Rasht climate — normals and trends
Rasht (Iran) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.9 °C and it receives 1,446 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 (24.3 °C on average) and the coldest is January (5.1 °C). Rainfall peaks in October.
Rasht averages 30 frost days, 30 hot days (≥ 30 °C) and 146 rainy days per year.
Rasht has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 44 to 16 per year over the period.
The hottest day of the period reached 37.2 °C (on 4 September 2022) and the coldest -13.9 °C (on 17 January 2008).
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
RashtGilan Province
- coords
- 37.28°, 49.59°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.9°C
Average daily high
19.5°C
Average daily low
10.9°C
Annual rainfall
1,446mm
Sunshine / day
9.1h
Mean relative humidity
80%
Average peak wind
11.3km/h
Seasonal range
19.2°C
Frost days (< 0 °C)
30 d/yr
Hot days (≥ 30 °C)
30 d/yr
Rainy days (≥ 1 mm)
146 d/yr
Annual snowfall
57.8 cm
Average feels-like high
20.2 °C
Average feels-like low
10.0 °C
Average peak gust
26.7 km/h
Tropical nights (≥ 20 °C)
39 d/yr
Solar radiation
15.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.51 · p = < 0.001
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
37.2 °C
4 September 2022
Coldest day
-13.9 °C
17 January 2008
Wettest day
99 mm
14 October 1942
Windiest day
41.0 km/h
11 November 1995
Strongest gust
72.7 km/h
3 November 2014
Hottest feels-like
42.9 °C
12 August 2003
Coldest feels-like
-19.7 °C
14 January 1940
Snowiest day
30.8 cm
3 February 1968
Sunniest day
14.0 h
25 June 1940
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?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 12.9 °C | +2.7 °C | 102 mm | -15 mm |
| Feb | 9.8 °C | -1.1 °C | 227 mm | +112 mm |
| Mar | 17.0 °C | +3.3 °C | 120 mm | -0 mm |
| Apr | 21.0 °C | +2.7 °C | 88 mm | +7 mm |
| May | 23.8 °C | +1.1 °C | 27 mm | -38 mm |
| Jun | 27.9 °C | +1.3 °C | 31 mm | -34 mm |
| Jul | 31.5 °C | +2.8 °C | 35 mm | -39 mm |
| Aug | 31.7 °C | +3.1 °C | 51 mm | -53 mm |
| Sep | 25.8 °C | +0.8 °C | 272 mm | +98 mm |
| Oct | 23.0 °C | +2.1 °C | 140 mm | -75 mm |
| Nov | 20.2 °C | +3.7 °C | 17 mm | -166 mm |
| Dec | 14.2 °C | +1.8 °C | 205 mm | +70 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Rasht?
Rasht has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.9 °C and it receives 1,446 mm of precipitation per year.
What is the hottest day ever recorded in Rasht?
The hottest day measured in Rasht between 1940 and 2025 was 4 September 2022, reaching 37.2 °C.
What is the coldest day in Rasht?
The coldest day measured in Rasht between 1940 and 2025 was 17 January 2008, at -13.9 °C.
Does it snow in Rasht?
Yes. Rasht gets on average 57.8 cm of snow per year and has around 30 frost days.
Has the climate of Rasht warmed?
Yes: Rasht warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rasht?
The wettest day measured in Rasht between 1940 and 2025 was 14 October 1942, with 99 mm of rain in 24 hours.
What was the windiest day in Rasht?
The windiest day measured in Rasht between 1940 and 2025 was 11 November 1995, with winds reaching 41.0 km/h.
What is the warmest month in Rasht?
The warmest month in Rasht is July (24.3 °C on average); the coldest is January (5.1 °C).
How much does it rain in Rasht?
Rasht receives on average 1,446 mm of precipitation per year, spread over about 146 rainy days.
Is it sunny in Rasht?
Rasht gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Rasht?
The heaviest 24-hour snowfall measured in Rasht between 1940 and 2025 was 3 February 1968, with 30.8 cm.
Are there tropical nights in Rasht?
Yes: Rasht has on average 39 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rasht?
In Rasht, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 12 August 2003, and the lowest was -19.7 °C on 14 January 1940.
Compare Rasht with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rasht