Chittaranjan climate — normals and trends
Chittaranjan (India) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 25.3 °C and it receives 1,299 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 (31.0 °C on average) and the coldest is January (17.2 °C). Rainfall peaks in July.
Chittaranjan averages 0 frost days, 213 hot days (≥ 30 °C) and 138 rainy days per year.
Chittaranjan has warmed by +0.8 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 48.1 °C (on 27 May 1944) and the coldest 5.4 °C (on 25 January 1953).
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
ChittaranjanWest Bengal
- coords
- 23.86°, 86.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.3°C
Average daily high
30.9°C
Average daily low
20.7°C
Annual rainfall
1,299mm
Sunshine / day
9.8h
Mean relative humidity
70%
Average peak wind
12.5km/h
Seasonal range
13.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
213 d/yr
Rainy days (≥ 1 mm)
138 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.8 °C
Average feels-like low
23.0 °C
Average peak gust
27.1 km/h
Tropical nights (≥ 20 °C)
222 d/yr
Solar radiation
17.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.20 · 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
48.1 °C
27 May 1944
Coldest day
5.4 °C
25 January 1953
Wettest day
182 mm
26 May 1949
Windiest day
41.0 km/h
4 June 1982
Strongest gust
91.1 km/h
25 May 2009
Hottest feels-like
49.5 °C
10 June 2015
Coldest feels-like
2.3 °C
25 December 1945
Sunniest day
13.0 h
14 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 24.5 °C | +0.2 °C | 0 mm | -16 mm |
| Feb | 29.1 °C | +1.3 °C | 12 mm | -10 mm |
| Mar | 33.9 °C | +0.7 °C | 17 mm | -9 mm |
| Apr | 36.8 °C | -0.4 °C | 47 mm | +7 mm |
| May | 35.9 °C | -1.4 °C | 122 mm | +27 mm |
| Jun | 33.6 °C | -1.0 °C | 233 mm | +15 mm |
| Jul | 31.1 °C | -0.4 °C | 503 mm | +210 mm |
| Aug | 31.4 °C | +0.2 °C | 318 mm | +55 mm |
| Sep | 32.3 °C | +1.2 °C | 239 mm | +23 mm |
| Oct | 31.4 °C | +1.2 °C | 83 mm | -5 mm |
| Nov | 28.1 °C | +0.2 °C | 1 mm | -15 mm |
| Dec | 23.4 °C | -1.5 °C | 0 mm | -9 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 Chittaranjan?
Chittaranjan has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 25.3 °C and it receives 1,299 mm of precipitation per year.
What is the hottest day ever recorded in Chittaranjan?
The hottest day measured in Chittaranjan between 1940 and 2025 was 27 May 1944, reaching 48.1 °C.
What is the coldest day in Chittaranjan?
The coldest day measured in Chittaranjan between 1940 and 2025 was 25 January 1953, at 5.4 °C.
Does it snow in Chittaranjan?
Almost never: Chittaranjan sees virtually no snow, with about 0 frost days per year.
Has the climate of Chittaranjan warmed?
Yes: Chittaranjan warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chittaranjan?
The wettest day measured in Chittaranjan between 1940 and 2025 was 26 May 1949, with 182 mm of rain in 24 hours.
What was the windiest day in Chittaranjan?
The windiest day measured in Chittaranjan between 1940 and 2025 was 4 June 1982, with winds reaching 41.0 km/h.
What is the warmest month in Chittaranjan?
The warmest month in Chittaranjan is May (31.0 °C on average); the coldest is January (17.2 °C).
How much does it rain in Chittaranjan?
Chittaranjan receives on average 1,299 mm of precipitation per year, spread over about 138 rainy days.
Is it sunny in Chittaranjan?
Chittaranjan gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
Are there tropical nights in Chittaranjan?
Yes: Chittaranjan has on average 222 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chittaranjan?
In Chittaranjan, between 1940 and 2025, the highest apparent temperature reached 49.5 °C on 10 June 2015, and the lowest was 2.3 °C on 25 December 1945.
Compare Chittaranjan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chittaranjan