Bahādurganj climate — normals and trends
Bahādurganj (India) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 24.6 °C and it receives 2,222 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 June (28.3 °C on average) and the coldest is January (16.8 °C). Rainfall peaks in July.
Bahādurganj averages 0 frost days, 202 hot days (≥ 30 °C) and 163 rainy days per year.
Bahādurganj has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 45.6 °C (on 26 May 1957) and the coldest 3.6 °C (on 31 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
BahādurganjBihar
- coords
- 26.26°, 87.82°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.6°C
Average daily high
30.1°C
Average daily low
20.2°C
Annual rainfall
2,222mm
Sunshine / day
9.3h
Mean relative humidity
73%
Average peak wind
13.5km/h
Seasonal range
11.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
202 d/yr
Rainy days (≥ 1 mm)
163 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.2 °C
Average feels-like low
22.2 °C
Average peak gust
28.1 km/h
Tropical nights (≥ 20 °C)
215 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.48 · 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
45.6 °C
26 May 1957
Coldest day
3.6 °C
31 January 1964
Wettest day
211 mm
24 September 2023
Windiest day
45.7 km/h
24 March 1992
Strongest gust
91.4 km/h
28 May 1989
Hottest feels-like
49.3 °C
26 May 1957
Coldest feels-like
-0.3 °C
31 January 1964
Sunniest day
13.2 h
6 June 1944
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 | 23.8 °C | -0.2 °C | 1 mm | -13 mm |
| Feb | 26.9 °C | 0.0 °C | 7 mm | -8 mm |
| Mar | 31.9 °C | -0.3 °C | 18 mm | -10 mm |
| Apr | 32.7 °C | -1.8 °C | 163 mm | +78 mm |
| May | 32.3 °C | -0.6 °C | 277 mm | +72 mm |
| Jun | 33.6 °C | +1.7 °C | 272 mm | -146 mm |
| Jul | 33.4 °C | +2.0 °C | 392 mm | -123 mm |
| Aug | 32.7 °C | +1.1 °C | 600 mm | +144 mm |
| Sep | 33.3 °C | +2.1 °C | 395 mm | +41 mm |
| Oct | 31.7 °C | +1.3 °C | 318 mm | +199 mm |
| Nov | 29.5 °C | +1.0 °C | 35 mm | +26 mm |
| Dec | 24.5 °C | -0.9 °C | 0 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 Bahādurganj?
Bahādurganj has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 24.6 °C and it receives 2,222 mm of precipitation per year.
What is the hottest day ever recorded in Bahādurganj?
The hottest day measured in Bahādurganj between 1940 and 2025 was 26 May 1957, reaching 45.6 °C.
What is the coldest day in Bahādurganj?
The coldest day measured in Bahādurganj between 1940 and 2025 was 31 January 1964, at 3.6 °C.
Does it snow in Bahādurganj?
Almost never: Bahādurganj sees virtually no snow, with about 0 frost days per year.
Has the climate of Bahādurganj warmed?
Yes: Bahādurganj warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bahādurganj?
The wettest day measured in Bahādurganj between 1940 and 2025 was 24 September 2023, with 211 mm of rain in 24 hours.
What was the windiest day in Bahādurganj?
The windiest day measured in Bahādurganj between 1940 and 2025 was 24 March 1992, with winds reaching 45.7 km/h.
What is the warmest month in Bahādurganj?
The warmest month in Bahādurganj is June (28.3 °C on average); the coldest is January (16.8 °C).
How much does it rain in Bahādurganj?
Bahādurganj receives on average 2,222 mm of precipitation per year, spread over about 163 rainy days.
Is it sunny in Bahādurganj?
Bahādurganj gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
Are there tropical nights in Bahādurganj?
Yes: Bahādurganj has on average 215 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bahādurganj?
In Bahādurganj, between 1940 and 2025, the highest apparent temperature reached 49.3 °C on 26 May 1957, and the lowest was -0.3 °C on 31 January 1964.
Compare Bahādurganj with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bahādurganj