Īstgāh-e Garmsār Weather in May
What's the weather like in Īstgāh-e Garmsār (Semnān) in May 2026?
The climate in Īstgāh-e Garmsār during May can be summarized as hot and dry.
May is in the spring in Īstgāh-e Garmsār and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 29.1°C 84.4°F |
|---|---|
| Nightly temperature | 16.9°C 62.4°F |
| Average temperature | 23°C 73.4°F |
| Daily sunshine | 9.5 hrs |
| Avg rainfall | 12 mm 0.5 ins |
| Rainy days | 7 days |
| Sea temperature | 19.7°C 67.5°F |
| Humidity | 39% |
| Windspeed | 9kph 6 mph |
On average May is the 5th driest month of the year in Īstgāh-e Garmsār with around 12mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.5 hours of sunshine per day.
May temperatures in Īstgāh-e Garmsār
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Īstgāh-e Garmsār in May 2025.
Other monthly averages
Īstgāh-e Garmsār weather stats
| Hottest month: | July | 37.2°C 99°F |
|---|---|---|
| Driest month: | July | 3mm 0.1ins |
| Sunniest month: | September | 10.2hrs |
| Coldest month: | January | 8.7°C 47.7°F |
| Wettest month: | December | 40mm 1.6ins |
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