Rasht climate

Name: Rasht
Address: IR

Rasht is warmest in August, with average highs of 28 °C, and coldest in February, when nights average 2.2 °C. October is the wettest month (220 mm) and May the driest (56 mm). Figures are 1991–2020 climate normals.

Across a full year Rasht averages 1,534 mm of rain, 99 days above 25 °C and 17 days below freezing.

Iran · population 594,590 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 28 °C
Coldest month February 2.2 °C
Driest month May 56 mm
Wettest month October 220 mm
Least cloud July 40 % cloud
Hottest on record July 38 °C
Coldest on record January -11 °C

What to expectRasht through the year

Rasht has a clear annual cycle: average daily highs run from 11 °C in February to 28 °C in August, a swing of 19 °C in mean temperature across the year.

Counted across a normal year, 99 days a year reach 25 °C, 24 of them reach 30 °C, 17 nights drop below freezing. The warmest reading in the 1991–2020 record is 38 °C, in July.

Rain is strongly seasonal. October averages 220 mm against 56 mm in May — 4.0 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	10.6 °C	130 mm	60 %
February	10.6 °C	129 mm	63 %
March	13.8 °C	122 mm	65 %
April	17.7 °C	89 mm	66 %
May	22.5 °C	56 mm	56 %
June	26.3 °C	70 mm	40 %
July	28.0 °C	82 mm	40 %
August	28.3 °C	106 mm	44 %
September	24.6 °C	187 mm	58 %
October	20.9 °C	220 mm	64 %
November	15.8 °C	201 mm	63 %
December	12.5 °C	141 mm	60 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	10.6 °C	2.4 °C	6.2 °C	22.2 °C	-10.9 °C	0	0	7
February	10.6 °C	2.2 °C	6.2 °C	25.0 °C	-9.6 °C	0	0	7
March	13.8 °C	4.9 °C	9.2 °C	32.1 °C	-6.9 °C	1	0	2
April	17.7 °C	8.9 °C	13.2 °C	31.9 °C	-2.8 °C	2	0	0
May	22.5 °C	13.9 °C	18.2 °C	36.5 °C	3.4 °C	7	1	0
June	26.3 °C	18.2 °C	22.4 °C	36.1 °C	10.0 °C	20	4	0
July	28.0 °C	20.8 °C	24.6 °C	37.6 °C	13.4 °C	26	8	0
August	28.3 °C	21.2 °C	24.7 °C	37.5 °C	15.2 °C	25	10	0
September	24.6 °C	18.3 °C	21.4 °C	37.5 °C	11.7 °C	14	2	0
October	20.9 °C	14.2 °C	17.3 °C	32.1 °C	7.4 °C	3	0	0
November	15.8 °C	8.8 °C	12.1 °C	28.6 °C	-8.3 °C	0	0	0
December	12.5 °C	4.7 °C	8.2 °C	24.4 °C	-7.6 °C	0	0	2

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	130 mm	13	9.9 h/day	60 %	81 %	13 km/h
February	129 mm	13	11 h/day	63 %	83 %	12 km/h
March	122 mm	14	12 h/day	65 %	83 %	12 km/h
April	89 mm	13	13 h/day	66 %	83 %	12 km/h
May	56 mm	9	14 h/day	56 %	81 %	12 km/h
June	70 mm	8	15 h/day	40 %	75 %	11 km/h
July	82 mm	9	14 h/day	40 %	74 %	11 km/h
August	106 mm	11	14 h/day	44 %	76 %	11 km/h
September	187 mm	14	12 h/day	58 %	84 %	11 km/h
October	220 mm	15	11 h/day	64 %	87 %	11 km/h
November	201 mm	15	10 h/day	63 %	85 %	12 km/h
December	141 mm	13	9.6 h/day	60 %	82 %	12 km/h

How Rasht compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Rasht	28 °C	2.2 °C	1,534 mm	99
Zanjan · Iran	29 °C	-7.5 °C	450 mm	100
Qazvin · Iran	33 °C	-4.0 °C	428 mm	134
Ardabīl · Iran	26 °C	-6.8 °C	470 mm	56
Naz̧arābād · Iran	35 °C	-4.1 °C	356 mm	145
Karaj · Iran	35 °C	-6.0 °C	288 mm	147

Planning a trip? See the best time to visit Rasht.

QuestionsCommon questions about Rasht’s climate

When is the best time to visit Rasht?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, June, September sit closest to 20 °C on average, August is the warmest month and May the driest. The month-by-month table above has the full picture.

How hot does Rasht get?

In August, the warmest month, daily highs average 28 °C. About 24 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average 2.2 °C in February, the coldest month. A normal year has 17 nights below freezing.

Which month is wettest in Rasht?

October, averaging 220 mm over 15 days with rain. The driest month is May with 56 mm. The year as a whole averages 1,534 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Rasht rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 37.276°, 49.589° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.