Climate normals · 1970–2000
Semnan Climate
Semnan is a city in Iran (25) with a population of about 124,826. Its average annual temperature is 18.1°C (65°F), with roughly 234 mm of rain per year.
18.1°C
Avg Temp
234
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
Semnan Climate
Semnan has an average annual temperature of 18.1°C (65°F) and receives about 234 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
18.1°C
Avg Temp
234
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 4° / 39° | 34 mm |
| February | 6° / 43° | 29 mm |
| March | 11° / 52° | 33 mm |
| April | 18° / 65° | 21 mm |
| May | 23° / 74° | 17 mm |
| June | 29° / 84° | 7 mm |
| July | 32° / 89° | 4 mm |
| August | 31° / 87° | 6 mm |
| September | 26° / 79° | 8 mm |
| October | 19° / 66° | 23 mm |
| November | 12° / 54° | 24 mm |
| December | 6° / 43° | 28 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Semnan
The most comfortable months to visit Semnan are typically October, May and April, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 38°C high). The coldest is January (near -1°C low). January is usually the wettest month.
Where to stay near Semnan
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Frequently Asked Questions
The most comfortable months to visit Semnan are typically October, May and April, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Semnan, Iran has an average annual temperature of 18.1°C and about 234 mm of precipitation per year. The warmest month is July and the coldest is January.
In July, the hottest month, daily highs in Semnan average about 38°C (100°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.