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Sur climate by month
What the weather is like
Sur has a hot desert climate (Köppen BWh): very little rain and intense sun.
The warmest month is June, when afternoons average 36° and nights 30°. January is the coolest month, with highs of 23° and lows of 19°. The difference between the warmest and the coolest month is about 12°.
About 80 mm of precipitation falls in an average year. January is the wettest month (9 mm, 3 wet days) and September the driest (0 mm, 0 wet days). Cloud cover ranges from 3% in October to 21% in July.
The sea reaches about 30° in June. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Muscat, the capital, Sur is 2.1° cooler on a June afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 36° · June
- Coldest nights
- 19° · January
- Wettest month
- January
- Driest month
- September
- Clearest skies
- October · 3% cloud
- Warmest sea
- 30° · June
- Longest day
- 13 h 30 min
- Shortest day
- 10 h 46 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 | 23° | 25° | 28° | 32° | 35° | 36° | 35° | 34° | 33° | 32° | 28° | 25° |
| Average low | 19° | 20° | 22° | 26° | 29° | 30° | 29° | 28° | 27° | 26° | 24° | 21° |
| Precipitation | 9 mm | 14 mm | 15 mm | 9 mm | 2 mm | 14 mm | 3 mm | 3 mm | 0 mm | 1 mm | 2 mm | 8 mm |
| Wet days (≥1 mm) | 2.7 | 1.4 | 2.4 | 1.9 | 0.7 | 1.2 | 0.6 | 0.4 | 0 | 0.6 | 1.4 | 2.5 |
| Cloud cover | 14% | 11% | 14% | 14% | 6% | 9% | 21% | 16% | 5% | 3% | 6% | 13% |
| Sea temperature | 24° | 24° | 25° | 27° | 29° | 30° | 29° | 28° | 29° | 29° | 28° | 26° |
| Daylight | 10h 54 | 11h 24 | 12h 00 | 12h 40 | 13h 13 | 13h 30 | 13h 24 | 12h 56 | 12h 18 | 11h 39 | 11h 04 | 10h 46 |
| Month score | 94 | 97 | 83 | 67 | 56 | 55 | 57 | 63 | 66 | 71 | 85 | 94 |