Chinnamanūr climate — normals and trends
Chinnamanūr (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.8 °C and it receives 802 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 April (28.5 °C on average) and the coldest is December (23.3 °C). Rainfall peaks in October.
Chinnamanūr averages 0 frost days, 232 hot days (≥ 30 °C) and 122 rainy days per year.
Chinnamanūr has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.8 °C (on 13 May 1985) and the coldest 10.2 °C (on 26 December 1941).
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
ChinnamanūrTamil Nadu
- coords
- 9.84°, 77.38°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.8°C
Average daily high
31.3°C
Average daily low
21.3°C
Annual rainfall
802mm
Sunshine / day
10.1h
Mean relative humidity
67%
Average peak wind
9.5km/h
Seasonal range
5.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
232 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.9 °C
Average feels-like low
23.9 °C
Average peak gust
36.1 km/h
Tropical nights (≥ 20 °C)
289 d/yr
Solar radiation
19.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.76 · 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
40.8 °C
13 May 1985
Coldest day
10.2 °C
26 December 1941
Wettest day
183 mm
5 October 2018
Windiest day
24.5 km/h
18 June 1992
Strongest gust
103.0 km/h
13 November 1992
Hottest feels-like
44.1 °C
5 May 2024
Coldest feels-like
9.5 °C
26 December 1941
Sunniest day
12.3 h
15 May 1950
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 | 28.1 °C | -0.5 °C | 49 mm | +26 mm |
| Feb | 31.0 °C | -0.1 °C | 5 mm | -12 mm |
| Mar | 32.7 °C | -1.2 °C | 51 mm | +25 mm |
| Apr | 34.0 °C | -1.1 °C | 73 mm | +31 mm |
| May | 33.1 °C | -1.5 °C | 125 mm | +63 mm |
| Jun | 31.5 °C | -0.1 °C | 81 mm | +13 mm |
| Jul | 31.1 °C | +0.2 °C | 123 mm | +55 mm |
| Aug | 31.5 °C | +0.2 °C | 44 mm | -12 mm |
| Sep | 32.6 °C | +0.6 °C | 36 mm | -31 mm |
| Oct | 30.5 °C | +0.2 °C | 211 mm | +57 mm |
| Nov | 28.6 °C | +0.5 °C | 122 mm | -27 mm |
| Dec | 28.2 °C | +0.6 °C | 36 mm | -36 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 Chinnamanūr?
Chinnamanūr has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 802 mm of precipitation per year.
What is the hottest day ever recorded in Chinnamanūr?
The hottest day measured in Chinnamanūr between 1940 and 2025 was 13 May 1985, reaching 40.8 °C.
What is the coldest day in Chinnamanūr?
The coldest day measured in Chinnamanūr between 1940 and 2025 was 26 December 1941, at 10.2 °C.
Does it snow in Chinnamanūr?
Almost never: Chinnamanūr sees virtually no snow, with about 0 frost days per year.
Has the climate of Chinnamanūr warmed?
Yes: Chinnamanūr warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chinnamanūr?
The wettest day measured in Chinnamanūr between 1940 and 2025 was 5 October 2018, with 183 mm of rain in 24 hours.
What was the windiest day in Chinnamanūr?
The windiest day measured in Chinnamanūr between 1940 and 2025 was 18 June 1992, with winds reaching 24.5 km/h.
What is the warmest month in Chinnamanūr?
The warmest month in Chinnamanūr is April (28.5 °C on average); the coldest is December (23.3 °C).
How much does it rain in Chinnamanūr?
Chinnamanūr receives on average 802 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Chinnamanūr?
Chinnamanūr gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Chinnamanūr?
Yes: Chinnamanūr has on average 289 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chinnamanūr?
In Chinnamanūr, between 1940 and 2025, the highest apparent temperature reached 44.1 °C on 5 May 2024, and the lowest was 9.5 °C on 26 December 1941.
Compare Chinnamanūr with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chinnamanūr