Bandar-e Māhshahr climate — normals and trends
Bandar-e Māhshahr (Iran) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 261 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 (38.0 °C on average) and the coldest is January (12.8 °C). Rainfall peaks in December.
Bandar-e Māhshahr averages 0 frost days, 213 hot days (≥ 30 °C) and 28 rainy days per year.
Bandar-e Māhshahr has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The hottest day of the period reached 52.0 °C (on 11 July 2017) and the coldest -3.6 °C (on 20 January 1964).
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 MāhshahrKhuzestan
- coords
- 30.56°, 49.19°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
32.8°C
Average daily low
20.0°C
Annual rainfall
261mm
Sunshine / day
11.0h
Mean relative humidity
46%
Average peak wind
21.3km/h
Seasonal range
25.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
213 d/yr
Rainy days (≥ 1 mm)
28 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.0 °C
Average feels-like low
18.6 °C
Average peak gust
34.3 km/h
Tropical nights (≥ 20 °C)
191 d/yr
Solar radiation
20.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.44 · 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
52.0 °C
11 July 2017
Coldest day
-3.6 °C
20 January 1964
Wettest day
122 mm
24 November 1947
Windiest day
59.3 km/h
7 April 1957
Strongest gust
90.4 km/h
7 April 1957
Hottest feels-like
53.6 °C
30 July 2020
Coldest feels-like
-9.5 °C
20 January 1964
Sunniest day
13.1 h
26 June 1960
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 | 21.5 °C | +3.8 °C | 11 mm | -41 mm |
| Feb | 21.0 °C | +0.7 °C | 16 mm | -15 mm |
| Mar | 26.8 °C | +1.4 °C | 50 mm | +18 mm |
| Apr | 36.3 °C | +4.2 °C | 2 mm | -11 mm |
| May | 43.8 °C | +4.3 °C | 0 mm | -5 mm |
| Jun | 45.7 °C | +1.2 °C | 0 mm | 0 mm |
| Jul | 47.1 °C | +1.3 °C | 0 mm | -0 mm |
| Aug | 46.5 °C | +1.4 °C | 0 mm | -0 mm |
| Sep | 43.5 °C | +1.6 °C | 0 mm | -0 mm |
| Oct | 37.9 °C | +2.3 °C | 0 mm | -6 mm |
| Nov | 30.2 °C | +3.9 °C | 1 mm | -57 mm |
| Dec | 21.1 °C | +1.6 °C | 133 mm | +68 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 Māhshahr?
Bandar-e Māhshahr has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 261 mm of precipitation per year.
What is the hottest day ever recorded in Bandar-e Māhshahr?
The hottest day measured in Bandar-e Māhshahr between 1940 and 2025 was 11 July 2017, reaching 52.0 °C.
What is the coldest day in Bandar-e Māhshahr?
The coldest day measured in Bandar-e Māhshahr between 1940 and 2025 was 20 January 1964, at -3.6 °C.
Does it snow in Bandar-e Māhshahr?
Almost never: Bandar-e Māhshahr sees virtually no snow, with about 0 frost days per year.
Has the climate of Bandar-e Māhshahr warmed?
Yes: Bandar-e Māhshahr warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bandar-e Māhshahr?
The wettest day measured in Bandar-e Māhshahr between 1940 and 2025 was 24 November 1947, with 122 mm of rain in 24 hours.
What was the windiest day in Bandar-e Māhshahr?
The windiest day measured in Bandar-e Māhshahr between 1940 and 2025 was 7 April 1957, with winds reaching 59.3 km/h.
What is the warmest month in Bandar-e Māhshahr?
The warmest month in Bandar-e Māhshahr is July (38.0 °C on average); the coldest is January (12.8 °C).
How much does it rain in Bandar-e Māhshahr?
Bandar-e Māhshahr receives on average 261 mm of precipitation per year, spread over about 28 rainy days.
Is it sunny in Bandar-e Māhshahr?
Bandar-e Māhshahr gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
Are there tropical nights in Bandar-e Māhshahr?
Yes: Bandar-e Māhshahr has on average 191 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bandar-e Māhshahr?
In Bandar-e Māhshahr, between 1940 and 2025, the highest apparent temperature reached 53.6 °C on 30 July 2020, and the lowest was -9.5 °C on 20 January 1964.
Compare Bandar-e Māhshahr with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bandar-e Māhshahr