Climate averages 1991–2020
Ahvaz weather
in May.
A very hot, very dry month: the 5th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a very hot month in Ahvaz: daytime highs average 40.2°C and nights cool to about 24.7°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 5.3 mm of rain on fewer than one day, which makes May a very dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 44 min on an average May day.
The nearest other city in this atlas is Shūshtar (83 km away). In May its highs average 38.9°C, 1.3°C cooler than Ahvaz, with 5.3 mm of rain.
Among the 128 cities listed in Iran, Ahvaz ranks joint 2nd of 128 for the warmest May highs and joint 26th of 128 for the driest May (rainfall, lowest first). The mean May high of those 128 cities is 27.8°C; Ahvaz is 12.4°C warmer than that mean.
From May to June, average highs rise by 5.2°C to 45.4°C, and monthly rainfall falls from 5.3 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
Ahvaz climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.5°C7.7°C | 7.7°C | 59 | 7.0 | 10.410 h |
| February | 20.2°C8.9°C | 8.9°C | 36 | 5.0 | 11.111 h |
| March | 25.8°C12.8°C | 12.8°C | 40 | 4.6 | 12.012 h |
| April | 32.7°C18.5°C | 18.5°C | 21 | 2.9 | 12.913 h |
| May, selected | 40.2°C24.7°C | 24.7°C | 5.3 | 0.9 | 13.714 h |
| June | 45.4°C29.1°C | 29.1°C | 0.2 | 0.1 | 14.114 h |
| July | 47.2°C31.5°C | 31.5°C | 0.4 | 0.2 | 14.014 h |
| August | 47.0°C30.9°C | 30.9°C | 0.7 | 0.3 | 13.313 h |
| September | 42.9°C26.8°C | 26.8°C | 0.9 | 0.4 | 12.412 h |
| October | 36.2°C21.8°C | 21.8°C | 7.6 | 1.6 | 11.411 h |
| November | 25.8°C14.6°C | 14.6°C | 65 | 4.6 | 10.611 h |
| December | 19.1°C9.4°C | 9.4°C | 73 | 6.6 | 10.210 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
- Shūshtar in MayIran · 83 kmHigh 38.9°C · Low 22.1°C · 5.3 mm rain
- Rāmhormoz in MayIran · 87 kmHigh 38.3°C · Low 22.8°C · 3.2 mm rain
- Masjed Soleymān in MayIran · 90 kmHigh 37.5°C · Low 21.2°C · 6.7 mm rain
- Bandar-e Māhshahr in MayIran · 97 kmHigh 40.1°C · Low 25.0°C · 4.0 mm rain
- Shūsh in MayIran · 106 kmHigh 38.7°C · Low 23.0°C · 9.4 mm rain
- Bandar-e Emam Khomeyni in MayIran · 106 kmHigh 36.5°C · Low 26.4°C · 3.2 mm rain
- Khorramshahr in MayIran · 109 kmHigh 40.5°C · Low 25.8°C · 3.9 mm rain
- Abadan in MayIran · 115 kmHigh 40.2°C · Low 25.7°C · 3.1 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 Ahvaz) is explained once on the Ahvaz year overview and on the Sources, method and limits page.