Climate averages 1991–2020
Hamadān weather
in April.
A mild, moderately wet month: the 7th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Hamadān: daytime highs average 17.6°C and nights cool to about 6.3°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 69 mm of rain on roughly 13 days, which makes April a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 02 min on an average April day.
The nearest other city in this atlas is Malāyer (62 km away). In April its highs average 16.9°C, 0.7°C cooler than Hamadān, with 57 mm of rain.
Among the 128 cities listed in Iran, Hamadān ranks joint 101st of 128 for the warmest April highs and 106th of 128 for the driest April (rainfall, lowest first). The mean April high of those 128 cities is 21.8°C; Hamadān is 4.2°C cooler than that mean.
From April to May, average highs rise by 6.1°C to 23.8°C, and monthly rainfall falls from 69 mm to 39 mm.
The annual picture
April 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, selected | 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 | 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
April in nearby cities
- Malāyer in AprilIran · 62 kmHigh 16.9°C · Low 5.0°C · 57 mm rain
- Nahāvand in AprilIran · 69 kmHigh 17.2°C · Low 5.8°C · 72 mm rain
- Qorveh in AprilIran · 76 kmHigh 15.8°C · Low 2.8°C · 47 mm rain
- Borūjerd in AprilIran · 103 kmHigh 17.9°C · Low 7.2°C · 84 mm rain
- Arāk in AprilIran · 134 kmHigh 18.4°C · Low 4.8°C · 43 mm rain
- Kermanshah in AprilIran · 143 kmHigh 18.9°C · Low 6.9°C · 77 mm rain
- Khorramabad in AprilIran · 147 kmHigh 20.6°C · Low 8.4°C · 79 mm rain
- Sanandaj in AprilIran · 149 kmHigh 17.5°C · Low 5.8°C · 62 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.