Colgong climate — normals and trends
Colgong (India) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 25.2 °C and it receives 1,326 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 (30.0 °C on average) and the coldest is January (16.6 °C). Rainfall peaks in July.
Colgong averages 0 frost days, 213 hot days (≥ 30 °C) and 138 rainy days per year.
Colgong has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 46.2 °C (on 7 June 1964) and the coldest 3.7 °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
ColgongBihar
- coords
- 25.26°, 87.23°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.2°C
Average daily high
30.5°C
Average daily low
20.8°C
Annual rainfall
1,326mm
Sunshine / day
9.7h
Mean relative humidity
71%
Average peak wind
13.3km/h
Seasonal range
13.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
213 d/yr
Rainy days (≥ 1 mm)
138 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.5 °C
Average feels-like low
23.1 °C
Average peak gust
28.0 km/h
Tropical nights (≥ 20 °C)
224 d/yr
Solar radiation
17.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.25 · 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
46.2 °C
7 June 1964
Coldest day
3.7 °C
9 January 2013
Wettest day
195 mm
6 July 2015
Windiest day
40.9 km/h
26 May 2009
Strongest gust
88.9 km/h
26 May 2009
Hottest feels-like
49.1 °C
15 June 1957
Coldest feels-like
0.6 °C
31 January 1964
Sunniest day
13.1 h
2 June 1942
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 | 22.5 °C | -0.8 °C | 0 mm | -19 mm |
| Feb | 27.3 °C | +0.6 °C | 0 mm | -16 mm |
| Mar | 32.0 °C | -0.4 °C | 16 mm | -8 mm |
| Apr | 34.1 °C | -1.9 °C | 65 mm | +27 mm |
| May | 33.7 °C | -1.9 °C | 173 mm | +79 mm |
| Jun | 33.8 °C | -0.1 °C | 155 mm | -62 mm |
| Jul | 32.5 °C | +0.6 °C | 250 mm | -60 mm |
| Aug | 32.4 °C | +0.6 °C | 343 mm | +71 mm |
| Sep | 33.1 °C | +1.7 °C | 212 mm | -20 mm |
| Oct | 31.3 °C | +0.9 °C | 139 mm | +50 mm |
| Nov | 28.4 °C | +0.4 °C | 11 mm | +1 mm |
| Dec | 22.7 °C | -2.0 °C | 0 mm | -6 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 Colgong?
Colgong has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 25.2 °C and it receives 1,326 mm of precipitation per year.
What is the hottest day ever recorded in Colgong?
The hottest day measured in Colgong between 1940 and 2025 was 7 June 1964, reaching 46.2 °C.
What is the coldest day in Colgong?
The coldest day measured in Colgong between 1940 and 2025 was 9 January 2013, at 3.7 °C.
Does it snow in Colgong?
Almost never: Colgong sees virtually no snow, with about 0 frost days per year.
Has the climate of Colgong warmed?
Yes: Colgong warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Colgong?
The wettest day measured in Colgong between 1940 and 2025 was 6 July 2015, with 195 mm of rain in 24 hours.
What was the windiest day in Colgong?
The windiest day measured in Colgong between 1940 and 2025 was 26 May 2009, with winds reaching 40.9 km/h.
What is the warmest month in Colgong?
The warmest month in Colgong is May (30.0 °C on average); the coldest is January (16.6 °C).
How much does it rain in Colgong?
Colgong receives on average 1,326 mm of precipitation per year, spread over about 138 rainy days.
Is it sunny in Colgong?
Colgong gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
Are there tropical nights in Colgong?
Yes: Colgong has on average 224 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Colgong?
In Colgong, between 1940 and 2025, the highest apparent temperature reached 49.1 °C on 15 June 1957, and the lowest was 0.6 °C on 31 January 1964.
Compare Colgong with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Colgong