Bandar-e Gaz climate — normals and trends
Bandar-e Gaz (Iran) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.1 °C and it receives 872 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 August (23.5 °C on average) and the coldest is January (4.2 °C). Rainfall peaks in March.
Bandar-e Gaz averages 30 frost days, 5 hot days (≥ 30 °C) and 129 rainy days per year.
Bandar-e Gaz has warmed by +2.7 °C between 1940 and 2025, or +0.31 °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 35.0 °C (on 30 May 2015) and the coldest -13.4 °C (on 21 December 1948).
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
Bandar-e GazGolestan
- coords
- 36.77°, 53.95°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.1°C
Average daily high
17.7°C
Average daily low
11.0°C
Annual rainfall
872mm
Sunshine / day
10.1h
Mean relative humidity
78%
Average peak wind
10.4km/h
Seasonal range
19.3°C
Frost days (< 0 °C)
30 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
129 d/yr
Annual snowfall
63.6 cm
Average feels-like high
18.1 °C
Average feels-like low
10.1 °C
Average peak gust
26.6 km/h
Tropical nights (≥ 20 °C)
52 d/yr
Solar radiation
16.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.57 · 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
35.0 °C
30 May 2015
Coldest day
-13.4 °C
21 December 1948
Wettest day
90 mm
18 March 2019
Windiest day
33.2 km/h
18 March 2019
Strongest gust
81.7 km/h
5 March 2012
Hottest feels-like
40.2 °C
3 August 2011
Coldest feels-like
-19.0 °C
21 December 1948
Snowiest day
19.0 cm
26 February 1944
Sunniest day
13.4 h
18 June 2000
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 | 9.9 °C | +1.6 °C | 29 mm | -32 mm |
| Feb | 7.6 °C | -1.2 °C | 69 mm | -0 mm |
| Mar | 14.8 °C | +3.0 °C | 74 mm | -20 mm |
| Apr | 20.3 °C | +3.5 °C | 59 mm | -33 mm |
| May | 23.0 °C | +2.1 °C | 49 mm | -42 mm |
| Jun | 24.4 °C | +0.4 °C | 40 mm | -14 mm |
| Jul | 27.4 °C | +1.5 °C | 22 mm | -20 mm |
| Aug | 29.3 °C | +2.8 °C | 22 mm | -31 mm |
| Sep | 24.7 °C | +0.8 °C | 84 mm | +4 mm |
| Oct | 22.4 °C | +2.6 °C | 56 mm | -36 mm |
| Nov | 18.5 °C | +3.7 °C | 10 mm | -69 mm |
| Dec | 12.1 °C | +1.6 °C | 65 mm | -1 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 Bandar-e Gaz?
Bandar-e Gaz has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.1 °C and it receives 872 mm of precipitation per year.
What is the hottest day ever recorded in Bandar-e Gaz?
The hottest day measured in Bandar-e Gaz between 1940 and 2025 was 30 May 2015, reaching 35.0 °C.
What is the coldest day in Bandar-e Gaz?
The coldest day measured in Bandar-e Gaz between 1940 and 2025 was 21 December 1948, at -13.4 °C.
Does it snow in Bandar-e Gaz?
Yes. Bandar-e Gaz gets on average 63.6 cm of snow per year and has around 30 frost days.
Has the climate of Bandar-e Gaz warmed?
Yes: Bandar-e Gaz warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bandar-e Gaz?
The wettest day measured in Bandar-e Gaz between 1940 and 2025 was 18 March 2019, with 90 mm of rain in 24 hours.
What was the windiest day in Bandar-e Gaz?
The windiest day measured in Bandar-e Gaz between 1940 and 2025 was 18 March 2019, with winds reaching 33.2 km/h.
What is the warmest month in Bandar-e Gaz?
The warmest month in Bandar-e Gaz is August (23.5 °C on average); the coldest is January (4.2 °C).
How much does it rain in Bandar-e Gaz?
Bandar-e Gaz receives on average 872 mm of precipitation per year, spread over about 129 rainy days.
Is it sunny in Bandar-e Gaz?
Bandar-e Gaz gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
What is the biggest single-day snowfall in Bandar-e Gaz?
The heaviest 24-hour snowfall measured in Bandar-e Gaz between 1940 and 2025 was 26 February 1944, with 19.0 cm.
Are there tropical nights in Bandar-e Gaz?
Yes: Bandar-e Gaz has on average 52 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bandar-e Gaz?
In Bandar-e Gaz, between 1940 and 2025, the highest apparent temperature reached 40.2 °C on 3 August 2011, and the lowest was -19.0 °C on 21 December 1948.
Compare Bandar-e Gaz with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bandar-e Gaz