Periyapatti climate — normals and trends
Periyapatti (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.6 °C and it receives 871 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 April (31.0 °C on average) and the coldest is December (24.4 °C). Rainfall peaks in October.
Periyapatti averages 0 frost days, 297 hot days (≥ 30 °C) and 128 rainy days per year.
Periyapatti has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.8 °C (on 24 May 1991) and the coldest 13.2 °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
PeriyapattiTamil Nadu
- coords
- 11.21°, 78.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.6°C
Average daily high
33.1°C
Average daily low
23.3°C
Annual rainfall
871mm
Sunshine / day
10.4h
Mean relative humidity
66%
Average peak wind
12.1km/h
Seasonal range
6.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
297 d/yr
Rainy days (≥ 1 mm)
128 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.2 °C
Average feels-like low
26.6 °C
Average peak gust
32.1 km/h
Tropical nights (≥ 20 °C)
325 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.48 · 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
41.8 °C
24 May 1991
Coldest day
13.2 °C
28 December 1941
Wettest day
140 mm
6 May 1995
Windiest day
30.1 km/h
7 July 1973
Strongest gust
89.3 km/h
7 July 1973
Hottest feels-like
46.1 °C
4 May 2024
Coldest feels-like
13.3 °C
26 December 1941
Sunniest day
12.4 h
17 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 | 29.5 °C | -0.9 °C | 12 mm | +3 mm |
| Feb | 33.1 °C | -0.1 °C | 0 mm | -7 mm |
| Mar | 35.3 °C | -0.7 °C | 22 mm | +6 mm |
| Apr | 36.2 °C | -1.1 °C | 72 mm | +23 mm |
| May | 34.7 °C | -2.2 °C | 132 mm | +55 mm |
| Jun | 33.7 °C | -0.6 °C | 74 mm | +2 mm |
| Jul | 32.8 °C | +0.1 °C | 93 mm | -5 mm |
| Aug | 32.5 °C | -0.2 °C | 94 mm | +2 mm |
| Sep | 33.1 °C | -0.1 °C | 66 mm | -39 mm |
| Oct | 31.6 °C | 0.0 °C | 232 mm | +53 mm |
| Nov | 30.1 °C | +0.4 °C | 125 mm | +4 mm |
| Dec | 29.2 °C | +0.1 °C | 20 mm | -28 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 Periyapatti?
Periyapatti has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 871 mm of precipitation per year.
What is the hottest day ever recorded in Periyapatti?
The hottest day measured in Periyapatti between 1940 and 2025 was 24 May 1991, reaching 41.8 °C.
What is the coldest day in Periyapatti?
The coldest day measured in Periyapatti between 1940 and 2025 was 28 December 1941, at 13.2 °C.
Does it snow in Periyapatti?
Almost never: Periyapatti sees virtually no snow, with about 0 frost days per year.
Has the climate of Periyapatti warmed?
Yes: Periyapatti warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Periyapatti?
The wettest day measured in Periyapatti between 1940 and 2025 was 6 May 1995, with 140 mm of rain in 24 hours.
What was the windiest day in Periyapatti?
The windiest day measured in Periyapatti between 1940 and 2025 was 7 July 1973, with winds reaching 30.1 km/h.
What is the warmest month in Periyapatti?
The warmest month in Periyapatti is April (31.0 °C on average); the coldest is December (24.4 °C).
How much does it rain in Periyapatti?
Periyapatti receives on average 871 mm of precipitation per year, spread over about 128 rainy days.
Is it sunny in Periyapatti?
Periyapatti gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Periyapatti?
Yes: Periyapatti has on average 325 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Periyapatti?
In Periyapatti, between 1940 and 2025, the highest apparent temperature reached 46.1 °C on 4 May 2024, and the lowest was 13.3 °C on 26 December 1941.
Compare Periyapatti with another city
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Nearby cities
The climate around Periyapatti