Iran enjoys a considerable climate diversity, which is subjected to various seasons in different parts of the country, in a way that in some areas, the coldness of winter and the warmth of summer can be seen simultaneously. Thus the weather in Iran must be judged regionally. The average annual temperature from northwest to southeast of the country varies from 10 degree Centigrade in Azerbaijan to 25-30 degree Centigrade in the south and southeast.

 

 

Therefore, because of these climatic diversities one can enjoy from winter sports while at the same time within a few hours of travel it is possible to swim in the warm waters of the Persian Gulf.

Traveling to Iran is based on very local and personal factors,some people prefer to travel when the weather is not too hot, or sites too crowded , others prefer to travel when a traditional local event is taking place.

In general, spring and autumn are the best time to visit Iran even if the weather may be a little uncertain with short lapses into either the cold of winter or the heat of summer. More accurate is mid-April to early June, and late September to early November. Also you can also relive the charming atmosphere in the Persian Gulf islands during January and February.

In other months of the year, in some areas, there will be very hot or very cold for those who aren’t familiar with such extreme weather conditions.
If you would like to go skiing then you should plan your visit sometime between November and March.The rose and rosewater festival takes place between April and June. The hunting season in Iran commences on 23 October and lasts until 19 February; however the high season of foreign hunters normally coincides with January holidays.
So, Depending on the season and the areas you plan to visit, you need to pack accordingly.