Iran Climate: Weather by Month in 82 Places

Q: Where does it rain the most in Iran?

Rasht gets the most precipitation, 1,019 mm in an average year. The driest place is Yazd with 56 mm.

World Climates covers 82 places in Iran. By annual mean temperature, the warmest is Bandar Abbas (28 °C83 °F) and the coolest is Zanjan (11 °C51 °F). The wettest is Rasht with 1,019 mm40 in of precipitation per year, the driest Yazd with 56 mm2.2 in.

The most common climate types (Köppen classification computed from these averages) are cold semi-arid (BSk, 24 places), hot-summer Mediterranean (Csa, 19 places), hot desert (BWh, 17 places) and hot semi-arid (BSh, 12 places).

The highest monthly average high is in Ahvaz (49 °C119 °F in July); the lowest monthly average low is in Zanjan (−6 °C20 °F in January).

Across the places in Iran, the months that most often rank as the most comfortable are April, May and October (57, 48 and 63 of 82 places respectively).

Frequently asked questions

Which is the warmest place in Iran?

By annual mean temperature, the warmest place in Iran is Bandar Abbas at 28 °C83 °F. The coolest is Zanjan at 11 °C51 °F.

Where does it rain the most in Iran?

Rasht gets the most precipitation, 1,019 mm40 in in an average year. The driest place is Yazd with 56 mm2.2 in.

How many places in Iran does this site cover?

World Climates has climate data for 82 places in Iran. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.

When is the best time to visit Iran?

It depends on the place. Across Iran, the months that most often rank as the most comfortable are April, May and October. Check the page of each city for its own best months.

Annual averages, 2001–2025
Place	Year	Max high	Min low	Precip.
Tehran	17	38	−2	311
Mashhad	15	35	−3	186
Isfahan	16	38	−3	164
Karaj	14	34	−4	509
Tabriz	13	35	−5	236
Shiraz	18	39	0	273
Qom	19	40	−1	207
Ahvaz	27	49	6	197
Kermanshah	15	39	−3	346
Rasht	18	30	7	1,019
Kerman	17	36	−1	117
Orumiyeh	13	34	−5	301
Zahedan	20	38	2	67
Hamadan	12	35	−6	284
Arak	14	37	−5	219
Yazd	20	40	0	56
Ardabil	12	32	−5	420
Zanjan	11	30	−6	380
Bandar Abbas	28	38	17	114
Sanandaj	14	37	−4	319
Qazvin	13	33	−5	614
Khorramshahr	27	47	6	119
Khorramabad	18	41	0	357
Kashan	20	40	1	156
Kashan	20	40	1	156
Khomeyni Shahr	16	38	−3	212
Dezful	26	48	6	294
Maragheh	13	35	−5	238
Maragheh	12	32	−6	184
Sari	19	36	3	536
Borujerd	15	38	−3	324
Qarchak	18	38	0	334
Gorgan	20	37	4	282
Sabzevar	17	39	−2	162
Amol	19	34	6	647
Neyshabur	15	36	−3	170
Saveh	18	40	−2	248
Nazarabad	16	37	−3	426
Qaem Shahr	19	36	3	536
Sirjan	18	38	−1	152
Khuy	14	36	−4	271
Birjand	16	34	−1	119
Bukan	14	38	−4	327
Bojnurd	14	35	−3	200
Shahin Shahr	16	38	−3	184
Malayer	13	37	−5	303
Piranshahr	14	36	−4	324
Mahabad	14	36	−4	297
Bushehr	26	36	16	316
Saqqez	13	37	−4	339
Shahrud	13	33	−4	207
Bandar-e Mahshahr	27	46	8	186
Gonbad-e Kavus	20	40	2	245
Marvdasht	18	39	−1	307
Rafsanjan	19	39	0	126
Jahrom	23	43	3	199
Ilam	16	37	−3	387
Torbat-e Heydariyeh	14	33	−4	186
Marivan	15	38	−2	328
Shahreza	15	36	−4	218
Miandoab	14	38	−4	285
Kashmar	17	38	−3	159
Iranshahr	27	45	8	92
Jiroft	27	45	7	91
Shahr-e Kord	13	34	−5	284
Semnan	16	36	−1	234
Marand	13	34	−5	257
Behbahan	26	46	7	308
Zabol	23	42	3	60
Dorud	16	39	−2	350
Izeh	22	42	4	284
Kazerun	23	43	5	277
Quchan	13	32	−4	190
Borazjan	28	47	9	303
Baneh	13	37	−5	350
Chalus	21	36	5	799
Mianeh	15	36	−3	259
Parsabad	17	37	1	361
Shushtar	27	48	7	248
Lahijan	19	34	4	955
Ahar	12	32	−5	258
Masjed Soleyman	26	47	8	289

Annual averages, 2001–2025

Place

Year

Max high

Min low

Precip.

Tehran

−2

311

Mashhad

−3

186