Climate averages 1991–2020
Arāk 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 Arāk: daytime highs average 18.4°C and nights cool to about 4.8°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 43 mm of rain on roughly 9 days, which makes April a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 01 min on an average April day.
The nearest other city in this atlas is Khomeyn (62 km away). In April its highs average 19.0°C, 0.6°C warmer than Arāk, with 37 mm of rain.
Among the 128 cities listed in Iran, Arāk ranks joint 89th of 128 for the warmest April highs and joint 61st of 128 for the driest April (rainfall, lowest first). The mean April high of those 128 cities is 21.8°C; Arāk is 3.4°C cooler than that mean.
From April to May, average highs rise by 5.9°C to 24.3°C, and monthly rainfall falls from 43 mm to 24 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
Arāk climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.1°C-6.3°C | -6.3°C | 32 | 6.6 | 10.210 h |
| February | 7.6°C-4.7°C | -4.7°C | 33 | 6.5 | 10.911 h |
| March | 12.7°C-0.6°C | -0.6°C | 49 | 8.1 | 12.012 h |
| April, selected | 18.4°C4.8°C | 4.8°C | 43 | 8.9 | 13.013 h |
| May | 24.3°C10.1°C | 10.1°C | 24 | 6.3 | 13.914 h |
| June | 30.8°C16.0°C | 16.0°C | 4.1 | 1.0 | 14.414 h |
| July | 34.0°C19.9°C | 19.9°C | 1.3 | 0.4 | 14.214 h |
| August | 33.2°C19.0°C | 19.0°C | 0.8 | 0.2 | 13.413 h |
| September | 28.8°C14.1°C | 14.1°C | 1.3 | 0.4 | 12.412 h |
| October | 21.7°C8.1°C | 8.1°C | 14 | 3.7 | 11.411 h |
| November | 13.2°C1.6°C | 1.6°C | 30 | 6.2 | 10.410 h |
| December | 8.3°C-3.1°C | -3.1°C | 31 | 6.2 | 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
- Khomeyn in AprilIran · 62 kmHigh 19.0°C · Low 5.3°C · 37 mm rain
- Alīgūdarz in AprilIran · 77 kmHigh 15.2°C · Low 2.0°C · 39 mm rain
- Malāyer in AprilIran · 84 kmHigh 16.9°C · Low 5.0°C · 57 mm rain
- Dorūd in AprilIran · 89 kmHigh 18.7°C · Low 8.0°C · 87 mm rain
- Borūjerd in AprilIran · 90 kmHigh 17.9°C · Low 7.2°C · 84 mm rain
- Shahrak-e Pardīsān in AprilIran · 114 kmHigh 24.3°C · Low 11.5°C · 23 mm rain
- Sāveh in AprilIran · 119 kmHigh 23.6°C · Low 10.1°C · 32 mm rain
- Nahāvand in AprilIran · 122 kmHigh 17.2°C · Low 5.8°C · 72 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 Arāk) is explained once on the Arāk year overview and on the Sources, method and limits page.