Kāraikāl climate — normals and trends
Kāraikāl (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.0 °C and it receives 1,008 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 (30.4 °C on average) and the coldest is January (25.1 °C). Rainfall peaks in November.
Kāraikāl averages 0 frost days, 210 hot days (≥ 30 °C) and 123 rainy days per year.
Kāraikāl has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.5 °C (on 28 May 1985) and the coldest 20.1 °C (on 13 December 1945).
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
KāraikālPuducherry
- coords
- 10.92°, 79.83°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
28.0°C
Average daily high
30.3°C
Average daily low
26.0°C
Annual rainfall
1,008mm
Sunshine / day
10.4h
Mean relative humidity
74%
Average peak wind
21.2km/h
Seasonal range
5.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
210 d/yr
Rainy days (≥ 1 mm)
123 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.5 °C
Average feels-like low
29.0 °C
Average peak gust
34.6 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
19.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.61 · 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
37.5 °C
28 May 1985
Coldest day
20.1 °C
13 December 1945
Wettest day
276 mm
6 December 1972
Windiest day
49.4 km/h
30 December 2011
Strongest gust
84.2 km/h
4 December 1993
Hottest feels-like
43.1 °C
31 May 2024
Coldest feels-like
17.1 °C
9 December 2022
Sunniest day
12.6 h
23 May 1941
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 | 27.3 °C | +0.5 °C | 64 mm | +16 mm |
| Feb | 28.8 °C | +0.6 °C | 13 mm | -7 mm |
| Mar | 30.4 °C | +0.3 °C | 58 mm | +35 mm |
| Apr | 32.1 °C | +0.2 °C | 38 mm | +9 mm |
| May | 33.1 °C | -0.2 °C | 100 mm | +60 mm |
| Jun | 33.2 °C | +0.2 °C | 14 mm | -12 mm |
| Jul | 32.9 °C | +0.5 °C | 27 mm | -12 mm |
| Aug | 31.9 °C | 0.0 °C | 45 mm | -5 mm |
| Sep | 31.9 °C | +0.4 °C | 67 mm | -1 mm |
| Oct | 30.1 °C | +0.3 °C | 244 mm | +63 mm |
| Nov | 28.6 °C | +0.7 °C | 449 mm | +157 mm |
| Dec | 27.1 °C | +0.2 °C | 74 mm | -117 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 Kāraikāl?
Kāraikāl has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.0 °C and it receives 1,008 mm of precipitation per year.
What is the hottest day ever recorded in Kāraikāl?
The hottest day measured in Kāraikāl between 1940 and 2025 was 28 May 1985, reaching 37.5 °C.
What is the coldest day in Kāraikāl?
The coldest day measured in Kāraikāl between 1940 and 2025 was 13 December 1945, at 20.1 °C.
Does it snow in Kāraikāl?
Almost never: Kāraikāl sees virtually no snow, with about 0 frost days per year.
Has the climate of Kāraikāl warmed?
Yes: Kāraikāl warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kāraikāl?
The wettest day measured in Kāraikāl between 1940 and 2025 was 6 December 1972, with 276 mm of rain in 24 hours.
What was the windiest day in Kāraikāl?
The windiest day measured in Kāraikāl between 1940 and 2025 was 30 December 2011, with winds reaching 49.4 km/h.
What is the warmest month in Kāraikāl?
The warmest month in Kāraikāl is May (30.4 °C on average); the coldest is January (25.1 °C).
How much does it rain in Kāraikāl?
Kāraikāl receives on average 1,008 mm of precipitation per year, spread over about 123 rainy days.
Is it sunny in Kāraikāl?
Kāraikāl gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Kāraikāl?
Yes: Kāraikāl has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kāraikāl?
In Kāraikāl, between 1940 and 2025, the highest apparent temperature reached 43.1 °C on 31 May 2024, and the lowest was 17.1 °C on 9 December 2022.
Compare Kāraikāl with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kāraikāl