Climate averages 1991–2020
Dezful 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 Dezful: daytime highs average 37.7°C and nights cool to about 21.2°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 9.4 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 48 min on an average May day.
The nearest other city in this atlas is Andīmeshk (10 km away). In May its highs average 37.1°C, 0.6°C cooler than Dezful, with 9.8 mm of rain.
Among the 128 cities listed in Iran, Dezful ranks 14th of 128 for the warmest May highs and joint 41st of 128 for the driest May (rainfall, lowest first). The mean May high of those 128 cities is 27.8°C; Dezful is 9.9°C warmer than that mean.
From May to June, average highs rise by 6.3°C to 44.0°C, and monthly rainfall falls from 9.4 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
Dezful climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 16.2°C5.9°C | 5.9°C | 133 | 10.1 | 10.310 h |
| February | 18.3°C6.9°C | 6.9°C | 94 | 8.0 | 11.011 h |
| March | 23.0°C10.4°C | 10.4°C | 113 | 7.3 | 12.012 h |
| April | 29.6°C15.5°C | 15.5°C | 70 | 5.1 | 13.013 h |
| May, selected | 37.7°C21.2°C | 21.2°C | 9.4 | 1.6 | 13.814 h |
| June | 44.0°C26.0°C | 26.0°C | 0.2 | 0.0 | 14.214 h |
| July | 46.2°C29.1°C | 29.1°C | 0.2 | 0.0 | 14.114 h |
| August | 46.0°C29.0°C | 29.0°C | 0.2 | 0.0 | 13.313 h |
| September | 41.7°C24.7°C | 24.7°C | 1.1 | 0.3 | 12.412 h |
| October | 34.7°C19.8°C | 19.8°C | 22 | 1.8 | 11.411 h |
| November | 24.2°C12.8°C | 12.8°C | 89 | 6.1 | 10.511 h |
| December | 18.2°C7.9°C | 7.9°C | 135 | 8.2 | 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
- Andīmeshk in MayIran · 10 kmHigh 37.1°C · Low 21.0°C · 9.8 mm rain
- Shūsh in MayIran · 26 kmHigh 38.7°C · Low 23.0°C · 9.4 mm rain
- Shūshtar in MayIran · 56 kmHigh 38.9°C · Low 22.1°C · 5.3 mm rain
- Masjed Soleymān in MayIran · 98 kmHigh 37.5°C · Low 21.2°C · 6.7 mm rain
- Ahvaz in MayIran · 121 kmHigh 40.2°C · Low 24.7°C · 5.3 mm rain
- Khorramabad in MayIran · 123 kmHigh 27.1°C · Low 13.4°C · 22 mm rain
- Al ‘Amārah in MayIraq · 133 kmHigh 39.6°C · Low 25.0°C · 5.9 mm rain
- Dorūd in MayIran · 138 kmHigh 25.2°C · Low 13.9°C · 24 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 Dezful) is explained once on the Dezful year overview and on the Sources, method and limits page.