Garmsār climate — normals and trends

Q: What is the climate of Garmsār?

Garmsār has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 17.8 °C and it receives 155 mm of precipitation per year.

Q: What is the hottest day ever recorded in Garmsār?

The hottest day measured in Garmsār between 1940 and 2025 was 17 July 2003, reaching 44.2 °C.

Q: What is the coldest day in Garmsār?

The coldest day measured in Garmsār between 1940 and 2025 was 8 February 1950, at -19.9 °C.

Q: Does it snow in Garmsār?

Yes. Garmsār gets on average 12.3 cm of snow per year and has around 50 frost days.

Q: Has the climate of Garmsār warmed?

Yes: Garmsār warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Garmsār?

The wettest day measured in Garmsār between 1940 and 2025 was 8 March 1986, with 29 mm of rain in 24 hours.

Q: What was the windiest day in Garmsār?

The windiest day measured in Garmsār between 1940 and 2025 was 7 April 1964, with winds reaching 46.5 km/h.

Q: What is the warmest month in Garmsār?

The warmest month in Garmsār is July (32.1 °C on average); the coldest is January (3.1 °C).

Q: How much does it rain in Garmsār?

Garmsār receives on average 155 mm of precipitation per year, spread over about 34 rainy days.

Q: Is it sunny in Garmsār?

Garmsār gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.

Garmsār (Iran) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 17.8 °C and it receives 155 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is July (32.1 °C on average) and the coldest is January (3.1 °C). Rainfall peaks in March.

Garmsār averages 50 frost days, 133 hot days (≥ 30 °C) and 34 rainy days per year.

Garmsār has warmed by +3.0 °C between 1940 and 2025, or +0.36 °C per decade. This trend is statistically significant.

The number of frost days there went from about 70 to 30 per year over the period.

The hottest day of the period reached 44.2 °C (on 17 July 2003) and the coldest -19.9 °C (on 8 February 1950).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

GarmsārSemnan Province

coords: 35.22°, 52.34°
period: 1940–2025 · 86 yrs

BWkCold desertWarmest monthJulyColdest monthJanuaryWettest monthMarchDriest monthAugust

Mean daily temperature

17.8°C

Average daily high

23.5°C

Average daily low

11.8°C

Annual rainfall

155mm

Sunshine / day

11.0h

Mean relative humidity

39%

Average peak wind

14.2km/h

Seasonal range

29.0°C

Frost days (< 0 °C)

50 d/yr

Hot days (≥ 30 °C)

133 d/yr

Rainy days (≥ 1 mm)

34 d/yr

Annual snowfall

12.3 cm

Average feels-like high

20.7 °C

Average feels-like low

9.0 °C

Average peak gust

31.9 km/h

Tropical nights (≥ 20 °C)

102 d/yr

Solar radiation

20.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+3.0 °C

since 1940

+0.4 °C per decade · r² = 0.51 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

