Climate averages 1991–2020
Īz̄eh weather
in May.
A 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 hot month in Īz̄eh: daytime highs average 31.1°C and nights cool to about 16.5°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 8.4 mm of rain on roughly 2 days, which makes May a very dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 46 min on an average May day.
The nearest other city in this atlas is Masjed Soleymān (55 km away). In May its highs average 37.5°C, 6.4°C warmer than Īz̄eh, with 6.7 mm of rain.
Among the 128 cities listed in Iran, Īz̄eh ranks 27th of 128 for the warmest May highs and 37th of 128 for the driest May (rainfall, lowest first). The mean May high of those 128 cities is 27.8°C; Īz̄eh is 3.3°C warmer than that mean.
From May to June, average highs rise by 6.2°C to 37.3°C, and monthly rainfall falls from 8.4 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
Īz̄eh climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 12.1°C1.0°C | 1.0°C | 148 | 12.3 | 10.310 h |
| February | 13.9°C2.3°C | 2.3°C | 116 | 10.6 | 11.011 h |
| March | 18.1°C5.8°C | 5.8°C | 129 | 8.8 | 12.012 h |
| April | 23.9°C11.1°C | 11.1°C | 70 | 6.2 | 12.913 h |
| May, selected | 31.1°C16.5°C | 16.5°C | 8.4 | 1.6 | 13.814 h |
| June | 37.3°C21.2°C | 21.2°C | 0.1 | 0.0 | 14.214 h |
| July | 39.7°C25.0°C | 25.0°C | 0.1 | 0.0 | 14.014 h |
| August | 39.7°C24.6°C | 24.6°C | 0.3 | 0.1 | 13.313 h |
| September | 35.8°C20.1°C | 20.1°C | 0.4 | 0.1 | 12.412 h |
| October | 29.3°C15.1°C | 15.1°C | 13 | 1.7 | 11.411 h |
| November | 20.2°C8.9°C | 8.9°C | 101 | 7.2 | 10.611 h |
| December | 15.0°C3.6°C | 3.6°C | 141 | 9.7 | 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
- Masjed Soleymān in MayIran · 55 kmHigh 37.5°C · Low 21.2°C · 6.7 mm rain
- Rāmhormoz in MayIran · 66 kmHigh 38.3°C · Low 22.8°C · 3.2 mm rain
- Shūshtar in MayIran · 99 kmHigh 38.9°C · Low 22.1°C · 5.3 mm rain
- Shahr-e Kord in MayIran · 108 kmHigh 23.1°C · Low 8.3°C · 13 mm rain
- Ahvaz in MayIran · 126 kmHigh 40.2°C · Low 24.7°C · 5.3 mm rain
- Behbahān in MayIran · 142 kmHigh 37.8°C · Low 20.8°C · 5.9 mm rain
- Dezful in MayIran · 151 kmHigh 37.7°C · Low 21.2°C · 9.4 mm rain
- Bandar-e Māhshahr in MayIran · 156 kmHigh 40.1°C · Low 25.0°C · 4.0 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 Īz̄eh) is explained once on the Īz̄eh year overview and on the Sources, method and limits page.