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Nasiriyah, Iraq climate
BWh Hot desert
Nasiriyah has a strongly seasonal tropical climate (Hot desert, Köppen BWh). The hottest month is July with an average daily high near 116°F, while the coldest is January averaging around 42°F at night. Precipitation totals about 5 inches a year and is strongly seasonal — January alone averages 1.1 inches while July barely receives 0.00 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Nasiriyah climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 65 | 70 | 81 | 92 | 105 | 113 | 116 | 117 | 110 | 98 | 79 | 68 |
| Avg temp (°F) | 53 | 57 | 67 | 78 | 90 | 98 | 102 | 102 | 95 | 84 | 68 | 57 |
| Avg low (°F) | 42 | 45 | 53 | 64 | 75 | 83 | 87 | 86 | 80 | 70 | 56 | 45 |
| Precipitation (in) | 1.1 | 0.6 | 0.7 | 0.5 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 1.0 | 0.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 65 | 70 | 81 | 92 | 105 | 113 |
| Avg temp (°F) | 53 | 57 | 67 | 78 | 90 | 98 |
| Avg low (°F) | 42 | 45 | 53 | 64 | 75 | 83 |
| Precipitation (in) | 1.1 | 0.6 | 0.7 | 0.5 | 0.1 | 0.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 116 | 117 | 110 | 98 | 79 | 68 |
| Avg temp (°F) | 102 | 102 | 95 | 84 | 68 | 57 |
| Avg low (°F) | 87 | 86 | 80 | 70 | 56 | 45 |
| Precipitation (in) | 0.0 | 0.0 | 0.0 | 0.2 | 1.0 | 0.8 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | — | — | 4 | 19 | 30 | 30 | 31 | 31 | 30 | 27 | 2 | — |
| Days with low ≤ 32°F (days) | 2 | 1 | — | — | — | — | — | — | — | — | — | 0.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | — | — | 4 | 19 | 30 | 30 |
| Days with low ≤ 32°F (days) | 2 | 1 | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | 31 | 31 | 30 | 27 | 2 | — |
| Days with low ≤ 32°F (days) | — | — | — | — | — | 0.8 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 41 | 40 | 43 | 48 | 39 | 21 | 18 | 14 | 19 | 32 | 40 | 41 |
| Relative humidity (%) | 56 | 49 | 37 | 30 | 20 | 13 | 12 | 13 | 15 | 24 | 41 | 54 |
| Wind speed (mph) | 5.7 | 6.1 | 6.3 | 6.5 | 7.0 | 9.4 | 9.7 | 8.5 | 7.2 | 5.7 | 5.5 | 5.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 41 | 40 | 43 | 48 | 39 | 21 |
| Relative humidity (%) | 56 | 49 | 37 | 30 | 20 | 13 |
| Wind speed (mph) | 5.7 | 6.1 | 6.3 | 6.5 | 7.0 | 9.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 18 | 14 | 19 | 32 | 40 | 41 |
| Relative humidity (%) | 12 | 13 | 15 | 24 | 41 | 54 |
| Wind speed (mph) | 9.7 | 8.5 | 7.2 | 5.7 | 5.5 | 5.6 |
Methodology & sources
Temperature & precipitation — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.