44.2 °C

17 July 2003

Coldest day

-19.9 °C

8 February 1950

Wettest day

29 mm

8 March 1986

Windiest day

46.5 km/h

7 April 1964

Strongest gust

96.8 km/h

7 April 1964

Hottest feels-like

42.7 °C

27 July 2024

Coldest feels-like

-25.0 °C

8 February 1950

Snowiest day

11.6 cm

16 February 1976

Sunniest day

13.3 h

20 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	42.9 °C3 July 2025	-4.7 °C26 February 2025	20.0 °C	66 mm	157	30
2024	44.0 °C8 August 2024	-5.4 °C18 December 2024	19.5 °C	181 mm	140	23
2023	43.4 °C11 July 2023	-4.9 °C14 January 2023	19.9 °C	122 mm	144	31
2022	43.4 °C28 June 2022	-6.0 °C22 January 2022	19.7 °C	89 mm	153	25
2021	43.6 °C6 July 2021	-5.5 °C23 January 2021	19.9 °C	109 mm	152	30
2020	41.4 °C28 July 2020	-7.5 °C12 February 2020	18.4 °C	262 mm	134	39
2019	43.1 °C14 July 2019	-4.0 °C20 January 2019	18.9 °C	208 mm	147	21
2018	42.4 °C16 July 2018	-11.8 °C29 January 2018	19.7 °C	150 mm	132	22
2017	40.9 °C8 July 2017	-5.3 °C19 February 2017	19.0 °C	140 mm	144	44
2016	43.2 °C2 July 2016	-7.4 °C25 November 2016	19.6 °C	111 mm	152	39
2015	43.1 °C30 June 2015	-5.5 °C8 December 2015	19.6 °C	169 mm	149	31
2014	44.2 °C27 July 2014	-8.0 °C6 February 2014	19.5 °C	80 mm	152	32
2013	44.2 °C24 July 2013	-6.2 °C8 March 2013	19.5 °C	112 mm	144	39
2012	41.9 °C11 July 2012	-6.4 °C22 January 2012	18.7 °C	116 mm	148	45
2011	43.6 °C6 July 2011	-8.2 °C17 January 2011	18.9 °C	228 mm	141	47
2010	42.9 °C10 July 2010	-4.0 °C28 January 2010	20.4 °C	86 mm	148	14
2009	42.3 °C20 July 2009	-4.4 °C3 January 2009	19.1 °C	100 mm	127	22
2008	43.0 °C15 July 2008	-9.3 °C17 January 2008	19.2 °C	109 mm	157	49
2007	41.4 °C13 July 2007	-6.0 °C4 January 2007	18.9 °C	179 mm	139	35
2006	43.0 °C9 July 2006	-10.1 °C30 December 2006	19.5 °C	134 mm	150	37
2005	43.3 °C19 July 2005	-10.7 °C11 February 2005	19.2 °C	147 mm	142	36
2004	41.9 °C16 August 2004	-2.9 °C29 January 2004	18.9 °C	199 mm	131	29
2003	44.2 °C17 July 2003	-4.7 °C14 December 2003	18.8 °C	154 mm	134	26
2002	42.5 °C10 August 2002	-3.6 °C29 December 2002	19.3 °C	166 mm	153	35
2001	42.5 °C11 July 2001	-4.5 °C29 January 2001	19.5 °C	114 mm	142	18
2000	40.5 °C11 July 2000	-7.0 °C18 January 2000	18.7 °C	149 mm	154	40
1999	41.3 °C4 July 1999	-5.1 °C5 January 1999	18.9 °C	118 mm	142	20
1998	43.4 °C11 July 1998	-7.5 °C10 January 1998	18.7 °C	174 mm	143	40
1997	43.1 °C15 August 1997	-6.2 °C7 February 1997	18.8 °C	78 mm	139	33
1996	39.8 °C23 August 1996	-6.8 °C20 January 1996	17.9 °C	260 mm	133	25
1995	44.0 °C16 July 1995	-4.8 °C21 December 1995	18.8 °C	77 mm	124	32
1994	42.6 °C3 August 1994	-7.5 °C7 December 1994	18.4 °C	162 mm	122	36
1993	40.8 °C29 June 1993	-7.6 °C11 January 1993	17.5 °C	204 mm	131	43
1992	42.2 °C6 July 1992	-10.9 °C13 March 1992	16.6 °C	154 mm	110	64
1991	42.3 °C8 July 1991	-12.8 °C14 February 1991	18.0 °C	182 mm	124	47
1990	41.0 °C28 July 1990	-13.5 °C11 January 1990	18.2 °C	153 mm	149	58
1989	42.2 °C9 July 1989	-14.5 °C16 February 1989	17.6 °C	136 mm	133	81
1988	39.8 °C3 July 1988	-8.3 °C29 December 1988	17.2 °C	125 mm	124	64
1987	39.8 °C21 July 1987	-4.8 °C12 February 1987	16.9 °C	148 mm	127	45
1986	39.1 °C10 July 1986	-11.2 °C13 December 1986	15.7 °C	228 mm	123	78
