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Usual weather in Slovenia

Do you need to know, when is the best time to go to Slovenia? Then you should take a look here, what weather you can expect there during the year.

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What weather to expect in Slovenia

The climate of Slovenia is Mediterranean on the coast, but continental in the plateaus and valleys to the east. Sou you can expect mild weather in the west and mild to hot summers and cold winters in the east. You can also expect snow during winter in Slovenia Alps.

When speaking about the usual weather in this state, the information is relevant for example for these popular places: Bled, Bovec, Brežice, Celje, Central Slovenia, Cerklje na Gorenjskem, Coast and Karst, Divača, Dovje Mojstrana, Eastern Slovenia, Goričko Landscape Park, Grosuplje, Idrija, Inner Carniola, Izola, Julian Alps, Kamnik, Kobarid, Koper, Kranj, Kranjska Gora, Lendava, Lipica, Ljubljana, Luče, Maribor, Murska Sobota, Nova Gorica, Novo Mesto, Piran, Pohorje Savinjska, Portorož, Postojna, Ptuj, Sevnica, Sežana, Slovenj Gradec, Solčava, Southeastern Slovenia, Soča Valley, Srednja Dobrava, Tolmin, Trbovlje, Triglav National Park, Zagorje ob Savi, Škofja Loka.

Let's look now what weather you can expect in the area around the capital and in many other cities. The warmest month here is July, the average maximum temperature is 26.6 ℃ (79.88 ℉). The average minimum temperature in this month is 14.4 ℃ (57.92 ℉). The coldest month here is January, the average maximum temperature is 3.2 ℃ (37.76 ℉). The average minimum temperature in this month is -2.6 ℃ (27.32 ℉). The most rainy month here is June, the average number of rainy days is 16. The least rainy month here is February, the average number of rainy days is 10.

When travelling to some places in Slovenia, always consider the altitude of the the place as well. The highest point here is Triglav (2864 m) and the lowest point is Adriatic Sea (0 m). So there are quite big differences in altitudes in this country, so you can expect the weather to be different in different altitudes as well. Keep in mind, that the temperature usually decreases by 1.2 - 1.9 ℃ (2.2 - 3.5 ℉) per 200 m (656 ft), depending on the other conditions. (And we should add, that in the very special condition named thermal inversion even the temperature may be higher in higher altitudes.)

Please, keep in mind, that this is not a weather forecast, but the information about the usual weather (average). This should help you to decide, when is the best time to go to Slovenia. Read more details about the typical weather there in all individual months below:

January - February - March - April - May - June - July - August - September - October - November - December

January

Typical (usual) weather in Slovenia in January is this: The average highest temperature in Slovenia in January is 3.2 ℃ (37.76 ℉). The average lowest temperature is -2.6 ℃ (27.32 ℉). At the beginning of January you can expect higher temperatures, the average highest temperature is around 3.35 ℃ (38.03 ℉). At the end of January you can expect higher temperatures, the average highest temperature is around 4.8 ℃ (40.64 ℉). The average number of rainy days in January is 12. The average rainfall is 72.6 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 8:41 (hours and minutes), in the middle of the month 9:02 and at the end of the month 9:36.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.

February

Typical (usual) weather in Slovenia in February is this: The average highest temperature in Slovenia in February is 6.4 ℃ (43.52 ℉). The average lowest temperature is -1.7 ℃ (28.94 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around 4.8 ℃ (40.64 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around 9 ℃ (48.2 ℉). The average number of rainy days in February is 10. The average rainfall is 69.8 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 9:36 (hours and minutes), in the middle of the month 10:19 and at the end of the month 11:06.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.

March

Typical (usual) weather in Slovenia in March is this: The average highest temperature in Slovenia in March is 11.6 ℃ (52.88 ℉). The average lowest temperature is 1.6 ℃ (34.88 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 9 ℃ (48.2 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 13.6 ℃ (56.48 ℉). The average number of rainy days in March is 12.1. The average rainfall is 87.9 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:06 (hours and minutes), in the middle of the month 11:55 and at the end of the month 12:44.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.

April

Typical (usual) weather in Slovenia in April is this: The average highest temperature in Slovenia in April is 15.6 ℃ (60.08 ℉). The average lowest temperature is 5.2 ℃ (41.36 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 13.6 ℃ (56.48 ℉). At the end of April you can expect higher temperatures, the average highest temperature is around 18.05 ℃ (64.49 ℉). The average number of rainy days in April is 13.7. The average rainfall is 103.7 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:44 (hours and minutes), in the middle of the month 13:32 and at the end of the month 14:18.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.

May

Typical (usual) weather in Slovenia in May is this: The average highest temperature in Slovenia in May is 20.5 ℃ (68.9 ℉). The average lowest temperature is 9.4 ℃ (48.92 ℉). At the beginning of May you can expect lower temperatures, the average highest temperature is around 18.05 ℃ (64.49 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 22.25 ℃ (72.05 ℉). The average number of rainy days in May is 15.1. The average rainfall is 111.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 14:18 (hours and minutes), in the middle of the month 14:57 and at the end of the month 15:27.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.

