Arakkonam climate — normals and trends
Arakkonam (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.1 °C and it receives 876 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 (32.2 °C on average) and the coldest is January (23.8 °C). Rainfall peaks in October.
Arakkonam averages 0 frost days, 280 hot days (≥ 30 °C) and 125 rainy days per year.
Arakkonam has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 45.3 °C (on 12 May 1956) and the coldest 13.8 °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
ArakkonamTamil Nadu
- coords
- 13.08°, 79.67°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
28.1°C
Average daily high
33.3°C
Average daily low
24.1°C
Annual rainfall
876mm
Sunshine / day
10.0h
Mean relative humidity
70%
Average peak wind
15.2km/h
Seasonal range
8.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
280 d/yr
Rainy days (≥ 1 mm)
125 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.7 °C
Average feels-like low
27.6 °C
Average peak gust
33.3 km/h
Tropical nights (≥ 20 °C)
320 d/yr
Solar radiation
19.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.38 · 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
45.3 °C
12 May 1956
Coldest day
13.8 °C
26 December 1941
Wettest day
215 mm
14 June 1996
Windiest day
53.3 km/h
12 December 2016
Strongest gust
108.0 km/h
12 December 2016
Hottest feels-like
48.6 °C
26 May 2019
Coldest feels-like
13.3 °C
11 December 1981
Sunniest day
12.7 h
31 May 1972
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 | 29.4 °C | +0.4 °C | 12 mm | -5 mm |
| Feb | 32.8 °C | +0.9 °C | 0 mm | -8 mm |
| Mar | 35.2 °C | +0.4 °C | 21 mm | +6 mm |
| Apr | 37.2 °C | +0.2 °C | 13 mm | -6 mm |
| May | 36.4 °C | -2.2 °C | 120 mm | +72 mm |
| Jun | 37.1 °C | +0.2 °C | 42 mm | -27 mm |
| Jul | 36.3 °C | +1.1 °C | 66 mm | -21 mm |
| Aug | 33.8 °C | -0.6 °C | 138 mm | +31 mm |
| Sep | 34.0 °C | +0.3 °C | 59 mm | -61 mm |
| Oct | 31.5 °C | +0.1 °C | 183 mm | +20 mm |
| Nov | 30.2 °C | +1.0 °C | 114 mm | -34 mm |
| Dec | 28.7 °C | +0.6 °C | 75 mm | -4 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 Arakkonam?
Arakkonam has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.1 °C and it receives 876 mm of precipitation per year.
What is the hottest day ever recorded in Arakkonam?
The hottest day measured in Arakkonam between 1940 and 2025 was 12 May 1956, reaching 45.3 °C.
What is the coldest day in Arakkonam?
The coldest day measured in Arakkonam between 1940 and 2025 was 26 December 1941, at 13.8 °C.
Does it snow in Arakkonam?
Almost never: Arakkonam sees virtually no snow, with about 0 frost days per year.
Has the climate of Arakkonam warmed?
Yes: Arakkonam warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Arakkonam?
The wettest day measured in Arakkonam between 1940 and 2025 was 14 June 1996, with 215 mm of rain in 24 hours.
What was the windiest day in Arakkonam?
The windiest day measured in Arakkonam between 1940 and 2025 was 12 December 2016, with winds reaching 53.3 km/h.
What is the warmest month in Arakkonam?
The warmest month in Arakkonam is May (32.2 °C on average); the coldest is January (23.8 °C).
How much does it rain in Arakkonam?
Arakkonam receives on average 876 mm of precipitation per year, spread over about 125 rainy days.
Is it sunny in Arakkonam?
Arakkonam gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Arakkonam?
Yes: Arakkonam has on average 320 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Arakkonam?
In Arakkonam, between 1940 and 2025, the highest apparent temperature reached 48.6 °C on 26 May 2019, and the lowest was 13.3 °C on 11 December 1981.
Compare Arakkonam with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Arakkonam