Ottakkadai climate — normals and trends
Ottakkadai (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.5 °C and it receives 836 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 (31.4 °C on average) and the coldest is December (25.2 °C). Rainfall peaks in October.
Ottakkadai averages 0 frost days, 314 hot days (≥ 30 °C) and 130 rainy days per year.
Ottakkadai has warmed by +1.8 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 43.2 °C (on 10 May 1973) and the coldest 14.4 °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
OttakkadaiTamil Nadu
- coords
- 9.96°, 78.19°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
28.5°C
Average daily high
34.2°C
Average daily low
24.1°C
Annual rainfall
836mm
Sunshine / day
10.2h
Mean relative humidity
65%
Average peak wind
12.9km/h
Seasonal range
6.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
314 d/yr
Rainy days (≥ 1 mm)
130 d/yr
Annual snowfall
0.0 cm
Average feels-like high
37.4 °C
Average feels-like low
27.7 °C
Average peak gust
30.7 km/h
Tropical nights (≥ 20 °C)
341 d/yr
Solar radiation
19.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.67 · 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
43.2 °C
10 May 1973
Coldest day
14.4 °C
26 December 1941
Wettest day
259 mm
18 October 2014
Windiest day
34.3 km/h
13 November 1992
Strongest gust
74.9 km/h
13 November 1992
Hottest feels-like
47.7 °C
5 May 2024
Coldest feels-like
14.3 °C
13 December 1945
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 | 30.1 °C | -0.6 °C | 34 mm | +15 mm |
| Feb | 33.5 °C | 0.0 °C | 8 mm | -5 mm |
| Mar | 34.7 °C | -1.6 °C | 69 mm | +45 mm |
| Apr | 37.3 °C | -0.3 °C | 56 mm | +10 mm |
| May | 36.8 °C | -1.1 °C | 66 mm | -3 mm |
| Jun | 37.2 °C | +0.9 °C | 34 mm | -15 mm |
| Jul | 36.1 °C | +0.8 °C | 73 mm | +11 mm |
| Aug | 35.1 °C | -0.2 °C | 85 mm | +13 mm |
| Sep | 36.2 °C | +0.8 °C | 72 mm | -19 mm |
| Oct | 33.3 °C | +0.5 °C | 189 mm | +11 mm |
| Nov | 31.0 °C | +0.8 °C | 203 mm | +56 mm |
| Dec | 30.0 °C | +0.5 °C | 22 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 Ottakkadai?
Ottakkadai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.5 °C and it receives 836 mm of precipitation per year.
What is the hottest day ever recorded in Ottakkadai?
The hottest day measured in Ottakkadai between 1940 and 2025 was 10 May 1973, reaching 43.2 °C.
What is the coldest day in Ottakkadai?
The coldest day measured in Ottakkadai between 1940 and 2025 was 26 December 1941, at 14.4 °C.
Does it snow in Ottakkadai?
Almost never: Ottakkadai sees virtually no snow, with about 0 frost days per year.
Has the climate of Ottakkadai warmed?
Yes: Ottakkadai warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ottakkadai?
The wettest day measured in Ottakkadai between 1940 and 2025 was 18 October 2014, with 259 mm of rain in 24 hours.
What was the windiest day in Ottakkadai?
The windiest day measured in Ottakkadai between 1940 and 2025 was 13 November 1992, with winds reaching 34.3 km/h.
What is the warmest month in Ottakkadai?
The warmest month in Ottakkadai is May (31.4 °C on average); the coldest is December (25.2 °C).
How much does it rain in Ottakkadai?
Ottakkadai receives on average 836 mm of precipitation per year, spread over about 130 rainy days.
Is it sunny in Ottakkadai?
Ottakkadai gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Ottakkadai?
Yes: Ottakkadai has on average 341 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ottakkadai?
In Ottakkadai, between 1940 and 2025, the highest apparent temperature reached 47.7 °C on 5 May 2024, and the lowest was 14.3 °C on 13 December 1945.
Compare Ottakkadai with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ottakkadai