Varāmīn climate

Name: Varāmīn
Address: IR

Varāmīn is warmest in July, with average highs of 39 °C, and coldest in January, when nights average -2.1 °C. March is the wettest month (33 mm) and July the driest (0.5 mm). Figures are 1991–2020 climate normals.

Across a full year Varāmīn averages 171 mm of rain, 184 days above 25 °C and 62 days below freezing.

Iran · population 225,628 · 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 July 39 °C
Coldest month January -2.1 °C
Driest month July 1 mm
Wettest month March 33 mm
Least cloud August 5 % cloud
Hottest on record July 44 °C
Coldest on record January -19 °C

What to expectVarāmīn through the year

Varāmīn has a clear annual cycle: average daily highs run from 9.4 °C in January to 39 °C in July, a swing of 30 °C in mean temperature across the year.

Counted across a normal year, 184 days a year reach 25 °C, 142 of them reach 30 °C, 62 nights drop below freezing. The warmest reading in the 1991–2020 record is 44 °C, in July.

Rain is spread fairly evenly through the year, from 1 mm in July to 33 mm in March. There is no dry season to aim for.

Month by month

Month	Avg high	Rainfall	Cloud
January	9.4 °C	24 mm	36 %
February	12.2 °C	23 mm	36 %
March	17.9 °C	33 mm	41 %
April	24.3 °C	23 mm	41 %
May	30.6 °C	9 mm	32 %
June	36.4 °C	1 mm	12 %
July	38.9 °C	1 mm	10 %
August	37.7 °C	1 mm	5 %
September	33.0 °C	1 mm	5 %
October	25.7 °C	9 mm	21 %
November	16.3 °C	25 mm	34 %
December	10.7 °C	22 mm	38 %

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	9.4 °C	-2.1 °C	3.3 °C	18.5 °C	-19.2 °C	0	0	24
February	12.2 °C	-0.4 °C	5.9 °C	25.7 °C	-18.2 °C	0	0	16
March	17.9 °C	4.2 °C	11.4 °C	33.3 °C	-16.5 °C	2	0	4
April	24.3 °C	10.1 °C	17.8 °C	35.3 °C	0.6 °C	13	3	0
May	30.6 °C	15.8 °C	24.1 °C	38.8 °C	3.7 °C	29	18	0
June	36.4 °C	21.5 °C	30.0 °C	43.9 °C	12.0 °C	30	29	0
July	38.9 °C	25.1 °C	32.9 °C	44.2 °C	18.5 °C	31	31	0
August	37.7 °C	23.6 °C	31.5 °C	43.4 °C	13.7 °C	31	31	0
September	33.0 °C	18.5 °C	26.3 °C	39.6 °C	11.5 °C	30	25	0
October	25.7 °C	11.9 °C	19.1 °C	34.2 °C	4.9 °C	18	4	0
November	16.3 °C	4.8 °C	10.5 °C	27.9 °C	-6.8 °C	0	0	3
December	10.7 °C	-0.1 °C	5.0 °C	21.4 °C	-7.3 °C	0	0	16

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	24 mm	5	10 h/day	36 %	62 %	11 km/h
February	23 mm	5	11 h/day	36 %	56 %	14 km/h
March	33 mm	5	12 h/day	41 %	47 %	16 km/h
April	23 mm	4	13 h/day	41 %	39 %	17 km/h
May	9 mm	2	14 h/day	32 %	27 %	18 km/h
June	1 mm	0	15 h/day	12 %	19 %	17 km/h
July	1 mm	0	14 h/day	10 %	20 %	18 km/h
August	1 mm	0	14 h/day	5 %	20 %	16 km/h
September	1 mm	0	12 h/day	5 %	23 %	14 km/h
October	9 mm	2	11 h/day	21 %	34 %	12 km/h
November	25 mm	5	10 h/day	34 %	54 %	11 km/h
December	22 mm	5	9.8 h/day	38 %	64 %	9.9 km/h

How Varāmīn 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
Varāmīn	39 °C	-2.1 °C	171 mm	184
Qarchak · Iran	38 °C	-2.5 °C	278 mm	176
Pākdasht · Iran	37 °C	-2.1 °C	237 mm	171
Eslamshahr · Iran	37 °C	-3.5 °C	313 mm	168
Tehran · Iran	36 °C	-5.0 °C	346 mm	156
Golestān · Iran	37 °C	-3.2 °C	302 mm	171
Shahrīār · Iran	36 °C	-4.8 °C	291 mm	157

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

QuestionsCommon questions about Varāmīn’s climate

When is the best time to visit Varāmīn?

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

How hot does Varāmīn get?

In July, the warmest month, daily highs average 39 °C. About 142 days a year pass 30 °C. The highest value in the 1991–2020 record is 44 °C.

How cold does it get in winter?

Nights average -2.1 °C in January, the coldest month. A normal year has 62 nights below freezing.

Which month is wettest in Varāmīn?

March, averaging 33 mm over 5 days with rain. The driest month is July with 1 mm. The year as a whole averages 171 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 Varāmīn 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: 35.324°, 51.646° (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.