1985	40.2 °C27 June 1985	-14.1 °C11 March 1985	16.4 °C	134 mm	129	72
1984	39.9 °C16 August 1984	-16.0 °C2 February 1984	15.9 °C	179 mm	114	82
1983	41.4 °C24 July 1983	-11.9 °C11 January 1983	16.3 °C	91 mm	128	88
1982	39.8 °C4 August 1982	-9.9 °C31 December 1982	15.7 °C	232 mm	126	94
1981	40.1 °C11 July 1981	-6.1 °C15 January 1981	16.7 °C	143 mm	114	56
1980	41.2 °C31 July 1980	-11.0 °C26 January 1980	17.7 °C	219 mm	140	57
1979	42.7 °C10 July 1979	-7.6 °C5 March 1979	17.7 °C	192 mm	126	50
1978	41.6 °C1 July 1978	-7.3 °C15 January 1978	18.0 °C	127 mm	136	42
1977	42.1 °C9 July 1977	-10.8 °C19 January 1977	18.4 °C	211 mm	140	49
1976	42.4 °C13 July 1976	-13.2 °C18 February 1976	17.2 °C	170 mm	126	58
1975	42.7 °C2 July 1975	-12.2 °C21 January 1975	17.3 °C	170 mm	131	72
1974	40.9 °C5 July 1974	-12.9 °C4 February 1974	16.5 °C	281 mm	131	76
1973	42.2 °C27 June 1973	-14.5 °C19 January 1973	17.6 °C	114 mm	135	66
1972	41.2 °C5 July 1972	-17.7 °C4 February 1972	16.2 °C	326 mm	127	77
1971	42.4 °C6 July 1971	-5.5 °C20 January 1971	18.3 °C	126 mm	137	43
1970	42.9 °C30 June 1970	-5.9 °C29 January 1970	18.8 °C	97 mm	145	42
1969	42.2 °C24 July 1969	-15.9 °C8 January 1969	16.6 °C	282 mm	128	62
1968	41.4 °C6 July 1968	-15.9 °C7 February 1968	17.5 °C	186 mm	127	41
1967	43.2 °C8 July 1967	-10.2 °C6 January 1967	17.2 °C	90 mm	122	66
1966	41.2 °C13 June 1966	-2.9 °C15 January 1966	18.3 °C	105 mm	129	22
1965	40.7 °C14 July 1965	-9.3 °C18 January 1965	17.2 °C	195 mm	133	61
1964	41.5 °C11 July 1964	-17.0 °C13 January 1964	15.9 °C	108 mm	134	88
1963	41.1 °C18 July 1963	-16.1 °C27 December 1963	17.7 °C	113 mm	121	46
1962	39.7 °C5 July 1962	-4.7 °C14 January 1962	16.9 °C	104 mm	120	54
1961	39.4 °C12 July 1961	-10.2 °C5 February 1961	16.6 °C	106 mm	132	82
1960	40.5 °C6 July 1960	-10.4 °C15 March 1960	16.7 °C	119 mm	128	66
1959	41.5 °C8 August 1959	-15.5 °C15 December 1959	16.4 °C	191 mm	131	95
1958	41.9 °C3 July 1958	-5.5 °C2 February 1958	17.9 °C	85 mm	130	48
1957	40.3 °C7 August 1957	-9.1 °C7 February 1957	15.3 °C	283 mm	117	80
1956	41.0 °C15 July 1956	-6.2 °C19 January 1956	16.4 °C	122 mm	125	65
1955	41.3 °C3 August 1955	-5.9 °C6 January 1955	17.9 °C	127 mm	123	34
1954	40.0 °C23 July 1954	-6.1 °C30 January 1954	16.8 °C	227 mm	123	46
1953	40.4 °C9 July 1953	-9.0 °C24 December 1953	16.8 °C	324 mm	112	59
1952	40.0 °C28 June 1952	-5.9 °C13 January 1952	17.2 °C	189 mm	115	52
1951	40.0 °C10 July 1951	-9.3 °C14 February 1951	17.0 °C	212 mm	136	56
1950	40.8 °C13 July 1950	-19.9 °C8 February 1950	16.3 °C	178 mm	117	60
1949	41.6 °C4 July 1949	-18.0 °C2 January 1949	15.6 °C	235 mm	122	79
1948	40.2 °C10 July 1948	-15.8 °C31 December 1948	16.5 °C	223 mm	134	59
1947	40.2 °C17 August 1947	-7.9 °C4 February 1947	17.7 °C	95 mm	117	49
1946	38.7 °C17 July 1946	-12.5 °C25 December 1946	16.9 °C	106 mm	135	63
1945	40.1 °C5 August 1945	-7.1 °C26 January 1945	16.7 °C	131 mm	118	78
1944	41.7 °C8 July 1944	-5.4 °C22 December 1944	18.0 °C	50 mm	131	60
1943	40.1 °C26 July 1943	-5.4 °C1 February 1943	16.9 °C	157 mm	124	68
1942	41.4 °C3 July 1942	-11.0 °C6 January 1942	18.2 °C	91 mm	142	44
1941	41.3 °C22 July 1941	-5.1 °C23 January 1941	18.3 °C	121 mm	138	56
1940	40.1 °C24 June 1940	-9.7 °C14 January 1940	17.3 °C	71 mm	126	61

