Islāmpur climate — normals and trends
Islāmpur (India) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 24.5 °C and it receives 2,512 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 (28.1 °C on average) and the coldest is January (17.0 °C). Rainfall peaks in July.
Islāmpur averages 0 frost days, 188 hot days (≥ 30 °C) and 173 rainy days per year.
Islāmpur has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 45.2 °C (on 26 May 1957) and the coldest 4.3 °C (on 19 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
IslāmpurWest Bengal
- coords
- 26.27°, 88.19°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.5°C
Average daily high
29.8°C
Average daily low
20.1°C
Annual rainfall
2,512mm
Sunshine / day
9.1h
Mean relative humidity
74%
Average peak wind
12.7km/h
Seasonal range
11.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
188 d/yr
Rainy days (≥ 1 mm)
173 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.1 °C
Average feels-like low
22.2 °C
Average peak gust
27.2 km/h
Tropical nights (≥ 20 °C)
214 d/yr
Solar radiation
16.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.47 · 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
45.2 °C
26 May 1957
Coldest day
4.3 °C
19 January 1964
Wettest day
349 mm
13 August 1987
Windiest day
47.4 km/h
26 May 2009
Strongest gust
100.1 km/h
28 May 1989
Hottest feels-like
49.8 °C
26 May 1957
Coldest feels-like
0.7 °C
19 January 1964
Sunniest day
13.3 h
10 June 1972
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 | 24.1 °C | 0.0 °C | 1 mm | -14 mm |
| Feb | 26.9 °C | -0.2 °C | 11 mm | -5 mm |
| Mar | 31.4 °C | -0.6 °C | 21 mm | -16 mm |
| Apr | 32.1 °C | -1.6 °C | 147 mm | +40 mm |
| May | 31.6 °C | -0.3 °C | 399 mm | +125 mm |
| Jun | 33.4 °C | +2.0 °C | 318 mm | -181 mm |
| Jul | 33.2 °C | +2.0 °C | 392 mm | -160 mm |
| Aug | 32.4 °C | +1.1 °C | 486 mm | -2 mm |
| Sep | 33.2 °C | +2.3 °C | 433 mm | +64 mm |
| Oct | 31.6 °C | +1.5 °C | 308 mm | +166 mm |
| Nov | 29.4 °C | +1.1 °C | 53 mm | +41 mm |
| Dec | 24.6 °C | -0.9 °C | 1 mm | -5 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 Islāmpur?
Islāmpur has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 24.5 °C and it receives 2,512 mm of precipitation per year.
What is the hottest day ever recorded in Islāmpur?
The hottest day measured in Islāmpur between 1940 and 2025 was 26 May 1957, reaching 45.2 °C.
What is the coldest day in Islāmpur?
The coldest day measured in Islāmpur between 1940 and 2025 was 19 January 1964, at 4.3 °C.
Does it snow in Islāmpur?
Almost never: Islāmpur sees virtually no snow, with about 0 frost days per year.
Has the climate of Islāmpur warmed?
Yes: Islāmpur warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Islāmpur?
The wettest day measured in Islāmpur between 1940 and 2025 was 13 August 1987, with 349 mm of rain in 24 hours.
What was the windiest day in Islāmpur?
The windiest day measured in Islāmpur between 1940 and 2025 was 26 May 2009, with winds reaching 47.4 km/h.
What is the warmest month in Islāmpur?
The warmest month in Islāmpur is August (28.1 °C on average); the coldest is January (17.0 °C).
How much does it rain in Islāmpur?
Islāmpur receives on average 2,512 mm of precipitation per year, spread over about 173 rainy days.
Is it sunny in Islāmpur?
Islāmpur gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
Are there tropical nights in Islāmpur?
Yes: Islāmpur has on average 214 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Islāmpur?
In Islāmpur, between 1940 and 2025, the highest apparent temperature reached 49.8 °C on 26 May 1957, and the lowest was 0.7 °C on 19 January 1964.
Compare Islāmpur with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Islāmpur