Rajauli climate — normals and trends
Rajauli (India) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 25.4 °C and it receives 1,096 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 (32.6 °C on average) and the coldest is January (16.4 °C). Rainfall peaks in July.
Rajauli averages 0 frost days, 213 hot days (≥ 30 °C) and 121 rainy days per year.
Rajauli has warmed by +0.6 °C between 1940 and 2025, or +0.07 °C per decade. This trend is statistically significant.
The hottest day of the period reached 46.9 °C (on 26 May 1944) and the coldest 3.4 °C (on 10 January 2003).
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
RajauliBihar
- coords
- 24.64°, 85.50°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.4°C
Average daily high
31.0°C
Average daily low
20.7°C
Annual rainfall
1,096mm
Sunshine / day
10.2h
Mean relative humidity
64%
Average peak wind
13.4km/h
Seasonal range
16.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
213 d/yr
Rainy days (≥ 1 mm)
121 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.2 °C
Average feels-like low
22.3 °C
Average peak gust
29.4 km/h
Tropical nights (≥ 20 °C)
218 d/yr
Solar radiation
18.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.6 °C
since 1940
+0.1 °C per decade · r² = 0.09 · p = 0.006
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
46.9 °C
26 May 1944
Coldest day
3.4 °C
10 January 2003
Wettest day
191 mm
30 September 1971
Windiest day
39.2 km/h
8 August 1979
Strongest gust
80.6 km/h
8 August 1979
Hottest feels-like
49.2 °C
29 May 2024
Coldest feels-like
0.8 °C
10 January 2003
Sunniest day
13.0 h
30 May 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 | 22.1 °C | -1.0 °C | 0 mm | -20 mm |
| Feb | 28.3 °C | +1.5 °C | 0 mm | -18 mm |
| Mar | 32.8 °C | -0.1 °C | 10 mm | -5 mm |
| Apr | 36.5 °C | -1.3 °C | 32 mm | +13 mm |
| May | 36.0 °C | -3.0 °C | 74 mm | +36 mm |
| Jun | 34.9 °C | -1.3 °C | 189 mm | +36 mm |
| Jul | 31.9 °C | -0.1 °C | 382 mm | +91 mm |
| Aug | 31.6 °C | +0.2 °C | 371 mm | +111 mm |
| Sep | 32.5 °C | +1.4 °C | 201 mm | +7 mm |
| Oct | 30.4 °C | +0.3 °C | 126 mm | +56 mm |
| Nov | 26.9 °C | -0.5 °C | 4 mm | -5 mm |
| Dec | 21.6 °C | -2.5 °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 Rajauli?
Rajauli has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 25.4 °C and it receives 1,096 mm of precipitation per year.
What is the hottest day ever recorded in Rajauli?
The hottest day measured in Rajauli between 1940 and 2025 was 26 May 1944, reaching 46.9 °C.
What is the coldest day in Rajauli?
The coldest day measured in Rajauli between 1940 and 2025 was 10 January 2003, at 3.4 °C.
Does it snow in Rajauli?
Almost never: Rajauli sees virtually no snow, with about 0 frost days per year.
Has the climate of Rajauli warmed?
Yes: Rajauli warmed by +0.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rajauli?
The wettest day measured in Rajauli between 1940 and 2025 was 30 September 1971, with 191 mm of rain in 24 hours.
What was the windiest day in Rajauli?
The windiest day measured in Rajauli between 1940 and 2025 was 8 August 1979, with winds reaching 39.2 km/h.
What is the warmest month in Rajauli?
The warmest month in Rajauli is May (32.6 °C on average); the coldest is January (16.4 °C).
How much does it rain in Rajauli?
Rajauli receives on average 1,096 mm of precipitation per year, spread over about 121 rainy days.
Is it sunny in Rajauli?
Rajauli gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Rajauli?
Yes: Rajauli has on average 218 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rajauli?
In Rajauli, between 1940 and 2025, the highest apparent temperature reached 49.2 °C on 29 May 2024, and the lowest was 0.8 °C on 10 January 2003.
Compare Rajauli with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rajauli