Climate averages 1991–2020
Hamadān weather
in July.
A very hot, very dry month: the warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a very hot month in Hamadān: daytime highs average 34.9°C and nights cool to about 20.9°C. By daytime temperature it is the warmest month of the year.
Expect about 1.6 mm of rain on fewer than one day, which makes July a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 15 min on an average July day.
The nearest other city in this atlas is Malāyer (62 km away). In July its highs average 34.1°C, 0.8°C cooler than Hamadān, with 1.0 mm of rain.
Among the 128 cities listed in Iran, Hamadān ranks joint 70th of 128 for the warmest July highs and 75th of 128 for the driest July (rainfall, lowest first). The mean July high of those 128 cities is 35.7°C; Hamadān is 0.8°C cooler than that mean.
From July to August, average highs fall by 0.5°C to 34.4°C, and monthly rainfall falls from 1.6 mm to 1.4 mm.
The annual picture
July 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
Hamadān climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.6°C-4.6°C | -4.6°C | 48 | 9.0 | 10.110 h |
| February | 5.5°C-3.3°C | -3.3°C | 55 | 9.8 | 10.911 h |
| March | 11.4°C1.1°C | 1.1°C | 77 | 12.0 | 11.912 h |
| April | 17.6°C6.3°C | 6.3°C | 69 | 13.2 | 13.013 h |
| May | 23.8°C11.9°C | 11.9°C | 39 | 9.3 | 14.014 h |
| June | 30.9°C17.5°C | 17.5°C | 4.9 | 1.5 | 14.414 h |
| July, selected | 34.9°C20.9°C | 20.9°C | 1.6 | 0.5 | 14.214 h |
| August | 34.4°C20.8°C | 20.8°C | 1.4 | 0.6 | 13.513 h |
| September | 29.4°C16.6°C | 16.6°C | 2.0 | 0.7 | 12.412 h |
| October | 21.9°C10.6°C | 10.6°C | 26 | 5.8 | 11.311 h |
| November | 12.8°C3.5°C | 3.5°C | 49 | 8.2 | 10.410 h |
| December | 7.0°C-1.3°C | -1.3°C | 48 | 7.8 | 9.910 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
July in nearby cities
- Malāyer in JulyIran · 62 kmHigh 34.1°C · Low 19.4°C · 1.0 mm rain
- Nahāvand in JulyIran · 69 kmHigh 34.6°C · Low 21.1°C · 0.7 mm rain
- Qorveh in JulyIran · 76 kmHigh 33.2°C · Low 16.7°C · 1.2 mm rain
- Borūjerd in JulyIran · 103 kmHigh 35.4°C · Low 22.3°C · 1.1 mm rain
- Arāk in JulyIran · 134 kmHigh 34.0°C · Low 19.9°C · 1.3 mm rain
- Kermanshah in JulyIran · 143 kmHigh 36.4°C · Low 21.1°C · 0.3 mm rain
- Khorramabad in JulyIran · 147 kmHigh 38.2°C · Low 21.9°C · 0.3 mm rain
- Sanandaj in JulyIran · 149 kmHigh 35.2°C · Low 18.6°C · 0.5 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 Hamadān) is explained once on the Hamadān year overview and on the Sources, method and limits page.