Sīrkāzhi climate — normals and trends
Sīrkāzhi (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.0 °C and it receives 991 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 (30.5 °C on average) and the coldest is January (25.1 °C). Rainfall peaks in November.
Sīrkāzhi averages 0 frost days, 211 hot days (≥ 30 °C) and 121 rainy days per year.
Sīrkāzhi has warmed by +0.8 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.6 °C (on 13 May 1956) and the coldest 20.2 °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
SīrkāzhiTamil Nadu
- coords
- 11.24°, 79.74°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
28.0°C
Average daily high
30.4°C
Average daily low
26.0°C
Annual rainfall
991mm
Sunshine / day
10.4h
Mean relative humidity
74%
Average peak wind
20.7km/h
Seasonal range
5.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
211 d/yr
Rainy days (≥ 1 mm)
121 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.7 °C
Average feels-like low
29.1 °C
Average peak gust
34.2 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
19.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.60 · 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
36.6 °C
13 May 1956
Coldest day
20.2 °C
13 December 1945
Wettest day
268 mm
6 December 1972
Windiest day
54.6 km/h
4 December 1993
Strongest gust
91.1 km/h
30 December 2011
Hottest feels-like
43.5 °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 | 57 mm | +12 mm |
| Feb | 28.8 °C | +0.6 °C | 7 mm | -10 mm |
| Mar | 30.4 °C | +0.3 °C | 57 mm | +35 mm |
| Apr | 32.1 °C | +0.1 °C | 34 mm | +9 mm |
| May | 33.0 °C | -0.4 °C | 109 mm | +72 mm |
| Jun | 33.3 °C | +0.1 °C | 13 mm | -14 mm |
| Jul | 33.2 °C | +0.7 °C | 26 mm | -13 mm |
| Aug | 31.9 °C | -0.2 °C | 50 mm | -4 mm |
| Sep | 32.1 °C | +0.5 °C | 53 mm | -17 mm |
| Oct | 30.1 °C | +0.2 °C | 244 mm | +58 mm |
| Nov | 28.7 °C | +0.8 °C | 342 mm | +55 mm |
| Dec | 27.1 °C | +0.2 °C | 65 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 Sīrkāzhi?
Sīrkāzhi has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.0 °C and it receives 991 mm of precipitation per year.
What is the hottest day ever recorded in Sīrkāzhi?
The hottest day measured in Sīrkāzhi between 1940 and 2025 was 13 May 1956, reaching 36.6 °C.
What is the coldest day in Sīrkāzhi?
The coldest day measured in Sīrkāzhi between 1940 and 2025 was 13 December 1945, at 20.2 °C.
Does it snow in Sīrkāzhi?
Almost never: Sīrkāzhi sees virtually no snow, with about 0 frost days per year.
Has the climate of Sīrkāzhi warmed?
Yes: Sīrkāzhi warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sīrkāzhi?
The wettest day measured in Sīrkāzhi between 1940 and 2025 was 6 December 1972, with 268 mm of rain in 24 hours.
What was the windiest day in Sīrkāzhi?
The windiest day measured in Sīrkāzhi between 1940 and 2025 was 4 December 1993, with winds reaching 54.6 km/h.
What is the warmest month in Sīrkāzhi?
The warmest month in Sīrkāzhi is May (30.5 °C on average); the coldest is January (25.1 °C).
How much does it rain in Sīrkāzhi?
Sīrkāzhi receives on average 991 mm of precipitation per year, spread over about 121 rainy days.
Is it sunny in Sīrkāzhi?
Sīrkāzhi gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Sīrkāzhi?
Yes: Sīrkāzhi has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sīrkāzhi?
In Sīrkāzhi, between 1940 and 2025, the highest apparent temperature reached 43.5 °C on 31 May 2024, and the lowest was 17.1 °C on 9 December 2022.
Compare Sīrkāzhi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sīrkāzhi