Climate averages 1991–2020
Al Ḩayy weather
by month.
See how the year changes. August has the highest average daily maximum; July (tied with June) has the lowest average monthly rainfall.
Pleasant-weather months by our simple rule: FebruaryMarchNovemberDecember
Long-term climate patterns, not a forecast for a particular trip.
Across the year Al Ḩayy averages a daytime high of 32.6°C and a nighttime low of 19.9°C, with about 172 mm of rain on roughly 26 days. August is the warmest month (average high 46.1°C) and January the coolest (17.1°C). November (tied with January) is the wettest month with 32 mm; July (tied with June) is the driest with under 1 mm.
Months with pleasant weather by a simple rule (average high between 18°C and 29°C, average low of at least 5°C and at most 8 rain days): February, March, November and December. This looks at temperature and rain only, not humidity, wind, sea temperature or crowds.
The annual picture
A year in Al Ḩayy
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 | 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
Nearby cities
- Qal‘at SukkarIraq · 35 kmHigh 32.8°C · Low 19.9°C · 132 mm rain a year
- Al-KutIraq · 43 kmHigh 32.3°C · Low 19.5°C · 172 mm rain a year
- An Nu‘mānīyahIraq · 73 kmHigh 32.2°C · Low 19.1°C · 158 mm rain a year
- Ash ShaţrahIraq · 86 kmHigh 33.1°C · Low 19.9°C · 130 mm rain a year
- Al DiwaniyahIraq · 107 kmHigh 32.5°C · Low 19.2°C · 105 mm rain a year
- Al ‘AmārahIraq · 110 kmHigh 33.0°C · Low 19.9°C · 207 mm rain a year
- As SamawahIraq · 117 kmHigh 32.7°C · Low 19.2°C · 92 mm rain a year
- NasiriyahIraq · 126 kmHigh 33.3°C · Low 20.0°C · 116 mm rain a year
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 limitsWhat do the high and low temperatures mean?
We average the daily maximum and daily minimum for each calendar month over 1991–2020. They are not record extremes, a forecast range or temperatures at a fixed time of day.
How is a rain day counted?
A local calendar day (standard time, UTC+3, no daylight saving) with at least 1 mm of total precipitation counts as one rain day. We count these for each year and month, then average across 30 years. The average does not predict which days will be wet.
Where do the numbers come from?
ERA5-Land (temperature) and ERA5 (precipitation) reanalysis from the Copernicus Climate Change Service, read from the Open-Meteo open-data archive. Temperature comes from the 0.1° model cell at 32.20°, 46.00° (5 km from the city centre). Rain comes from the 0.25° cell at 32.25°, 46.00°. These are model estimates, not weather-station readings; coast, hills and city streets can differ.
Does this page show sunshine, humidity or sea temperature?
No. The data used here contain air temperature and precipitation only. Daylight hours are calculated from the city's latitude (sunrise to sunset), not measured sunshine.