Climate in Iran

Iran is one of the few countries that have all four distinguished seasons. And at any time of the year, in each section of the country, one of the four seasons is visible. Iran’s variety in terms of temperature, humidity and rainfall differs from place to place and season to season. Length of the seasons differs in different regions.

In the North West (Tabriz, Orumieh, Ardabil, Zanjan, Tehran), winters are cold with heavy snowfall and subfreezing temperatures especially during December and January.

In the south and center; weather is sunny most of the time, except some rainfalls in winter and spring. In Caspian Sea area (Rasht, Sari, Golestan), rainfall exceeds 100 centimeters annually and is distributed relatively evenly throughout the year.

On the other hand in the South (Bandar Abbas, Boushehr, Ahvaz) winters are mild and the summers are almost very hot, average daily temperatures in July exceeding 38° C. The days are extremely hot and the nights are mild from June to October.

In most of the country’s East & West (Shiraz, Isfahan), yearly precipitation averages of weather are 25 centimeters or less. Also springs and falls are relatively mild with pleasant weather in March and April.

Iran can be divided into 3 major climate areas:                                                                                                                        

• Arid (desert) and semi-arid climate ( most of Iran)

• Mediterranean climate ( the narrow strip alongside Caspian sea, north of Iran)

• Cold dry climate ( in the mountain areas)