Māsāl climate — normals and trends
Māsāl (Iran) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.2 °C and it receives 1,506 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 (22.6 °C on average) and the coldest is January (3.0 °C). Rainfall peaks in October.
Māsāl averages 48 frost days, 14 hot days (≥ 30 °C) and 155 rainy days per year.
Māsāl has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 68 to 28 per year over the period.
The hottest day of the period reached 35.6 °C (on 7 September 2017) and the coldest -16.6 °C (on 14 January 1940).
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
MāsālGilan Province
- coords
- 37.36°, 49.13°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.2°C
Average daily high
17.8°C
Average daily low
9.1°C
Annual rainfall
1,506mm
Sunshine / day
9.1h
Mean relative humidity
80%
Average peak wind
10.1km/h
Seasonal range
19.6°C
Frost days (< 0 °C)
48 d/yr
Hot days (≥ 30 °C)
14 d/yr
Rainy days (≥ 1 mm)
155 d/yr
Annual snowfall
114.0 cm
Average feels-like high
18.2 °C
Average feels-like low
7.8 °C
Average peak gust
27.4 km/h
Tropical nights (≥ 20 °C)
13 d/yr
Solar radiation
15.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.3 °C per decade · r² = 0.53 · 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
35.6 °C
7 September 2017
Coldest day
-16.6 °C
14 January 1940
Wettest day
100 mm
4 October 1965
Windiest day
29.3 km/h
11 November 1995
Strongest gust
71.6 km/h
24 March 2021
Hottest feels-like
40.4 °C
29 August 2006
Coldest feels-like
-22.9 °C
14 January 1940
Snowiest day
41.8 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 | 11.3 °C | +3.3 °C | 102 mm | -15 mm |
| Feb | 7.9 °C | -0.9 °C | 220 mm | +104 mm |
| Mar | 15.6 °C | +3.6 °C | 119 mm | -7 mm |
| Apr | 20.0 °C | +3.0 °C | 99 mm | +6 mm |
| May | 22.6 °C | +1.3 °C | 37 mm | -42 mm |
| Jun | 25.8 °C | +1.0 °C | 37 mm | -31 mm |
| Jul | 29.8 °C | +2.8 °C | 33 mm | -41 mm |
| Aug | 30.2 °C | +3.3 °C | 58 mm | -47 mm |
| Sep | 24.2 °C | +0.7 °C | 279 mm | +97 mm |
| Oct | 21.8 °C | +2.4 °C | 152 mm | -71 mm |
| Nov | 19.1 °C | +4.2 °C | 21 mm | -167 mm |
| Dec | 12.6 °C | +2.3 °C | 189 mm | +53 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 Māsāl?
Māsāl has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.2 °C and it receives 1,506 mm of precipitation per year.
What is the hottest day ever recorded in Māsāl?
The hottest day measured in Māsāl between 1940 and 2025 was 7 September 2017, reaching 35.6 °C.
What is the coldest day in Māsāl?
The coldest day measured in Māsāl between 1940 and 2025 was 14 January 1940, at -16.6 °C.
Does it snow in Māsāl?
Yes. Māsāl gets on average 114.0 cm of snow per year and has around 48 frost days.
Has the climate of Māsāl warmed?
Yes: Māsāl warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Māsāl?
The wettest day measured in Māsāl between 1940 and 2025 was 4 October 1965, with 100 mm of rain in 24 hours.
What was the windiest day in Māsāl?
The windiest day measured in Māsāl between 1940 and 2025 was 11 November 1995, with winds reaching 29.3 km/h.
What is the warmest month in Māsāl?
The warmest month in Māsāl is July (22.6 °C on average); the coldest is January (3.0 °C).
How much does it rain in Māsāl?
Māsāl receives on average 1,506 mm of precipitation per year, spread over about 155 rainy days.
Is it sunny in Māsāl?
Māsāl 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 Māsāl?
The heaviest 24-hour snowfall measured in Māsāl between 1940 and 2025 was 3 February 1968, with 41.8 cm.
Are there tropical nights in Māsāl?
Yes: Māsāl has on average 13 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Māsāl?
In Māsāl, between 1940 and 2025, the highest apparent temperature reached 40.4 °C on 29 August 2006, and the lowest was -22.9 °C on 14 January 1940.
Compare Māsāl with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Māsāl