Do you need to know, when is the best time to go to Iraq? Then you should take a look here, what weather you can expect there during the year.
The climate of Iraq is mostly desert. You can expect mild or cool winters, and dry, hot, cloudless summers. In the northern mountainous regions along Iranian and Turkish borders you can expect cold winters with occasionally heavy snows, but they melt in early spring.
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Al Kosh, Al Diwaniyah, Al Jazira, Amedi, Babylon, Baghdad, Baghdad Belts, Basra, Choman, Dahuk, Erbil, Fallujah, Gundik, Halabja, Iraqi Desert, Iraqi Kurdistan, Karbala, Kirkuk, Koya, Lalish, Lower Mesopotamia, Mosul, Najaf, Nasiriyah, Ramadi, Raniya, Rawanduz, Samarra, Shaqlawa, Sinjar, Sulaymaniyah, Tal Afar, Tikrit, Zakho.
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 44.3 ℃ (111.74 ℉). The average minimum temperature in this month is 25.3 ℃ (77.54 ℉). The coldest month here is January, the average maximum temperature is 16 ℃ (60.8 ℉). The average minimum temperature in this month is 4.1 ℃ (39.38 ℉). The most rainy month here is March, the average number of rainy days is 8.1. The least rainy month here is June, the average number of rainy days is 0. 
When travelling to some places in Iraq, always consider the altitude of the the place as well. The highest point here is Cheekha Dar (Kurdish for "Black Tent") (3611 m) and the lowest point is Persian Gulf (0 m). So there are huge differences in altitudes in this country and the weather is very different in them therefore. 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.)
Typical (usual) weather in Iraq in January is this: The average highest temperature in Iraq in January is 16 ℃ (60.8 ℉). The average lowest temperature is 4.1 ℃ (39.38 ℉). At the beginning of January you can expect higher temperatures, the average highest temperature is around 16.5 ℃ (61.7 ℉). At the end of January you can expect higher temperatures, the average highest temperature is around 17.4 ℃ (63.32 ℉). The average number of rainy days in January is 7.9. The average rainfall is 27.3 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 9:58 (hours and minutes), in the middle of the month 10:11 and at the end of the month 10:32.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.Typical (usual) weather in Iraq in February is this: The average highest temperature in Iraq in February is 18.8 ℃ (65.84 ℉). The average lowest temperature is 5.6 ℃ (42.08 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around 17.4 ℃ (63.32 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around 21.25 ℃ (70.25 ℉). The average number of rainy days in February is 6.8. The average rainfall is 18.8 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 10:32 (hours and minutes), in the middle of the month 10:58 and at the end of the month 11:28.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.
Typical (usual) weather in Iraq in March is this: The average highest temperature in Iraq in March is 23.7 ℃ (74.66 ℉). The average lowest temperature is 9.6 ℃ (49.28 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 21.25 ℃ (70.25 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 26.65 ℃ (79.97 ℉). The average number of rainy days in March is 8.1. The average rainfall is 22.1 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 11:28 (hours and minutes), in the middle of the month 11:59 and at the end of the month 12:30.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, especially in mountains.
