Climate of Semnan, Iran
Area-weighted average across Semnan. For where people actually live and travel, see the cities below.
Semnan, a subdivision of Iran, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 4.1°C / 39.4°F in January to 30.4°C / 86.7°F in July, with rainfall from 2 mm / 0.1 in to 34 mm / 1.3 in depending on the season (191 mm / 7.5 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 4.1°C39.4°F | 28 mm1.1″ | — |
| February | 6.6°C43.9°F | 27 mm1.1″ | — |
| March | 11.3°C52.3°F | 34 mm1.3″ | — |
| April | 17.9°C64.2°F | 23 mm0.9″ | Sunny & Mild |
| May | 22.9°C73.2°F | 17 mm0.7″ | Sunny & Warm |
| June | 28°C82.4°F | 5 mm0.2″ | Sunny & Hot |
| July | 30.4°C86.7°F | 2 mm0.1″ | Sunny & Hot |
| August | 29.3°C84.7°F | 2 mm0.1″ | Sunny & Hot |
| September | 25.1°C77.2°F | 4 mm0.2″ | Sunny & Hot, Sunny & Warm |
| October | 18.7°C65.7°F | 12 mm0.5″ | Sunny & Mild |
| November | 11.7°C53.1°F | 14 mm0.6″ | — |
| December | 5.9°C42.6°F | 23 mm0.9″ | — |
Frequently asked questions
What is the best time to visit Semnan?
The best months to visit Semnan, Iran for sunny, dry weather are April, May, June, July, August, September, October. The warmest month is July at an area-wide average of 30.4°C / 86.7°F, and the driest is July with about 2 mm / 0.1 in of rainfall.
What is the climate of Semnan?
Semnan, Iran has area-weighted monthly average temperatures ranging from 4.1°C / 39.4°F in January to 30.4°C / 86.7°F in July. Annual rainfall averages about 191 mm / 7.5 in, with the wettest month being March (34 mm / 1.3 in) and the driest July (2 mm / 0.1 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Semnan?
The hottest month in Semnan is July, with an area-wide average temperature of 30.4°C / 86.7°F.
What is the coldest month in Semnan?
The coldest month in Semnan is January, with an area-wide average temperature of 4.1°C / 39.4°F.
When does it rain most in Semnan?
The wettest month in Semnan is March, averaging about 34 mm / 1.3 in of rainfall. The driest is July with about 2 mm / 0.1 in.