Dumka climate — normals and trends
Dumka (India) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 25.1 °C and it receives 1,301 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 (30.3 °C on average) and the coldest is January (17.0 °C). Rainfall peaks in July.
Dumka averages 0 frost days, 201 hot days (≥ 30 °C) and 144 rainy days per year.
Dumka has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 47.5 °C (on 27 May 1944) and the coldest 5.0 °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
DumkaJharkhand
- coords
- 24.27°, 87.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.1°C
Average daily high
30.5°C
Average daily low
20.8°C
Annual rainfall
1,301mm
Sunshine / day
9.7h
Mean relative humidity
70%
Average peak wind
13.2km/h
Seasonal range
13.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
201 d/yr
Rainy days (≥ 1 mm)
144 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.1 °C
Average feels-like low
22.8 °C
Average peak gust
28.3 km/h
Tropical nights (≥ 20 °C)
225 d/yr
Solar radiation
17.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.16 · 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
47.5 °C
27 May 1944
Coldest day
5.0 °C
9 January 2013
Wettest day
188 mm
9 September 2009
Windiest day
44.8 km/h
26 May 2009
Strongest gust
89.3 km/h
25 May 2009
Hottest feels-like
47.8 °C
20 June 1957
Coldest feels-like
2.6 °C
12 February 1950
Sunniest day
13.0 h
9 June 1972
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 | 23.4 °C | -0.3 °C | 0 mm | -18 mm |
| Feb | 28.2 °C | +0.9 °C | 13 mm | -8 mm |
| Mar | 32.4 °C | -0.4 °C | 25 mm | +0 mm |
| Apr | 34.5 °C | -2.1 °C | 75 mm | +31 mm |
| May | 34.3 °C | -2.0 °C | 154 mm | +59 mm |
| Jun | 33.1 °C | -0.8 °C | 176 mm | -39 mm |
| Jul | 31.0 °C | -0.2 °C | 415 mm | +118 mm |
| Aug | 31.2 °C | +0.3 °C | 316 mm | +58 mm |
| Sep | 32.1 °C | +1.4 °C | 239 mm | +22 mm |
| Oct | 31.0 °C | +1.1 °C | 121 mm | +32 mm |
| Nov | 27.9 °C | +0.3 °C | 0 mm | -12 mm |
| Dec | 22.9 °C | -1.7 °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 Dumka?
Dumka has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 25.1 °C and it receives 1,301 mm of precipitation per year.
What is the hottest day ever recorded in Dumka?
The hottest day measured in Dumka between 1940 and 2025 was 27 May 1944, reaching 47.5 °C.
What is the coldest day in Dumka?
The coldest day measured in Dumka between 1940 and 2025 was 9 January 2013, at 5.0 °C.
Does it snow in Dumka?
Almost never: Dumka sees virtually no snow, with about 0 frost days per year.
Has the climate of Dumka warmed?
Yes: Dumka warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dumka?
The wettest day measured in Dumka between 1940 and 2025 was 9 September 2009, with 188 mm of rain in 24 hours.
What was the windiest day in Dumka?
The windiest day measured in Dumka between 1940 and 2025 was 26 May 2009, with winds reaching 44.8 km/h.
What is the warmest month in Dumka?
The warmest month in Dumka is May (30.3 °C on average); the coldest is January (17.0 °C).
How much does it rain in Dumka?
Dumka receives on average 1,301 mm of precipitation per year, spread over about 144 rainy days.
Is it sunny in Dumka?
Dumka gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
Are there tropical nights in Dumka?
Yes: Dumka has on average 225 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dumka?
In Dumka, between 1940 and 2025, the highest apparent temperature reached 47.8 °C on 20 June 1957, and the lowest was 2.6 °C on 12 February 1950.
Compare Dumka with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dumka