The weather ratio in Semnan (Iran) comprises 62% clear and sunny days, 11% partly cloudy days, 4% cloudy days, 11% rainy days, and 12% snowy days. Semnan is an area that has many clear and sunny days. The average temperature over the year in Semnan is 19°C. The highest average temperature for a given month is 37°C. The lowest temperature is -8°C, and it's a tempestuous climate with large temperature changes depending on the season. There are many days on which the cloud coverage is minimal and the sunlight shines through strongly, It is a place with gentle wind.