Dum Duma climate — normals and trends
Dum Duma (India) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 23.8 °C and it receives 2,347 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 August (28.2 °C on average) and the coldest is January (17.2 °C). Rainfall peaks in July.
Dum Duma averages 0 frost days, 133 hot days (≥ 30 °C) and 191 rainy days per year.
Dum Duma has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.3 °C (on 8 June 2023) and the coldest 6.6 °C (on 6 January 1983).
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
Dum DumaAssam
- coords
- 27.57°, 95.56°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.8°C
Average daily high
28.2°C
Average daily low
20.2°C
Annual rainfall
2,347mm
Sunshine / day
9.3h
Mean relative humidity
78%
Average peak wind
6.7km/h
Seasonal range
11.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
133 d/yr
Rainy days (≥ 1 mm)
191 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.1 °C
Average feels-like low
23.2 °C
Average peak gust
20.2 km/h
Tropical nights (≥ 20 °C)
202 d/yr
Solar radiation
15.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.46 · 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
40.3 °C
8 June 2023
Coldest day
6.6 °C
6 January 1983
Wettest day
151 mm
7 September 1987
Windiest day
28.3 km/h
26 February 2000
Strongest gust
60.1 km/h
15 April 1990
Hottest feels-like
48.7 °C
23 September 2024
Coldest feels-like
5.2 °C
6 January 1983
Sunniest day
13.1 h
6 July 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 | 24.9 °C | +1.8 °C | 45 mm | +19 mm |
| Feb | 24.4 °C | -0.3 °C | 29 mm | -23 mm |
| Mar | 26.3 °C | -1.2 °C | 120 mm | -3 mm |
| Apr | 29.7 °C | +1.2 °C | 121 mm | -129 mm |
| May | 30.6 °C | +0.4 °C | 285 mm | +7 mm |
| Jun | 33.5 °C | +2.4 °C | 246 mm | -144 mm |
| Jul | 33.7 °C | +2.7 °C | 301 mm | -121 mm |
| Aug | 31.3 °C | 0.0 °C | 261 mm | -123 mm |
| Sep | 33.3 °C | +2.4 °C | 298 mm | +23 mm |
| Oct | 31.1 °C | +1.7 °C | 84 mm | -29 mm |
| Nov | 28.4 °C | +1.7 °C | 52 mm | +31 mm |
| Dec | 25.5 °C | +1.5 °C | 1 mm | -13 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 Dum Duma?
Dum Duma has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 23.8 °C and it receives 2,347 mm of precipitation per year.
What is the hottest day ever recorded in Dum Duma?
The hottest day measured in Dum Duma between 1940 and 2025 was 8 June 2023, reaching 40.3 °C.
What is the coldest day in Dum Duma?
The coldest day measured in Dum Duma between 1940 and 2025 was 6 January 1983, at 6.6 °C.
Does it snow in Dum Duma?
Almost never: Dum Duma sees virtually no snow, with about 0 frost days per year.
Has the climate of Dum Duma warmed?
Yes: Dum Duma warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dum Duma?
The wettest day measured in Dum Duma between 1940 and 2025 was 7 September 1987, with 151 mm of rain in 24 hours.
What was the windiest day in Dum Duma?
The windiest day measured in Dum Duma between 1940 and 2025 was 26 February 2000, with winds reaching 28.3 km/h.
What is the warmest month in Dum Duma?
The warmest month in Dum Duma is August (28.2 °C on average); the coldest is January (17.2 °C).
How much does it rain in Dum Duma?
Dum Duma receives on average 2,347 mm of precipitation per year, spread over about 191 rainy days.
Is it sunny in Dum Duma?
Dum Duma gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
Are there tropical nights in Dum Duma?
Yes: Dum Duma has on average 202 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dum Duma?
In Dum Duma, between 1940 and 2025, the highest apparent temperature reached 48.7 °C on 23 September 2024, and the lowest was 5.2 °C on 6 January 1983.
Compare Dum Duma with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dum Duma