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Usual weather in Saint Lucia

Do you need to know, when is the best time to go to Saint Lucia? 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 Saint Lucia

The climate of Saint Lucia is tropical, but weather is moderated by northeast winds. Dry season is from January to April, rainy season is from May to August. There are only little seasonal variation of temperature. More rainfall can be expected in the mountain rainforests.

When speaking about the usual weather in this state, the information is relevant for example for these popular places: Castries, Gros Islet, Marigot Bay, Soufriere.

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 January, the average maximum temperature is 0.2 ℃ (32.36 ℉). The average minimum temperature in this month is 0.2 ℃ (32.36 ℉). The coldest month here is January, the average maximum temperature is 0.2 ℃ (32.36 ℉). The average minimum temperature in this month is 0.2 ℃ (32.36 ℉). The most rainy month here is January, the average number of rainy days is 0. The least rainy month here is January, the average number of rainy days is 0.

When travelling to some places in Saint Lucia, always consider the altitude of the the place as well. The highest point here is Mount Gimie (948 m) and the lowest point is Caribbean Sea (0 m). So there are not big differences in altitudes in this country. But the altitude affects the weather even so. 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 Saint Lucia. 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 Saint Lucia in January is this: The average highest temperature in Saint Lucia in January is 0.2 ℃ (32.36 ℉). The average lowest temperature is 0.2 ℃ (32.36 ℉). At the beginning of January you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). At the end of January you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). The average number of rainy days in January is 0. The average rainfall is 0 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 11:18 (hours and minutes), in the middle of the month 11:23 and at the end of the month 11:30.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.

February

Typical (usual) weather in Saint Lucia in February is this: The average highest temperature in Saint Lucia in February is 0.2 ℃ (32.36 ℉). The average lowest temperature is 0.2 ℃ (32.36 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). At the end of February you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). The average number of rainy days in February is 0. The average rainfall is 0 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 11:30 (hours and minutes), in the middle of the month 11:40 and at the end of the month 11:51.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.

March

Typical (usual) weather in Saint Lucia in March is this: The average highest temperature in Saint Lucia in March is 0.2 ℃ (32.36 ℉). The average lowest temperature is 0.2 ℃ (32.36 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). At the end of March you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). The average number of rainy days in March is 0. The average rainfall is 0 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 11:51 (hours and minutes), in the middle of the month 12:03 and at the end of the month 12:15.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.

April

Typical (usual) weather in Saint Lucia in April is this: The average highest temperature in Saint Lucia in April is 0.2 ℃ (32.36 ℉). The average lowest temperature is 0.2 ℃ (32.36 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). At the end of April you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). The average number of rainy days in April is 0. The average rainfall is 0 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 12:15 (hours and minutes), in the middle of the month 12:26 and at the end of the month 12:37.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.

May

Typical (usual) weather in Saint Lucia in May is this: The average highest temperature in Saint Lucia in May is 0.2 ℃ (32.36 ℉). The average lowest temperature is 0.2 ℃ (32.36 ℉). At the beginning of May you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). At the end of May you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). The average number of rainy days in May is 0. The average rainfall is 0 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 12:37 (hours and minutes), in the middle of the month 12:46 and at the end of the month 12:53.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.

June

Typical (usual) weather in Saint Lucia in June is this: The average highest temperature in Saint Lucia in June is 0.2 ℃ (32.36 ℉). The average lowest temperature is 0.2 ℃ (32.36 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). At the end of June you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). The average number of rainy days in June is 0. The average rainfall is 0 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 12:53 (hours and minutes), in the middle of the month 12:56 and at the end of the month 12:56.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.

July

Typical (usual) weather in Saint Lucia in July is this: The average highest temperature in Saint Lucia in July is 0.2 ℃ (32.36 ℉). The average lowest temperature is 0.2 ℃ (32.36 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). The average number of rainy days in July is 0. The average rainfall is 0 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 12:56 (hours and minutes), in the middle of the month 12:52 and at the end of the month 12:46.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.

August

Typical (usual) weather in Saint Lucia in August is this: The average highest temperature in Saint Lucia in August is 0.2 ℃ (32.36 ℉). The average lowest temperature is 0.2 ℃ (32.36 ℉). At the beginning of August you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). At the end of August you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). The average number of rainy days in August is 0. The average rainfall is 0 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 12:46 (hours and minutes), in the middle of the month 12:36 and at the end of the month 12:26.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.

September

Typical (usual) weather in Saint Lucia in September is this: The average highest temperature in Saint Lucia in September is 0.2 ℃ (32.36 ℉). The average lowest temperature is 0.2 ℃ (32.36 ℉). At the beginning of September you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). The average number of rainy days in September is 0. The average rainfall is 0 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 12:26 (hours and minutes), in the middle of the month 12:15 and at the end of the month 12:03.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.

October

Typical (usual) weather in Saint Lucia in October is this: The average highest temperature in Saint Lucia in October is 0.2 ℃ (32.36 ℉). The average lowest temperature is 0.2 ℃ (32.36 ℉). At the beginning of October you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). The average number of rainy days in October is 0. The average rainfall is 0 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 12:03 (hours and minutes), in the middle of the month 11:51 and at the end of the month 11:40.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.

November

Typical (usual) weather in Saint Lucia in November is this: The average highest temperature in Saint Lucia in November is 0.2 ℃ (32.36 ℉). The average lowest temperature is 0.2 ℃ (32.36 ℉). At the beginning of November you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). The average number of rainy days in November is 0. The average rainfall is 0 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 11:40 (hours and minutes), in the middle of the month 11:31 and at the end of the month 11:23.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.

December

Typical (usual) weather in Saint Lucia in December is this: The average highest temperature in Saint Lucia in December is 0.2 ℃ (32.36 ℉). The average lowest temperature is 0.2 ℃ (32.36 ℉). At the beginning of December you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around 0.2 ℃ (32.36 ℉). The average number of rainy days in December is 0. The average rainfall is 0 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 11:23 (hours and minutes), in the middle of the month 11:18 and at the end of the month 11:18.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.

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

Castriestemperature: - highest temperature: 0.2 ℃ (32.36 ℉)lowest temperature: 0.2 ℃ (32.36 ℉)rainfall: 0mmrainy days: 0
Vieux Forttemperature: - highest temperature: 29.3 ℃ (84.74 ℉)lowest temperature: 23.6 ℃ (74.48 ℉)rainfall: 107.3mmrainy days: 17




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.