Sonepur climate — normals and trends
Sonepur (India) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 25.7 °C and it receives 1,175 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 (31.9 °C on average) and the coldest is January (16.5 °C). Rainfall peaks in July.
Sonepur averages 0 frost days, 225 hot days (≥ 30 °C) and 118 rainy days per year.
Sonepur 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 46.3 °C (on 26 May 1957) and the coldest 4.1 °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
SonepurBihar
- coords
- 25.70°, 85.17°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.7°C
Average daily high
31.2°C
Average daily low
21.2°C
Annual rainfall
1,175mm
Sunshine / day
10.1h
Mean relative humidity
68%
Average peak wind
15.0km/h
Seasonal range
15.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
225 d/yr
Rainy days (≥ 1 mm)
118 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.7 °C
Average feels-like low
23.2 °C
Average peak gust
30.1 km/h
Tropical nights (≥ 20 °C)
223 d/yr
Solar radiation
18.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.19 · 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
46.3 °C
26 May 1957
Coldest day
4.1 °C
9 January 2013
Wettest day
272 mm
30 June 1996
Windiest day
53.2 km/h
19 June 2018
Strongest gust
84.2 km/h
10 November 1995
Hottest feels-like
50.1 °C
18 June 2005
Coldest feels-like
1.3 °C
9 January 2013
Sunniest day
13.0 h
31 May 1979
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 | 21.6 °C | -1.4 °C | 0 mm | -18 mm |
| Feb | 27.5 °C | +1.0 °C | 0 mm | -17 mm |
| Mar | 32.6 °C | -0.1 °C | 7 mm | -9 mm |
| Apr | 36.0 °C | -1.4 °C | 37 mm | +18 mm |
| May | 36.4 °C | -1.7 °C | 51 mm | +11 mm |
| Jun | 36.0 °C | -0.1 °C | 126 mm | -37 mm |
| Jul | 33.8 °C | +1.3 °C | 259 mm | -67 mm |
| Aug | 32.7 °C | +0.5 °C | 313 mm | +36 mm |
| Sep | 33.2 °C | +1.5 °C | 224 mm | +15 mm |
| Oct | 30.8 °C | 0.0 °C | 266 mm | +194 mm |
| Nov | 28.2 °C | -0.2 °C | 0 mm | -8 mm |
| Dec | 21.9 °C | -2.7 °C | 0 mm | -8 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 Sonepur?
Sonepur has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 25.7 °C and it receives 1,175 mm of precipitation per year.
What is the hottest day ever recorded in Sonepur?
The hottest day measured in Sonepur between 1940 and 2025 was 26 May 1957, reaching 46.3 °C.
What is the coldest day in Sonepur?
The coldest day measured in Sonepur between 1940 and 2025 was 9 January 2013, at 4.1 °C.
Does it snow in Sonepur?
Almost never: Sonepur sees virtually no snow, with about 0 frost days per year.
Has the climate of Sonepur warmed?
Yes: Sonepur warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sonepur?
The wettest day measured in Sonepur between 1940 and 2025 was 30 June 1996, with 272 mm of rain in 24 hours.
What was the windiest day in Sonepur?
The windiest day measured in Sonepur between 1940 and 2025 was 19 June 2018, with winds reaching 53.2 km/h.
What is the warmest month in Sonepur?
The warmest month in Sonepur is May (31.9 °C on average); the coldest is January (16.5 °C).
How much does it rain in Sonepur?
Sonepur receives on average 1,175 mm of precipitation per year, spread over about 118 rainy days.
Is it sunny in Sonepur?
Sonepur gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Sonepur?
Yes: Sonepur has on average 223 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sonepur?
In Sonepur, between 1940 and 2025, the highest apparent temperature reached 50.1 °C on 18 June 2005, and the lowest was 1.3 °C on 9 January 2013.
Compare Sonepur with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sonepur