Peranāmpattu climate — normals and trends
Peranāmpattu (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.8 °C and it receives 786 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 (29.8 °C on average) and the coldest is December (21.6 °C). Rainfall peaks in October.
Peranāmpattu averages 0 frost days, 231 hot days (≥ 30 °C) and 114 rainy days per year.
Peranāmpattu has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.7 °C (on 8 May 1964) and the coldest 10.4 °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
PeranāmpattuTamil Nadu
- coords
- 12.93°, 78.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.8°C
Average daily high
31.3°C
Average daily low
21.3°C
Annual rainfall
786mm
Sunshine / day
9.9h
Mean relative humidity
66%
Average peak wind
16.0km/h
Seasonal range
8.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
231 d/yr
Rainy days (≥ 1 mm)
114 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.0 °C
Average feels-like low
23.2 °C
Average peak gust
36.4 km/h
Tropical nights (≥ 20 °C)
257 d/yr
Solar radiation
19.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.42 · 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
41.7 °C
8 May 1964
Coldest day
10.4 °C
26 December 1941
Wettest day
169 mm
26 November 2020
Windiest day
43.4 km/h
12 December 2016
Strongest gust
88.6 km/h
15 July 1965
Hottest feels-like
45.4 °C
1 May 2024
Coldest feels-like
9.2 °C
11 December 1981
Sunniest day
12.5 h
23 May 1981
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 | 27.6 °C | -0.1 °C | 5 mm | -4 mm |
| Feb | 32.3 °C | +1.4 °C | 0 mm | -6 mm |
| Mar | 34.8 °C | +0.8 °C | 9 mm | -4 mm |
| Apr | 35.9 °C | 0.0 °C | 31 mm | +9 mm |
| May | 33.9 °C | -2.1 °C | 141 mm | +70 mm |
| Jun | 33.4 °C | +0.3 °C | 45 mm | -27 mm |
| Jul | 32.7 °C | +1.0 °C | 59 mm | -25 mm |
| Aug | 31.2 °C | -0.2 °C | 190 mm | +96 mm |
| Sep | 31.2 °C | 0.0 °C | 70 mm | -57 mm |
| Oct | 29.6 °C | +0.2 °C | 139 mm | -1 mm |
| Nov | 28.2 °C | +0.8 °C | 78 mm | -22 mm |
| Dec | 26.9 °C | +0.5 °C | 25 mm | -21 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 Peranāmpattu?
Peranāmpattu has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 786 mm of precipitation per year.
What is the hottest day ever recorded in Peranāmpattu?
The hottest day measured in Peranāmpattu between 1940 and 2025 was 8 May 1964, reaching 41.7 °C.
What is the coldest day in Peranāmpattu?
The coldest day measured in Peranāmpattu between 1940 and 2025 was 26 December 1941, at 10.4 °C.
Does it snow in Peranāmpattu?
Almost never: Peranāmpattu sees virtually no snow, with about 0 frost days per year.
Has the climate of Peranāmpattu warmed?
Yes: Peranāmpattu warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Peranāmpattu?
The wettest day measured in Peranāmpattu between 1940 and 2025 was 26 November 2020, with 169 mm of rain in 24 hours.
What was the windiest day in Peranāmpattu?
The windiest day measured in Peranāmpattu between 1940 and 2025 was 12 December 2016, with winds reaching 43.4 km/h.
What is the warmest month in Peranāmpattu?
The warmest month in Peranāmpattu is May (29.8 °C on average); the coldest is December (21.6 °C).
How much does it rain in Peranāmpattu?
Peranāmpattu receives on average 786 mm of precipitation per year, spread over about 114 rainy days.
Is it sunny in Peranāmpattu?
Peranāmpattu gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
Are there tropical nights in Peranāmpattu?
Yes: Peranāmpattu has on average 257 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Peranāmpattu?
In Peranāmpattu, between 1940 and 2025, the highest apparent temperature reached 45.4 °C on 1 May 2024, and the lowest was 9.2 °C on 11 December 1981.
Compare Peranāmpattu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Peranāmpattu