Typical (usual) weather in Iraq in April is this: The average highest temperature in Iraq in April is 29.6 ℃ (85.28 ℉). The average lowest temperature is 15.2 ℃ (59.36 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 26.65 ℃ (79.97 ℉). At the end of April you can expect higher temperatures, the average highest temperature is around 33.2 ℃ (91.76 ℉). The average number of rainy days in April is 6.1. The average rainfall is 15.5 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 12:30 (hours and minutes), in the middle of the month 13:00 and at the end of the month 13:28.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.Typical (usual) weather in Iraq in May is this: The average highest temperature in Iraq in May is 36.8 ℃ (98.24 ℉). The average lowest temperature is 20.4 ℃ (68.72 ℉). At the beginning of May you can expect lower temperatures, the average highest temperature is around 33.2 ℃ (91.76 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 38.7 ℃ (101.66 ℉). The average number of rainy days in May is 3.9. The average rainfall is 3.3 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 13:28 (hours and minutes), in the middle of the month 13:52 and at the end of the month 14:10.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.Typical (usual) weather in Iraq in June is this: The average highest temperature in Iraq in June is 40.6 ℃ (105.08 ℉). The average lowest temperature is 24.1 ℃ (75.38 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 38.7 ℃ (101.66 ℉). At the end of June you can expect higher temperatures, the average highest temperature is around 42.45 ℃ (108.41 ℉). 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 14:10 (hours and minutes), in the middle of the month 14:20 and at the end of the month 14:20.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.Typical (usual) weather in Iraq in July is this: The average highest temperature in Iraq in July is 44.3 ℃ (111.74 ℉). The average lowest temperature is 25.3 ℃ (77.54 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 42.45 ℃ (108.41 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 44.25 ℃ (111.65 ℉). 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 14:20 (hours and minutes), in the middle of the month 14:10 and at the end of the month 13:51.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, especially in mountains.Typical (usual) weather in Iraq in August is this: The average highest temperature in Iraq in August is 44.2 ℃ (111.56 ℉). The average lowest temperature is 25.3 ℃ (77.54 ℉). At the beginning of August you can expect higher temperatures, the average highest temperature is around 44.25 ℃ (111.65 ℉). At the end of August you can expect lower temperatures, the average highest temperature is around 42.15 ℃ (107.87 ℉). 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 13:51 (hours and minutes), in the middle of the month 13:27 and at the end of the month 12:59.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.Typical (usual) weather in Iraq in September is this: The average highest temperature in Iraq in September is 40.1 ℃ (104.18 ℉). The average lowest temperature is 21.4 ℃ (70.52 ℉). At the beginning of September you can expect higher temperatures, the average highest temperature is around 42.15 ℃ (107.87 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 37.1 ℃ (98.78 ℉). 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 12:59 (hours and minutes), in the middle of the month 12:29 and at the end of the month 11:59.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.Typical (usual) weather in Iraq in October is this: The average highest temperature in Iraq in October is 34.1 ℃ (93.38 ℉). The average lowest temperature is 16.3 ℃ (61.34 ℉). At the beginning of October you can expect higher temperatures, the average highest temperature is around 37.1 ℃ (98.78 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around 29.05 ℃ (84.29 ℉). The average number of rainy days in October is 4. The average rainfall is 3.3 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 11:59 (hours and minutes), in the middle of the month 11:28 and at the end of the month 10:59.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.Typical (usual) weather in Iraq in November is this: The average highest temperature in Iraq in November is 24 ℃ (75.2 ℉). The average lowest temperature is 9.2 ℃ (48.56 ℉). At the beginning of November you can expect higher temperatures, the average highest temperature is around 29.05 ℃ (84.29 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 20.5 ℃ (68.9 ℉). The average number of rainy days in November is 6. The average rainfall is 12.5 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 10:59 (hours and minutes), in the middle of the month 10:32 and at the end of the month 10:12.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.Typical (usual) weather in Iraq in December is this: The average highest temperature in Iraq in December is 17 ℃ (62.6 ℉). The average lowest temperature is 5.2 ℃ (41.36 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 20.5 ℃ (68.9 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around 16.5 ℃ (61.7 ℉). The average number of rainy days in December is 7.1. The average rainfall is 19.5 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 10:12 (hours and minutes), in the middle of the month 9:59 and at the end of the month 9:57.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.| Amarah | temperature: - | highest temperature: 19.1 ℃ (66.38 ℉) | lowest temperature: 8.1 ℃ (46.58 ℉) | rainfall: 36.4mm | rainy days: 6 |
| Baghdad | temperature: - | highest temperature: 17 ℃ (62.6 ℉) | lowest temperature: 5.2 ℃ (41.36 ℉) | rainfall: 19.5mm | rainy days: 7.1 |
| Karbala | temperature: - | highest temperature: 17.7 ℃ (63.86 ℉) | lowest temperature: 7 ℃ (44.6 ℉) | rainfall: 15mm | rainy days: 7 |
| Kirkuk | temperature: - | highest temperature: 15.9 ℃ (60.62 ℉) | lowest temperature: 6.5 ℃ (43.7 ℉) | rainfall: 59.6mm | rainy days: 10.2 |
| Mosul | temperature: - | highest temperature: 14.5 ℃ (58.1 ℉) | lowest temperature: 4 ℃ (39.2 ℉) | rainfall: 56.8mm | rainy days: 10.2 |
| Nasiriya | temperature: - | highest temperature: 18.8 ℃ (65.84 ℉) | lowest temperature: 7.9 ℃ (46.22 ℉) | rainfall: 22.3mm | rainy days: 6.1 |