Oddanchathiram climate — normals and trends
Oddanchathiram (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.9 °C and it receives 827 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 (29.9 °C on average) and the coldest is December (23.7 °C). Rainfall peaks in October.
Oddanchathiram averages 0 frost days, 272 hot days (≥ 30 °C) and 147 rainy days per year.
Oddanchathiram has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.2 °C (on 11 May 1993) and the coldest 13.1 °C (on 29 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
OddanchathiramTamil Nadu
- coords
- 10.48°, 77.75°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.9°C
Average daily high
32.3°C
Average daily low
22.5°C
Annual rainfall
827mm
Sunshine / day
10.3h
Mean relative humidity
63%
Average peak wind
12.7km/h
Seasonal range
6.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
272 d/yr
Rainy days (≥ 1 mm)
147 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.6 °C
Average feels-like low
25.1 °C
Average peak gust
33.3 km/h
Tropical nights (≥ 20 °C)
311 d/yr
Solar radiation
19.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.73 · 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
41.2 °C
11 May 1993
Coldest day
13.1 °C
29 December 1941
Wettest day
139 mm
24 November 2005
Windiest day
32.2 km/h
4 July 2006
Strongest gust
91.8 km/h
23 July 1989
Hottest feels-like
45.3 °C
2 May 2024
Coldest feels-like
12.8 °C
27 December 1941
Sunniest day
12.3 h
16 May 1953
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 | 28.7 °C | -0.6 °C | 34 mm | +15 mm |
| Feb | 32.5 °C | +0.3 °C | 3 mm | -11 mm |
| Mar | 34.0 °C | -1.1 °C | 77 mm | +58 mm |
| Apr | 36.2 °C | -0.1 °C | 47 mm | +8 mm |
| May | 34.6 °C | -1.2 °C | 99 mm | +33 mm |
| Jun | 33.3 °C | +0.2 °C | 64 mm | -3 mm |
| Jul | 32.8 °C | +0.7 °C | 82 mm | +13 mm |
| Aug | 32.8 °C | +0.3 °C | 75 mm | +9 mm |
| Sep | 33.9 °C | +0.9 °C | 52 mm | -31 mm |
| Oct | 31.4 °C | +0.2 °C | 227 mm | +73 mm |
| Nov | 29.4 °C | +0.6 °C | 149 mm | -0 mm |
| Dec | 28.4 °C | +0.4 °C | 34 mm | -45 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 Oddanchathiram?
Oddanchathiram has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.9 °C and it receives 827 mm of precipitation per year.
What is the hottest day ever recorded in Oddanchathiram?
The hottest day measured in Oddanchathiram between 1940 and 2025 was 11 May 1993, reaching 41.2 °C.
What is the coldest day in Oddanchathiram?
The coldest day measured in Oddanchathiram between 1940 and 2025 was 29 December 1941, at 13.1 °C.
Does it snow in Oddanchathiram?
Almost never: Oddanchathiram sees virtually no snow, with about 0 frost days per year.
Has the climate of Oddanchathiram warmed?
Yes: Oddanchathiram warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Oddanchathiram?
The wettest day measured in Oddanchathiram between 1940 and 2025 was 24 November 2005, with 139 mm of rain in 24 hours.
What was the windiest day in Oddanchathiram?
The windiest day measured in Oddanchathiram between 1940 and 2025 was 4 July 2006, with winds reaching 32.2 km/h.
What is the warmest month in Oddanchathiram?
The warmest month in Oddanchathiram is April (29.9 °C on average); the coldest is December (23.7 °C).
How much does it rain in Oddanchathiram?
Oddanchathiram receives on average 827 mm of precipitation per year, spread over about 147 rainy days.
Is it sunny in Oddanchathiram?
Oddanchathiram gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Oddanchathiram?
Yes: Oddanchathiram has on average 311 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Oddanchathiram?
In Oddanchathiram, between 1940 and 2025, the highest apparent temperature reached 45.3 °C on 2 May 2024, and the lowest was 12.8 °C on 27 December 1941.
Compare Oddanchathiram with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Oddanchathiram