Pālaiyam climate — normals and trends
Pālaiyam (India) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 28.5 °C and it receives 697 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 (31.6 °C on average) and the coldest is December (25.0 °C). Rainfall peaks in October.
Pālaiyam averages 0 frost days, 317 hot days (≥ 30 °C) and 104 rainy days per year.
Pālaiyam has warmed by +1.7 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 43.6 °C (on 11 May 1993) and the coldest 15.3 °C (on 28 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
PālaiyamTamil Nadu
- coords
- 10.73°, 78.14°
- 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
697mm
Sunshine / day
10.4h
Mean relative humidity
63%
Average peak wind
16.8km/h
Seasonal range
6.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
317 d/yr
Rainy days (≥ 1 mm)
104 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.6 °C
Average feels-like low
27.0 °C
Average peak gust
36.4 km/h
Tropical nights (≥ 20 °C)
340 d/yr
Solar radiation
20.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.66 · 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
43.6 °C
11 May 1993
Coldest day
15.3 °C
28 December 1941
Wettest day
184 mm
22 December 1983
Windiest day
40.3 km/h
3 July 2006
Strongest gust
97.2 km/h
23 July 1989
Hottest feels-like
47.8 °C
4 May 2024
Coldest feels-like
15.6 °C
1 January 1951
Sunniest day
12.4 h
21 May 1945
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 30.2 °C | -0.6 °C | 16 mm | +4 mm |
| Feb | 34.0 °C | +0.3 °C | 2 mm | -8 mm |
| Mar | 35.7 °C | -0.8 °C | 35 mm | +18 mm |
| Apr | 37.8 °C | -0.3 °C | 37 mm | +4 mm |
| May | 36.4 °C | -1.8 °C | 114 mm | +60 mm |
| Jun | 35.6 °C | -0.2 °C | 22 mm | -19 mm |
| Jul | 35.1 °C | +0.5 °C | 63 mm | +12 mm |
| Aug | 35.3 °C | +0.4 °C | 50 mm | -3 mm |
| Sep | 36.1 °C | +0.9 °C | 48 mm | -33 mm |
| Oct | 32.8 °C | 0.0 °C | 300 mm | +146 mm |
| Nov | 30.8 °C | +0.6 °C | 154 mm | +25 mm |
| Dec | 29.6 °C | +0.1 °C | 21 mm | -41 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 Pālaiyam?
Pālaiyam has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 28.5 °C and it receives 697 mm of precipitation per year.
What is the hottest day ever recorded in Pālaiyam?
The hottest day measured in Pālaiyam between 1940 and 2025 was 11 May 1993, reaching 43.6 °C.
What is the coldest day in Pālaiyam?
The coldest day measured in Pālaiyam between 1940 and 2025 was 28 December 1941, at 15.3 °C.
Does it snow in Pālaiyam?
Almost never: Pālaiyam sees virtually no snow, with about 0 frost days per year.
Has the climate of Pālaiyam warmed?
Yes: Pālaiyam warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pālaiyam?
The wettest day measured in Pālaiyam between 1940 and 2025 was 22 December 1983, with 184 mm of rain in 24 hours.
What was the windiest day in Pālaiyam?
The windiest day measured in Pālaiyam between 1940 and 2025 was 3 July 2006, with winds reaching 40.3 km/h.
What is the warmest month in Pālaiyam?
The warmest month in Pālaiyam is May (31.6 °C on average); the coldest is December (25.0 °C).
How much does it rain in Pālaiyam?
Pālaiyam receives on average 697 mm of precipitation per year, spread over about 104 rainy days.
Is it sunny in Pālaiyam?
Pālaiyam gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Pālaiyam?
Yes: Pālaiyam has on average 340 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pālaiyam?
In Pālaiyam, between 1940 and 2025, the highest apparent temperature reached 47.8 °C on 4 May 2024, and the lowest was 15.6 °C on 1 January 1951.
Compare Pālaiyam with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pālaiyam