Chas climate — normals and trends
Chas (India) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 25.0 °C and it receives 1,227 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 (31.5 °C on average) and the coldest is January (16.8 °C). Rainfall peaks in July.
Chas averages 0 frost days, 203 hot days (≥ 30 °C) and 133 rainy days per year.
Chas has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 47.8 °C (on 27 May 1944) and the coldest 4.2 °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
ChasJharkhand
- coords
- 23.64°, 86.17°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.0°C
Average daily high
30.9°C
Average daily low
20.1°C
Annual rainfall
1,227mm
Sunshine / day
9.9h
Mean relative humidity
68%
Average peak wind
12.4km/h
Seasonal range
14.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
203 d/yr
Rainy days (≥ 1 mm)
133 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.3 °C
Average feels-like low
22.1 °C
Average peak gust
27.5 km/h
Tropical nights (≥ 20 °C)
213 d/yr
Solar radiation
18.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.19 · 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
47.8 °C
27 May 1944
Coldest day
4.2 °C
25 January 1953
Wettest day
194 mm
13 August 2002
Windiest day
50.9 km/h
1 October 1959
Strongest gust
80.6 km/h
1 October 1959
Hottest feels-like
49.2 °C
30 May 2024
Coldest feels-like
1.4 °C
25 December 1945
Sunniest day
13.0 h
9 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 | 24.6 °C | +0.4 °C | 0 mm | -18 mm |
| Feb | 29.9 °C | +2.1 °C | 9 mm | -11 mm |
| Mar | 34.3 °C | +1.1 °C | 16 mm | -5 mm |
| Apr | 37.0 °C | -0.6 °C | 45 mm | +21 mm |
| May | 35.8 °C | -2.5 °C | 84 mm | +24 mm |
| Jun | 33.6 °C | -1.4 °C | 282 mm | +83 mm |
| Jul | 30.7 °C | -0.5 °C | 464 mm | +162 mm |
| Aug | 30.9 °C | +0.2 °C | 317 mm | +46 mm |
| Sep | 31.9 °C | +1.2 °C | 221 mm | +11 mm |
| Oct | 30.8 °C | +0.9 °C | 70 mm | -8 mm |
| Nov | 27.6 °C | 0.0 °C | 1 mm | -13 mm |
| Dec | 23.3 °C | -1.4 °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 Chas?
Chas has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 25.0 °C and it receives 1,227 mm of precipitation per year.
What is the hottest day ever recorded in Chas?
The hottest day measured in Chas between 1940 and 2025 was 27 May 1944, reaching 47.8 °C.
What is the coldest day in Chas?
The coldest day measured in Chas between 1940 and 2025 was 25 January 1953, at 4.2 °C.
Does it snow in Chas?
Almost never: Chas sees virtually no snow, with about 0 frost days per year.
Has the climate of Chas warmed?
Yes: Chas warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chas?
The wettest day measured in Chas between 1940 and 2025 was 13 August 2002, with 194 mm of rain in 24 hours.
What was the windiest day in Chas?
The windiest day measured in Chas between 1940 and 2025 was 1 October 1959, with winds reaching 50.9 km/h.
What is the warmest month in Chas?
The warmest month in Chas is May (31.5 °C on average); the coldest is January (16.8 °C).
How much does it rain in Chas?
Chas receives on average 1,227 mm of precipitation per year, spread over about 133 rainy days.
Is it sunny in Chas?
Chas gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
Are there tropical nights in Chas?
Yes: Chas has on average 213 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chas?
In Chas, between 1940 and 2025, the highest apparent temperature reached 49.2 °C on 30 May 2024, and the lowest was 1.4 °C on 25 December 1945.
Compare Chas with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chas