Nature tourism & ecotourism in Iran are spectacularly varied because because Iran is a mountainous land spread over a vast area (about one-sixth of the size of Europe), with many climate zones, bordered by two very different coasts.
There’s temperate weather somewhere in Iran anytime of the year
It has everything from the hottest desert on the planet (in in the sandy Dashte Lut desert) to tropical rain forests on the Caspian Sea to the Persian Gulf coast’s perfect weather for winter travel to highlands in the clouds, where it snows eight months of the year!
Iran offers tourists outdoor activities for any weather
This is why you can visit Iran anytime of the year for any outdoor activity, from mountain climbing to skiing to desert camping to glimpse stars so bright you think you can hold them in your hands.
When to visit Iran
It depends on where you want to go. Spring and autumn are perfect for the usual tours of Isfahan, Shiraz and Yazd, as well as the northern Caspian coast. Winter is perfect for the Persian Gulf area and the hot deserts.