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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 47°C, while the coldest is January averaging around 5°C at night. Precipitation totals about 128 mm a year and is strongly seasonal — January alone averages 27 mm while July barely receives 0 mm.
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 (°C) | 18 | 21 | 27 | 34 | 40 | 45 | 47 | 47 | 43 | 37 | 26 | 20 |
| Avg temp (°C) | 12 | 14 | 19 | 26 | 32 | 37 | 39 | 39 | 35 | 29 | 20 | 14 |
| Avg low (°C) | 5 | 7 | 12 | 18 | 24 | 28 | 30 | 30 | 26 | 21 | 13 | 7 |
| Precipitation (mm) | 27 | 16 | 17 | 12 | 4 | 0 | 0 | 0 | 0 | 6 | 25 | 21 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 18 | 21 | 27 | 34 | 40 | 45 |
| Avg temp (°C) | 12 | 14 | 19 | 26 | 32 | 37 |
| Avg low (°C) | 5 | 7 | 12 | 18 | 24 | 28 |
| Precipitation (mm) | 27 | 16 | 17 | 12 | 4 | 0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 47 | 47 | 43 | 37 | 26 | 20 |
| Avg temp (°C) | 39 | 39 | 35 | 29 | 20 | 14 |
| Avg low (°C) | 30 | 30 | 26 | 21 | 13 | 7 |
| Precipitation (mm) | 0 | 0 | 0 | 6 | 25 | 21 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | — | — | 4 | 19 | 30 | 30 | 31 | 31 | 30 | 27 | 2 | — |
| Days with low ≤ 0°C (days) | 2 | 1 | — | — | — | — | — | — | — | — | — | 0.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | — | — | 4 | 19 | 30 | 30 |
| Days with low ≤ 0°C (days) | 2 | 1 | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 31 | 31 | 30 | 27 | 2 | — |
| Days with low ≤ 0°C (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 (km/h) | 9.1 | 9.8 | 10.1 | 10.4 | 11.2 | 15.0 | 15.6 | 13.8 | 11.6 | 9.2 | 8.9 | 9.0 |
| 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 (km/h) | 9.1 | 9.8 | 10.1 | 10.4 | 11.2 | 15.0 |
| 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 (km/h) | 15.6 | 13.8 | 11.6 | 9.2 | 8.9 | 9.0 |
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.