Climate averages 1991–2020
Arāk weather
in August.
A hot, very dry month: the 2nd warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Arāk: daytime highs average 33.2°C and nights cool to about 19.0°C. By daytime temperature it is the 2nd warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical August (the driest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 25 min on an average August day.
The nearest other city in this atlas is Khomeyn (62 km away). In August its highs average 34.1°C, 0.9°C warmer than Arāk, with almost no rain (under 1 mm).
Among the 128 cities listed in Iran, Arāk ranks joint 86th of 128 for the warmest August highs and joint 56th of 128 for the driest August (rainfall, lowest first). The mean August high of those 128 cities is 35.2°C; Arāk is 1.9°C cooler than that mean.
From August to September, average highs fall by 4.5°C to 28.8°C, and monthly rainfall rises from under 1 mm to 1.3 mm.
The annual picture
August 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 | 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, selected | 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
August in nearby cities
- Khomeyn in AugustIran · 62 kmHigh 34.1°C · Low 19.6°C · 0.5 mm rain
- Alīgūdarz in AugustIran · 77 kmHigh 31.5°C · Low 16.7°C · 0.4 mm rain
- Malāyer in AugustIran · 84 kmHigh 33.6°C · Low 18.7°C · 0.6 mm rain
- Dorūd in AugustIran · 89 kmHigh 35.6°C · Low 21.9°C · 0.2 mm rain
- Borūjerd in AugustIran · 90 kmHigh 35.2°C · Low 21.9°C · 0.7 mm rain
- Shahrak-e Pardīsān in AugustIran · 114 kmHigh 36.9°C · Low 23.8°C · 0.1 mm rain
- Sāveh in AugustIran · 119 kmHigh 36.5°C · Low 21.8°C · 0.5 mm rain
- Nahāvand in AugustIran · 122 kmHigh 34.4°C · Low 20.7°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 Arāk) is explained once on the Arāk year overview and on the Sources, method and limits page.