Climate averages 1991–2020
Chālūs weather
in July.
A warm, moderately wet month: the 2nd warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Chālūs: daytime highs average 26.2°C and nights cool to about 23.0°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 59 mm of rain on roughly 11 days, which makes July a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 24 min on an average July day.
The nearest other city in this atlas is Āmol (86 km away). In July its highs average 26.6°C, about as warm as Chālūs, with 77 mm of rain.
Among the 128 cities listed in Iran, Chālūs ranks joint 126th of 128 for the warmest July highs and 125th of 128 for the driest July (rainfall, lowest first). The mean July high of those 128 cities is 35.7°C; Chālūs is 9.5°C cooler than that mean.
From July to August, average highs rise by 0.7°C to 26.9°C, and monthly rainfall rises from 59 mm to 60 mm.
The annual picture
July 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
Chālūs climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.6°C7.1°C | 7.1°C | 142 | 15.3 | 10.010 h |
| February | 10.4°C6.5°C | 6.5°C | 125 | 14.4 | 10.811 h |
| March | 12.8°C8.3°C | 8.3°C | 100 | 14.1 | 11.912 h |
| April | 16.6°C11.8°C | 11.8°C | 68 | 11.4 | 13.113 h |
| May | 20.9°C16.7°C | 16.7°C | 48 | 10.0 | 14.114 h |
| June | 24.3°C20.8°C | 20.8°C | 49 | 8.9 | 14.615 h |
| July, selected | 26.2°C23.0°C | 23.0°C | 59 | 10.8 | 14.414 h |
| August | 26.9°C23.7°C | 23.7°C | 60 | 11.3 | 13.614 h |
| September | 24.2°C21.1°C | 21.1°C | 148 | 14.6 | 12.412 h |
| October | 21.0°C17.6°C | 17.6°C | 205 | 15.4 | 11.311 h |
| November | 16.0°C12.7°C | 12.7°C | 218 | 15.8 | 10.310 h |
| December | 12.6°C9.2°C | 9.2°C | 156 | 14.6 | 9.710 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
July in nearby cities
- Āmol in JulyIran · 86 kmHigh 26.6°C · Low 21.1°C · 77 mm rain
- Tajrīsh in JulyIran · 95 kmHigh 32.3°C · Low 23.0°C · 4.6 mm rain
- Mehestan in JulyIran · 96 kmHigh 32.9°C · Low 20.3°C · 2.3 mm rain
- Karaj in JulyIran · 99 kmHigh 34.9°C · Low 20.8°C · 1.4 mm rain
- Kamālshahr in JulyIran · 101 kmHigh 34.8°C · Low 21.9°C · 1.7 mm rain
- Naz̧arābād in JulyIran · 107 kmHigh 34.8°C · Low 21.1°C · 2.9 mm rain
- Tehran in JulyIran · 107 kmHigh 35.6°C · Low 24.5°C · 4.6 mm rain
- Pardīs in JulyIran · 107 kmHigh 30.4°C · Low 20.5°C · 5.2 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 Chālūs) is explained once on the Chālūs year overview and on the Sources, method and limits page.