Climate averages 1991–2020
Al Ḩayy weather
in May.
A very hot, very dry month: the 5th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a very hot month in Al Ḩayy: daytime highs average 39.0°C and nights cool to about 24.9°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 7.3 mm of rain on fewer than one day, which makes May a very dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 47 min on an average May day.
The nearest other city in this atlas is Qal‘at Sukkar (35 km away). In May its highs average 39.3°C, about as warm as Al Ḩayy, with 4.3 mm of rain.
Among the 59 cities listed in Iraq, Al Ḩayy ranks 12th of 59 for the warmest May highs and 36th of 59 for the driest May (rainfall, lowest first). The mean May high of those 59 cities is 35.2°C; Al Ḩayy is 3.8°C warmer than that mean.
From May to June, average highs rise by 4.8°C to 43.9°C, and monthly rainfall falls from 7.3 mm to under 1 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Al Ḩayy climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.1°C7.1°C | 7.1°C | 32 | 4.9 | 10.310 h |
| February | 20.1°C8.6°C | 8.6°C | 22 | 3.7 | 11.011 h |
| March | 25.8°C13.0°C | 13.0°C | 23 | 3.6 | 12.012 h |
| April | 32.3°C18.7°C | 18.7°C | 18 | 3.1 | 12.913 h |
| May, selected | 39.0°C24.9°C | 24.9°C | 7.3 | 0.9 | 13.814 h |
| June | 43.9°C29.8°C | 29.8°C | 0 | 0.0 | 14.214 h |
| July | 46.0°C32.2°C | 32.2°C | 0 | 0.0 | 14.014 h |
| August | 46.1°C31.9°C | 31.9°C | 0.1 | 0.0 | 13.313 h |
| September | 42.2°C27.8°C | 27.8°C | 0.4 | 0.2 | 12.412 h |
| October | 35.5°C22.0°C | 22.0°C | 6.4 | 1.3 | 11.411 h |
| November | 25.0°C14.0°C | 14.0°C | 32 | 3.5 | 10.511 h |
| December | 18.8°C8.9°C | 8.9°C | 31 | 4.8 | 10.110 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Qal‘at Sukkar in MayIraq · 35 kmHigh 39.3°C · Low 25.1°C · 4.3 mm rain
- Al-Kut in MayIraq · 43 kmHigh 38.6°C · Low 24.3°C · 7.4 mm rain
- An Nu‘mānīyah in MayIraq · 73 kmHigh 38.6°C · Low 24.1°C · 7.4 mm rain
- Ash Shaţrah in MayIraq · 86 kmHigh 39.6°C · Low 25.3°C · 3.6 mm rain
- Al Diwaniyah in MayIraq · 107 kmHigh 38.8°C · Low 24.5°C · 4.1 mm rain
- Al ‘Amārah in MayIraq · 110 kmHigh 39.6°C · Low 25.0°C · 5.9 mm rain
- As Samawah in MayIraq · 117 kmHigh 39.2°C · Low 24.9°C · 3.5 mm rain
- Nasiriyah in MayIraq · 126 kmHigh 39.8°C · Low 25.6°C · 2.9 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Al Ḩayy) is explained once on the Al Ḩayy year overview and on the Sources, method and limits page.