June

Typical (usual) weather in Slovenia in June is this: The average highest temperature in Slovenia in June is 24 ℃ (75.2 ℉). The average lowest temperature is 12.9 ℃ (55.22 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 22.25 ℃ (72.05 ℉). At the end of June you can expect higher temperatures, the average highest temperature is around 25.3 ℃ (77.54 ℉). The average number of rainy days in June is 16. The average rainfall is 150.5 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 15:27 (hours and minutes), in the middle of the month 15:44 and at the end of the month 15:43.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.

July

Typical (usual) weather in Slovenia in July is this: The average highest temperature in Slovenia in July is 26.6 ℃ (79.88 ℉). The average lowest temperature is 14.4 ℃ (57.92 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 25.3 ℃ (77.54 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 26.4 ℃ (79.52 ℉). The average number of rainy days in July is 12.8. The average rainfall is 115 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 15:43 (hours and minutes), in the middle of the month 15:26 and at the end of the month 14:55.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.

August

Typical (usual) weather in Slovenia in August is this: The average highest temperature in Slovenia in August is 26.2 ℃ (79.16 ℉). The average lowest temperature is 14.9 ℃ (58.82 ℉). At the beginning of August you can expect higher temperatures, the average highest temperature is around 26.4 ℃ (79.52 ℉). At the end of August you can expect lower temperatures, the average highest temperature is around 23.75 ℃ (74.75 ℉). The average number of rainy days in August is 12.1. The average rainfall is 134.9 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 14:55 (hours and minutes), in the middle of the month 14:16 and at the end of the month 13:31.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.

September

Typical (usual) weather in Slovenia in September is this: The average highest temperature in Slovenia in September is 21.3 ℃ (70.34 ℉). The average lowest temperature is 11 ℃ (51.8 ℉). At the beginning of September you can expect higher temperatures, the average highest temperature is around 23.75 ℃ (74.75 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 18.5 ℃ (65.3 ℉). The average number of rainy days in September is 12.3. The average rainfall is 134.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 13:31 (hours and minutes), in the middle of the month 12:43 and at the end of the month 11:55.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.

October

Typical (usual) weather in Slovenia in October is this: The average highest temperature in Slovenia in October is 15.7 ℃ (60.26 ℉). The average lowest temperature is 6.8 ℃ (44.24 ℉). At the beginning of October you can expect higher temperatures, the average highest temperature is around 18.5 ℃ (65.3 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around 11.85 ℃ (53.33 ℉). The average number of rainy days in October is 12.9. The average rainfall is 150.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:55 (hours and minutes), in the middle of the month 11:07 and at the end of the month 10:20.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.

November

Typical (usual) weather in Slovenia in November is this: The average highest temperature in Slovenia in November is 8 ℃ (46.4 ℉). The average lowest temperature is 1.9 ℃ (35.42 ℉). At the beginning of November you can expect higher temperatures, the average highest temperature is around 11.85 ℃ (53.33 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 5.75 ℃ (42.35 ℉). The average number of rainy days in November is 13.8. The average rainfall is 137.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 10:20 (hours and minutes), in the middle of the month 9:38 and at the end of the month 9:03.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.

December

Typical (usual) weather in Slovenia in December is this: The average highest temperature in Slovenia in December is 3.5 ℃ (38.3 ℉). The average lowest temperature is -1.5 ℃ (29.3 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 5.75 ℃ (42.35 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around 3.35 ℃ (38.03 ℉). The average number of rainy days in December is 12.7. The average rainfall is 103.6 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 9:03 (hours and minutes), in the middle of the month 8:42 and at the end of the month 8:38.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.

Below are average values, so you can consider them typical weather in Slovenia in these places. The sign '-' means we don't have enough data for this item.

Ljubljanatemperature: - highest temperature: 3.5 ℃ (38.3 ℉)lowest temperature: -1.5 ℃ (29.3 ℉)rainfall: 103.6mmrainy days: 12.7
Maribortemperature: - highest temperature: 4.7 ℃ (40.46 ℉)lowest temperature: -2 ℃ (28.4 ℉)rainfall: 66.3mmrainy days: 10.8
Novo Mestotemperature: - highest temperature: 4.4 ℃ (39.92 ℉)lowest temperature: -2 ℃ (28.4 ℉)rainfall: 80mmrainy days: 12.7
Portoroztemperature: - highest temperature: 9.9 ℃ (49.82 ℉)lowest temperature: 1.6 ℃ (34.88 ℉)rainfall: 75.5mmrainy days: 9.8
Ratecetemperature: - highest temperature: 1.7 ℃ (35.06 ℉)lowest temperature: -6.4 ℃ (20.48 ℉)rainfall: 94.1mmrainy days: 10.1




When you read about the number of mm of rainfall, you should know this: Light rain is when the precipitation rate is less than 2.5 mm (0.1 in) per hour. For moderate rain this number is between 2.5 mm and 10 mm (0.4 in), for heavy rain it is 10 mm - 50 mm (2.0 in). Violent rain has this number higher than 50 mm per hour.