Climate averages 1991–2020
Khorramshahr weather
in August.
A very hot, very dry month: one of the warmest and one of the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a very hot month in Khorramshahr: daytime highs average 46.6°C and nights cool to about 31.6°C. By daytime temperature it is one of the warmest months of the year.
Rain is very rare: less than 1 mm falls in a typical August (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 13 h 15 min on an average August day.
The nearest other city in this atlas is Abadan (16 km away). In August its highs average 46.2°C, about as warm as Khorramshahr, with almost no rain (under 1 mm).
Among the 128 cities listed in Iran, Khorramshahr ranks joint 3rd of 128 for the warmest August highs and joint 17th of 128 for the driest August (rainfall, lowest first). The mean August high of those 128 cities is 35.2°C; Khorramshahr is 11.4°C warmer than that mean.
From August to September, average highs fall by 3.8°C to 42.8°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
Khorramshahr climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.1°C8.2°C | 8.2°C | 38 | 5.3 | 10.410 h |
| February | 21.1°C9.6°C | 9.6°C | 21 | 3.5 | 11.111 h |
| March | 26.5°C13.8°C | 13.8°C | 25 | 3.5 | 12.012 h |
| April | 33.4°C19.7°C | 19.7°C | 10 | 1.9 | 12.913 h |
| May | 40.5°C25.8°C | 25.8°C | 3.9 | 0.7 | 13.714 h |
| June | 45.2°C30.2°C | 30.2°C | 0.3 | 0.1 | 14.114 h |
| July | 46.6°C32.2°C | 32.2°C | 0.2 | 0.1 | 13.914 h |
| August, selected | 46.6°C31.6°C | 31.6°C | 0.2 | 0.1 | 13.213 h |
| September | 42.8°C27.5°C | 27.5°C | 0.3 | 0.1 | 12.412 h |
| October | 36.2°C22.2°C | 22.2°C | 5.7 | 0.7 | 11.511 h |
| November | 26.0°C15.1°C | 15.1°C | 41 | 3.8 | 10.611 h |
| December | 19.8°C9.9°C | 9.9°C | 37 | 4.9 | 10.210 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
- Abadan in AugustIran · 16 kmHigh 46.2°C · Low 31.4°C · 0.1 mm rain
- Abū al-Kahṣīb in AugustIraq · 29 kmHigh 46.6°C · Low 31.6°C · 0.4 mm rain
- Basrah in AugustIraq · 39 kmHigh 46.8°C · Low 31.7°C · 0.5 mm rain
- Az Zubayr in AugustIraq · 47 kmHigh 46.7°C · Low 31.5°C · 0.5 mm rain
- Umm Qaşr in AugustIraq · 52 kmHigh 46.3°C · Low 31.3°C · 0.1 mm rain
- Al Fāw in AugustIraq · 59 kmHigh 41.0°C · Low 32.3°C · 0 mm rain
- Bandar-e Emam Khomeyni in AugustIran · 88 kmHigh 41.4°C · Low 31.6°C · 0 mm rain
- Al Qurnah in AugustIraq · 96 kmHigh 46.9°C · Low 32.0°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 Khorramshahr) is explained once on the Khorramshahr year overview and on the Sources, method and limits page.