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

26.0 °C

+2.5 °C

Hot days (≥ 30 °C)

157 d/yr

+24

Frost days (< 0 °C)

30 d/yr

-20

Annual rainfall

66 mm

-89 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	11.4 °C	+3.0 °C	8 mm	-15 mm
Feb	11.0 °C	-0.1 °C	11 mm	-12 mm
Mar	19.1 °C	+2.6 °C	27 mm	-4 mm
Apr	27.9 °C	+4.6 °C	7 mm	-11 mm
May	34.0 °C	+4.4 °C	2 mm	-6 mm
Jun	35.9 °C	+0.6 °C	2 mm	+0 mm
Jul	39.3 °C	+1.5 °C	0 mm	-0 mm
Aug	37.9 °C	+1.7 °C	0 mm	-0 mm
Sep	33.4 °C	+1.4 °C	0 mm	-1 mm
Oct	28.6 °C	+3.7 °C	0 mm	-7 mm
Nov	20.2 °C	+4.0 °C	0 mm	-19 mm
Dec	12.2 °C	+2.1 °C	10 mm	-13 mm

The year's extremes

Hottest day

42.9 °C

3 Jul 2025

Coldest day

-4.7 °C

26 Feb 2025

Wettest day

6.4 mm

21 Mar 2025

Windiest day

35.8 km/h

30 Dec 2025

Strongest gust

71.6 km/h

30 Dec 2025

Hottest feels-like

40.8 °C

1 Jul 2025

Coldest feels-like

-11.2 °C

25 Feb 2025

Snowiest day

1.8 cm

9 Feb 2025

Sunniest day

13.2 h

17 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Garmsār?

Garmsār has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 17.8 °C and it receives 155 mm of precipitation per year.

What is the hottest day ever recorded in Garmsār?

The hottest day measured in Garmsār between 1940 and 2025 was 17 July 2003, reaching 44.2 °C.

What is the coldest day in Garmsār?

The coldest day measured in Garmsār between 1940 and 2025 was 8 February 1950, at -19.9 °C.

Does it snow in Garmsār?

Yes. Garmsār gets on average 12.3 cm of snow per year and has around 50 frost days.

Has the climate of Garmsār warmed?

Yes: Garmsār warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Garmsār?

The wettest day measured in Garmsār between 1940 and 2025 was 8 March 1986, with 29 mm of rain in 24 hours.

What was the windiest day in Garmsār?

The windiest day measured in Garmsār between 1940 and 2025 was 7 April 1964, with winds reaching 46.5 km/h.

What is the warmest month in Garmsār?

The warmest month in Garmsār is July (32.1 °C on average); the coldest is January (3.1 °C).

How much does it rain in Garmsār?

Garmsār receives on average 155 mm of precipitation per year, spread over about 34 rainy days.

Is it sunny in Garmsār?

Garmsār gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.

What is the biggest single-day snowfall in Garmsār?

The heaviest 24-hour snowfall measured in Garmsār between 1940 and 2025 was 16 February 1976, with 11.6 cm.

Are there tropical nights in Garmsār?

Yes: Garmsār has on average 102 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Garmsār?

In Garmsār, between 1940 and 2025, the highest apparent temperature reached 42.7 °C on 27 July 2024, and the lowest was -25.0 °C on 8 February 1950.

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