Kashan climate

Name: Kashan
Address: IR

Kashan is warmest in July, with average highs of 38 °C, and coldest in January, when nights average -0.2 °C. March is the wettest month (33 mm) and August the driest (0.2 mm). Figures are 1991–2020 climate normals.

Across a full year Kashan averages 185 mm of rain, 181 days above 25 °C and 31 days below freezing.

Iran · population 304,487 · 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 38 °C
Coldest month January -0.2 °C
Driest month August 0 mm
Wettest month March 33 mm
Least cloud September 6 % cloud
Hottest on record July 45 °C
Coldest on record January -17 °C

What to expectKashan through the year

Kashan has a clear annual cycle: average daily highs run from 9.1 °C in January to 38 °C in July, a swing of 28 °C in mean temperature across the year.

Counted across a normal year, 181 days a year reach 25 °C, 138 of them reach 30 °C, 31 nights drop below freezing. The warmest reading in the 1991–2020 record is 45 °C, in July.

Rain is spread fairly evenly through the year, from 0 mm in August to 33 mm in March. There is no dry season to aim for.

Month by month

Month	Avg high	Rainfall	Cloud
January	9.1 °C	28 mm	38 %
February	12.4 °C	25 mm	35 %
March	18.1 °C	33 mm	40 %
April	24.2 °C	29 mm	42 %
May	30.0 °C	12 mm	32 %
June	35.7 °C	1 mm	12 %
July	38.0 °C	under 1 mm	12 %
August	37.1 °C	under 1 mm	7 %
September	32.5 °C	under 1 mm	6 %
October	25.3 °C	7 mm	21 %
November	16.0 °C	25 mm	37 %
December	10.8 °C	23 mm	40 %

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	9.1 °C	-0.2 °C	4.4 °C	18.8 °C	-16.6 °C	0	0	14
February	12.4 °C	1.4 °C	7.0 °C	26.4 °C	-15.6 °C	0	0	8
March	18.1 °C	5.9 °C	12.3 °C	35.6 °C	-15.2 °C	2	0	1
April	24.2 °C	11.3 °C	18.3 °C	36.4 °C	-1.4 °C	13	2	0
May	30.0 °C	16.9 °C	24.1 °C	39.6 °C	7.2 °C	27	17	0
June	35.7 °C	22.6 °C	29.7 °C	43.9 °C	14.8 °C	30	29	0
July	38.0 °C	25.9 °C	32.4 °C	44.8 °C	19.5 °C	31	31	0
August	37.1 °C	24.7 °C	31.3 °C	44.5 °C	15.7 °C	31	31	0
September	32.5 °C	20.2 °C	26.6 °C	40.1 °C	13.1 °C	29	24	0
October	25.3 °C	14.3 °C	19.9 °C	36.0 °C	6.8 °C	16	4	0
November	16.0 °C	7.3 °C	11.7 °C	28.9 °C	-6.4 °C	1	0	0
December	10.8 °C	2.6 °C	6.6 °C	20.9 °C	-8.5 °C	0	0	6

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	28 mm	6	10 h/day	38 %	61 %	11 km/h
February	25 mm	5	11 h/day	35 %	55 %	13 km/h
March	33 mm	6	12 h/day	40 %	48 %	14 km/h
April	29 mm	5	13 h/day	42 %	42 %	15 km/h
May	12 mm	3	14 h/day	32 %	32 %	15 km/h
June	1 mm	0	14 h/day	12 %	21 %	17 km/h
July	under 1 mm	0	14 h/day	12 %	20 %	17 km/h
August	under 1 mm	0	13 h/day	7 %	19 %	17 km/h
September	under 1 mm	0	12 h/day	6 %	22 %	15 km/h
October	7 mm	2	11 h/day	21 %	36 %	12 km/h
November	25 mm	5	10 h/day	37 %	55 %	11 km/h
December	23 mm	5	9.9 h/day	40 %	63 %	10 km/h

How Kashan 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
Kashan	38 °C	-0.2 °C	185 mm	181
Qom · Iran	39 °C	-0.7 °C	143 mm	187
Shāhīn Shahr · Iran	36 °C	-3.1 °C	120 mm	166
Isfahan · Iran	37 °C	-3.6 °C	98 mm	173
Najafābād · Iran	37 °C	-5.4 °C	144 mm	170
Varāmīn · Iran	39 °C	-2.1 °C	171 mm	184
Sāveh · Iran	38 °C	-2.2 °C	227 mm	179

Where Kashan ranks

Ranking	Position	Value
Places with the best weather in Asia in April	7th of 50	96/100
Places with the best weather in the world in April	12th of 50	96/100

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

QuestionsCommon questions about Kashan’s climate

When is the best time to visit Kashan?

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 August the driest. The month-by-month table above has the full picture.

How hot does Kashan get?

In July, the warmest month, daily highs average 38 °C. About 138 days a year pass 30 °C. The highest value in the 1991–2020 record is 45 °C.

How cold does it get in winter?

Nights average -0.2 °C in January, the coldest month. A normal year has 31 nights below freezing.

Which month is wettest in Kashan?

March, averaging 33 mm over 6 days with rain. The driest month is August with 0 mm. The year as a whole averages 185 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 Kashan 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: 33.982°, 51.428° (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.