Sari climate

Name: Sari
Address: IR

Sari is warmest in August, with average highs of 32 °C, and coldest in January, when nights average 1.7 °C. September is the wettest month (114 mm) and June the driest (44 mm). Figures are 1991–2020 climate normals.

Across a full year Sari averages 878 mm of rain, 144 days above 25 °C and 22 days below freezing.

Iran · population 255,396 · 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 32 °C
Coldest month January 1.7 °C
Driest month June 44 mm
Wettest month September 114 mm
Least cloud August 41 % cloud
Hottest on record June 42 °C
Coldest on record January -12 °C

What to expectSari through the year

Sari has a clear annual cycle: average daily highs run from 12 °C in January to 32 °C in August, a swing of 20 °C in mean temperature across the year.

Counted across a normal year, 144 days a year reach 25 °C, 63 of them reach 30 °C, 22 nights drop below freezing. The warmest reading in the 1991–2020 record is 42 °C, in June.

Rain is strongly seasonal. September averages 114 mm against 44 mm in June — 2.6 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	12.1 °C	71 mm	52 %
February	12.5 °C	76 mm	56 %
March	15.8 °C	83 mm	58 %
April	20.1 °C	61 mm	59 %
May	24.7 °C	49 mm	55 %
June	28.5 °C	44 mm	45 %
July	30.8 °C	54 mm	46 %
August	31.8 °C	62 mm	41 %
September	28.1 °C	114 mm	46 %
October	23.4 °C	101 mm	45 %
November	17.4 °C	95 mm	51 %
December	13.7 °C	68 mm	51 %

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	12.1 °C	1.7 °C	6.5 °C	25.4 °C	-12.5 °C	0	0	9
February	12.5 °C	1.9 °C	7.0 °C	28.7 °C	-11.3 °C	0	0	7
March	15.8 °C	5.0 °C	10.3 °C	34.3 °C	-6.9 °C	2	0	2
April	20.1 °C	9.4 °C	14.8 °C	35.6 °C	1.2 °C	5	1	0
May	24.7 °C	14.4 °C	19.7 °C	38.2 °C	3.8 °C	14	2	0
June	28.5 °C	18.8 °C	23.9 °C	42.4 °C	11.2 °C	26	10	0
July	30.8 °C	21.6 °C	26.2 °C	39.5 °C	16.3 °C	30	18	0
August	31.8 °C	21.9 °C	26.8 °C	41.3 °C	13.7 °C	30	22	0
September	28.1 °C	19.0 °C	23.4 °C	39.2 °C	11.8 °C	25	9	0
October	23.4 °C	13.7 °C	18.3 °C	38.0 °C	6.6 °C	10	1	0
November	17.4 °C	7.8 °C	12.3 °C	30.4 °C	-9.2 °C	1	0	1
December	13.7 °C	3.6 °C	8.2 °C	26.1 °C	-9.1 °C	0	0	4

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	71 mm	9	9.9 h/day	52 %	79 %	11 km/h
February	76 mm	10	11 h/day	56 %	79 %	12 km/h
March	83 mm	11	12 h/day	58 %	79 %	13 km/h
April	61 mm	10	13 h/day	59 %	78 %	12 km/h
May	49 mm	8	14 h/day	55 %	76 %	12 km/h
June	44 mm	8	15 h/day	45 %	72 %	12 km/h
July	54 mm	10	14 h/day	46 %	71 %	12 km/h
August	62 mm	11	14 h/day	41 %	70 %	12 km/h
September	114 mm	12	12 h/day	46 %	76 %	11 km/h
October	101 mm	10	11 h/day	45 %	78 %	11 km/h
November	95 mm	10	10 h/day	51 %	80 %	11 km/h
December	68 mm	8	9.7 h/day	51 %	80 %	11 km/h

How Sari 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
Sari	32 °C	1.7 °C	878 mm	144
Qā’em Shahr · Iran	31 °C	1.3 °C	830 mm	136
Āmol · Iran	28 °C	1.6 °C	1,340 mm	94
Gorgān · Iran	31 °C	2.6 °C	606 mm	147
Shahrud · Iran	32 °C	-2.2 °C	373 mm	133
Pākdasht · Iran	37 °C	-2.1 °C	237 mm	171
Tehran · Iran	36 °C	-5.0 °C	346 mm	156

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

QuestionsCommon questions about Sari’s climate

When is the best time to visit Sari?

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

How hot does Sari get?

In August, the warmest month, daily highs average 32 °C. About 63 days a year pass 30 °C. The highest value in the 1991–2020 record is 42 °C.

How cold does it get in winter?

Nights average 1.7 °C in January, the coldest month. A normal year has 22 nights below freezing.

Which month is wettest in Sari?

September, averaging 114 mm over 12 days with rain. The driest month is June with 44 mm. The year as a whole averages 878 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 Sari 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: 36.563°, 53.060° (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.