climigo

Caspian coast

Do not travel

The governments of Canada, the United Kingdom and the United States advise against all travel to the whole country. The advice is for the country: it holds here too.

Read the UK Foreign Office advice (GOV.UK) · checked on 9 November 2026 · how it works

When to go?

The best months are April–May, September–October.

Very varied climate The climate changes a lot from one part to another: look at the cities below for the details.

Climate zones

ZagrosCentral IranKhorasanTurkmenistanIranian AzerbaijanAzerbaijanRashtRashtRashtGorganGorganGorganSariSariSariRamsarRamsarRamsarBabolBabolBabol

Mean maximum and minimum temperature and mean monthly precipitation of the season (the mean of its three months), ERA5-Land 1996–2025, at about 9 km resolution: colours are in levels (the same as the city scale) and smaller details are not real.

What is the climate like?

Area mean indicative, over the whole territory

Temperature and rain

January 8°−2°
February 9°−1°
March 14°3°
April 20°8°
May 25°13°
June 30°18°
July 32°21°
August 32°20°
September 28°16°
October 22°11°
November 15°4°
December 10°0°

Monthly min and max temperature (°C)

−5°0°5°10°15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDec−1.6 · 8.1 °CJanuary: −1.6 · 8.1 °C−0.6 · 9.4 °CFebruary: −0.6 · 9.4 °C3.3 · 14.0 °CMarch: 3.3 · 14.0 °C8.2 · 19.6 °CApril: 8.2 · 19.6 °C13.4 · 24.8 °CMay: 13.4 · 24.8 °C18.1 · 29.5 °CJune: 18.1 · 29.5 °C20.7 · 31.7 °CJuly: 20.7 · 31.7 °C20.2 · 32.1 °CAugust: 20.2 · 32.1 °C16.4 · 27.8 °CSeptember: 16.4 · 27.8 °C10.7 · 22.0 °COctober: 10.7 · 22.0 °C4.3 · 14.7 °CNovember: 4.3 · 14.7 °C0.4 · 10.2 °CDecember: 0.4 · 10.2 °C

Monthly min and max temperature (°C)

Jan −1.6 – 8.1 °C
Feb −0.6 – 9.4 °C
Mar 3.3 – 14.0 °C
Apr 8.2 – 19.6 °C
May 13.4 – 24.8 °C
Jun 18.1 – 29.5 °C
Jul 20.7 – 31.7 °C
Aug 20.2 – 32.1 °C
Sep 16.4 – 27.8 °C
Oct 10.7 – 22.0 °C
Nov 4.3 – 14.7 °C
Dec 0.4 – 10.2 °C

How much it rains

January 53 mm7 d
February 52 mm8 d
March 57 mm9 d
April 51 mm8 d
May 49 mm7 d
June 36 mm5 d
July 40 mm4 d
August 43 mm4 d
September 76 mm6 d
October 83 mm7 d
November 75 mm7 d
December 54 mm7 d

Rain days and how much water

0102030 dJanFebMarAprMayJunJulAugSepOctNovDec53 mm · 7 rain days · 8 mm a dayJanuary: 53 mm · 7 rain days · 8 mm a day52 mm · 8 rain days · 7 mm a dayFebruary: 52 mm · 8 rain days · 7 mm a day57 mm · 9 rain days · 6 mm a dayMarch: 57 mm · 9 rain days · 6 mm a day51 mm · 8 rain days · 6 mm a dayApril: 51 mm · 8 rain days · 6 mm a day49 mm · 7 rain days · 7 mm a dayMay: 49 mm · 7 rain days · 7 mm a day36 mm · 5 rain days · 7 mm a dayJune: 36 mm · 5 rain days · 7 mm a day40 mm · 4 rain days · 10 mm a dayJuly: 40 mm · 4 rain days · 10 mm a day43 mm · 4 rain days · 11 mm a dayAugust: 43 mm · 4 rain days · 11 mm a day76 mm · 6 rain days · 13 mm a daySeptember: 76 mm · 6 rain days · 13 mm a day83 mm · 7 rain days · 12 mm a dayOctober: 83 mm · 7 rain days · 12 mm a day75 mm · 7 rain days · 11 mm a dayNovember: 75 mm · 7 rain days · 11 mm a day54 mm · 7 rain days · 8 mm a dayDecember: 54 mm · 7 rain days · 8 mm a day

Rain days and how much water

Jan 53 mm7 d
Feb 52 mm8 d
Mar 57 mm9 d
Apr 51 mm8 d
May 49 mm7 d
Jun 36 mm5 d
Jul 40 mm4 d
Aug 43 mm4 d
Sep 76 mm6 d
Oct 83 mm7 d
Nov 75 mm7 d
Dec 54 mm7 d

Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day

Colour = the month's rain: 103060100160250400mm

Daylight hours

January 9 h 55
February 10 h 51
March 11 h 56
April 13 h 07
May 14 h 07
June 14 h 39
July 14 h 26
August 13 h 35
September 12 h 26
October 11 h 17
November 10 h 13
December 9 h 40

Mean daylight hours over the whole territory.

Snow on the ground

January 11 cm
February 17 cm
March 12 cm
April 4 cm
May –
June –
July –
August –
September –
October –
November 2 cm
December 6 cm

Mean snow depth on the ground (cm)

01325 cmJanFebMarAprMayJunJulAugSepOctNovDec11 cmJanuary: 11 cm17 cmFebruary: 17 cm12 cmMarch: 12 cm4 cmApril: 4 cm0 cmMay: 0 cm0 cmJune: 0 cm0 cmJuly: 0 cm0 cmAugust: 0 cm0 cmSeptember: 0 cm0 cmOctober: 0 cm2 cmNovember: 2 cm6 cmDecember: 6 cm

Mean snow depth on the ground (cm)

Jan 11 cm
Feb 17 cm
Mar 12 cm
Apr 4 cm
May 0 cm
Jun 0 cm
Jul 0 cm
Aug 0 cm
Sep 0 cm
Oct 0 cm
Nov 2 cm
Dec 6 cm

Spatial mean over the whole area, weighted by area (cosine of the latitude), not by population: indicative only, since the climate varies a lot within an area (coasts, plains, mountains). Look at the cities for the weather you will find.

Main cities

Rasht

Gorgan

Sari

Cities