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Climate guideThirty-year normals for Gerash
Gerash climate by month
Hot desert · BWhBest Feb–Mar · Nov
Annual mean23°day and night
Seasonal swing23°warmest vs coolest
Precipitation218 mm24 wet days a year
27.67° N, 54.14° EElevation 923 mUTC+3:30 · Iran Standard Time
When to goGerash · weather score
Best timeFeb–Mar · Nov
October: high / low31° / 19°
iSummary
What the weather is like
Gerash has a hot desert climate (Köppen BWh): very little rain and intense sun.
The warmest month is July, when afternoons average 40° and nights 28°. January is the coolest month, with highs of 16° and lows of 6°. The difference between the warmest and the coolest month is about 23°, a large swing typical of continental interiors.
About 218 mm of precipitation falls in an average year. December is the wettest month (54 mm, 4 wet days) and June the driest (1 mm, 0 wet days). Cloud cover ranges from 2% in June to 22% in March.
Compared with Tehran, the capital, Gerash is 5.1° warmer on a July afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 40° · July
- Coldest nights
- 6° · January
- Wettest month
- December
- Driest month
- June
- Clearest skies
- June · 2% cloud
- Longest day
- 13 h 53 min
- Shortest day
- 10 h 24 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 16° | 19° | 23° | 29° | 36° | 40° | 40° | 40° | 36° | 31° | 24° | 18° |
| Average low | 6° | 8° | 12° | 17° | 23° | 26° | 28° | 27° | 24° | 19° | 13° | 9° |
| Precipitation | 48 mm | 38 mm | 45 mm | 8 mm | 2 mm | 1 mm | 5 mm | 7 mm | 2 mm | 1 mm | 7 mm | 54 mm |
| Wet days (≥1 mm) | 3.7 | 3.5 | 3.8 | 1.8 | 1.2 | 0 | 2.2 | 1 | 0 | 0.7 | 2 | 4 |
| Cloud cover | 20% | 18% | 22% | 20% | 10% | 2% | 6% | 6% | 2% | 4% | 12% | 19% |
| Daylight | 10h 34 | 11h 13 | 11h 58 | 12h 49 | 13h 30 | 13h 53 | 13h 44 | 13h 09 | 12h 21 | 11h 32 | 10h 48 | 10h 24 |
| Month score | 80 | 92 | 91 | 77 | 55 | 58 | 53 | 56 | 58 | 73 | 95 | 91 |
ivMonth by month
Gerash in every month
January80
16° / 6°
48 mm · 3.7 wet days
February92
19° / 8°
38 mm · 3.5 wet days
March91
23° / 12°
45 mm · 3.8 wet days
April77
29° / 17°
8 mm · 1.8 wet days
May55
36° / 23°
2 mm · 1.2 wet day
June58
40° / 26°
1 mm · 0 wet days
July53
40° / 28°
5 mm · 2.2 wet days
August56
40° / 27°
7 mm · 1 wet day
September58
36° / 24°
2 mm · 0 wet days
October73
31° / 19°
1 mm · 0.7 wet day
November95
24° / 13°
7 mm · 2 wet days
December91
18° / 9°
54 mm · 4 wet days