Bolpur climate — normals and trends
Bolpur (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.9 °C and it receives 1,406 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 May (30.7 °C on average) and the coldest is January (18.0 °C). Rainfall peaks in July.
Bolpur averages 0 frost days, 233 hot days (≥ 30 °C) and 147 rainy days per year.
Bolpur has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 47.8 °C (on 29 May 1957) and the coldest 5.7 °C (on 9 January 2013).
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
BolpurWest Bengal
- coords
- 23.66°, 87.70°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.9°C
Average daily high
31.3°C
Average daily low
21.4°C
Annual rainfall
1,406mm
Sunshine / day
9.7h
Mean relative humidity
70%
Average peak wind
11.4km/h
Seasonal range
12.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
233 d/yr
Rainy days (≥ 1 mm)
147 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.6 °C
Average feels-like low
24.1 °C
Average peak gust
26.7 km/h
Tropical nights (≥ 20 °C)
234 d/yr
Solar radiation
17.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.26 · 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
47.8 °C
29 May 1957
Coldest day
5.7 °C
9 January 2013
Wettest day
139 mm
2 August 2024
Windiest day
41.0 km/h
25 May 2009
Strongest gust
98.6 km/h
25 May 2009
Hottest feels-like
49.5 °C
20 May 2002
Coldest feels-like
3.0 °C
31 January 1964
Sunniest day
13.0 h
13 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 | 24.7 °C | -0.1 °C | 0 mm | -14 mm |
| Feb | 29.3 °C | +1.1 °C | 19 mm | -3 mm |
| Mar | 33.5 °C | +0.1 °C | 15 mm | -13 mm |
| Apr | 35.6 °C | -1.2 °C | 81 mm | +24 mm |
| May | 35.4 °C | -1.2 °C | 156 mm | +24 mm |
| Jun | 34.1 °C | -0.4 °C | 231 mm | -5 mm |
| Jul | 31.9 °C | -0.4 °C | 500 mm | +196 mm |
| Aug | 32.2 °C | +0.1 °C | 265 mm | -8 mm |
| Sep | 33.3 °C | +1.5 °C | 247 mm | +28 mm |
| Oct | 32.5 °C | +1.5 °C | 97 mm | -0 mm |
| Nov | 28.9 °C | +0.2 °C | 1 mm | -14 mm |
| Dec | 24.0 °C | -1.6 °C | 0 mm | -10 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 Bolpur?
Bolpur has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 1,406 mm of precipitation per year.
What is the hottest day ever recorded in Bolpur?
The hottest day measured in Bolpur between 1940 and 2025 was 29 May 1957, reaching 47.8 °C.
What is the coldest day in Bolpur?
The coldest day measured in Bolpur between 1940 and 2025 was 9 January 2013, at 5.7 °C.
Does it snow in Bolpur?
Almost never: Bolpur sees virtually no snow, with about 0 frost days per year.
Has the climate of Bolpur warmed?
Yes: Bolpur warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bolpur?
The wettest day measured in Bolpur between 1940 and 2025 was 2 August 2024, with 139 mm of rain in 24 hours.
What was the windiest day in Bolpur?
The windiest day measured in Bolpur between 1940 and 2025 was 25 May 2009, with winds reaching 41.0 km/h.
What is the warmest month in Bolpur?
The warmest month in Bolpur is May (30.7 °C on average); the coldest is January (18.0 °C).
How much does it rain in Bolpur?
Bolpur receives on average 1,406 mm of precipitation per year, spread over about 147 rainy days.
Is it sunny in Bolpur?
Bolpur gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
Are there tropical nights in Bolpur?
Yes: Bolpur has on average 234 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bolpur?
In Bolpur, between 1940 and 2025, the highest apparent temperature reached 49.5 °C on 20 May 2002, and the lowest was 3.0 °C on 31 January 1964.
Compare Bolpur with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bolpur