Chalus climate by month
What the weather is like
Chalus has a hot-summer Mediterranean climate (Köppen Csa): dry, sunny summers and mild, wetter winters.
The warmest month is August, when afternoons average 27° and nights 23°. February is the coolest month, with highs of 11° and lows of 6°. The difference between the warmest and the coolest month is about 17°.
About 1,057 mm of precipitation falls in an average year. November is the wettest month (154 mm, 12 wet days) and June the driest (38 mm, 4 wet days). Cloud cover ranges from 26% in July to 45% in February.
The sea reaches about 28° in August. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Tehran, the capital, Chalus is 7.5° cooler on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 27° · August
- Coldest nights
- 6° · February
- Wettest month
- November
- Driest month
- June
- Clearest skies
- July · 26% cloud
- Warmest sea
- 28° · August
- Longest day
- 14 h 39 min
- Shortest day
- 9 h 40 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 11° | 11° | 13° | 17° | 21° | 24° | 26° | 27° | 25° | 21° | 17° | 13° |
| Average low | 6° | 6° | 8° | 12° | 16° | 20° | 23° | 23° | 21° | 17° | 13° | 9° |
| Precipitation | 90 mm | 80 mm | 77 mm | 52 mm | 42 mm | 38 mm | 34 mm | 52 mm | 130 mm | 189 mm | 154 mm | 119 mm |
| Wet days (≥1 mm) | 10.4 | 9.8 | 9.2 | 7.1 | 4.1 | 3.6 | 5.2 | 6.1 | 8.8 | 10.5 | 12.2 | 9.9 |
| Cloud cover | 44% | 45% | 43% | 40% | 34% | 27% | 26% | 28% | 32% | 38% | 41% | 42% |
| Sea temperature | 12° | 11° | 11° | 14° | 19° | 24° | 27° | 28° | 26° | 23° | 19° | 15° |
| Daylight | 9h 55 | 10h 51 | 11h 55 | 13h 07 | 14h 06 | 14h 39 | 14h 26 | 13h 35 | 12h 27 | 11h 18 | 10h 14 | 9h 40 |
| Month score | 32 | 32 | 45 | 75 | 89 | 92 | 82 | 78 | 78 | 72 | 62 | 46 |