Climate averages 1991–2020
Isfahan weather
in August.
A very 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 very hot month in Isfahan: daytime highs average 35.5°C and nights cool to about 20.4°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 21 min on an average August day.
The nearest other city in this atlas is Khomeynī Shahr (13 km away). In August its highs average 35.6°C, about as warm as Isfahan, with almost no rain (under 1 mm).
Among the 128 cities listed in Iran, Isfahan ranks 49th of 128 for the warmest August highs and joint 1st of 128 for the driest August (rainfall, lowest first). The mean August high of those 128 cities is 35.2°C; Isfahan is 0.3°C warmer than that mean.
From August to September, average highs fall by 4.2°C to 31.3°C, and monthly rainfall stays under 1 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
Isfahan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.4°C-3.4°C | -3.4°C | 15 | 3.2 | 10.310 h |
| February | 12.1°C-1.6°C | -1.6°C | 12 | 2.8 | 11.011 h |
| March | 17.3°C2.3°C | 2.3°C | 15 | 3.4 | 12.012 h |
| April | 23.2°C8.2°C | 8.2°C | 9.8 | 3.0 | 13.013 h |
| May | 28.8°C13.5°C | 13.5°C | 7.1 | 1.9 | 13.814 h |
| June | 34.4°C18.6°C | 18.6°C | 0.8 | 0.3 | 14.314 h |
| July | 36.9°C21.8°C | 21.8°C | 0.2 | 0.1 | 14.114 h |
| August, selected | 35.5°C20.4°C | 20.4°C | 0 | 0.0 | 13.413 h |
| September | 31.3°C15.5°C | 15.5°C | 0.2 | 0.1 | 12.412 h |
| October | 24.4°C9.6°C | 9.6°C | 2.6 | 0.7 | 11.411 h |
| November | 15.7°C3.0°C | 3.0°C | 15 | 2.5 | 10.511 h |
| December | 10.2°C-1.5°C | -1.5°C | 12 | 3.0 | 10.010 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
- Khomeynī Shahr in AugustIran · 13 kmHigh 35.6°C · Low 20.4°C · 0.1 mm rain
- Bahārestān in AugustIran · 20 kmHigh 35.7°C · Low 20.8°C · 0 mm rain
- Shāhīn Shahr in AugustIran · 26 kmHigh 34.8°C · Low 19.3°C · 0.1 mm rain
- Najafābād in AugustIran · 29 kmHigh 35.4°C · Low 20.5°C · 0.2 mm rain
- Fūlād Shahr in AugustIran · 32 kmHigh 35.1°C · Low 20.4°C · 0.1 mm rain
- Shahreẕā in AugustIran · 74 kmHigh 33.2°C · Low 19.6°C · 0.2 mm rain
- Shahr-e Kord in AugustIran · 85 kmHigh 31.1°C · Low 17.5°C · 0.4 mm rain
- Kashan in AugustIran · 150 kmHigh 36.8°C · Low 24.7°C · 0.2 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 Isfahan) is explained once on the Isfahan year overview and on the Sources, method and limits page.