Perumanna climate — normals and trends
Perumanna (India) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.3 °C and it receives 3,009 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 March (28.4 °C on average) and the coldest is July (25.0 °C). Rainfall peaks in June.
Perumanna averages 0 frost days, 186 hot days (≥ 30 °C) and 201 rainy days per year.
Perumanna has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.1 °C (on 27 April 2016) and the coldest 14.8 °C (on 2 January 1951).
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
PerumannaKerala
- coords
- 11.25°, 75.89°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.3°C
Average daily high
30.2°C
Average daily low
23.0°C
Annual rainfall
3,009mm
Sunshine / day
9.2h
Mean relative humidity
80%
Average peak wind
10.3km/h
Seasonal range
3.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
186 d/yr
Rainy days (≥ 1 mm)
201 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.2 °C
Average feels-like low
27.1 °C
Average peak gust
29.6 km/h
Tropical nights (≥ 20 °C)
343 d/yr
Solar radiation
17.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.84 · 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
38.1 °C
27 April 2016
Coldest day
14.8 °C
2 January 1951
Wettest day
317 mm
19 May 1955
Windiest day
26.4 km/h
22 June 2007
Strongest gust
74.2 km/h
19 July 2019
Hottest feels-like
44.2 °C
27 April 2016
Coldest feels-like
14.1 °C
2 January 1951
Sunniest day
12.0 h
23 May 1986
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 | 32.5 °C | +0.7 °C | 3 mm | -4 mm |
| Feb | 34.0 °C | +0.8 °C | 2 mm | -3 mm |
| Mar | 33.9 °C | 0.0 °C | 35 mm | +13 mm |
| Apr | 32.2 °C | -0.6 °C | 124 mm | +28 mm |
| May | 30.6 °C | -0.3 °C | 776 mm | +478 mm |
| Jun | 28.9 °C | +0.9 °C | 713 mm | -57 mm |
| Jul | 27.9 °C | +0.5 °C | 716 mm | +26 mm |
| Aug | 28.4 °C | +0.7 °C | 486 mm | +40 mm |
| Sep | 29.5 °C | +1.1 °C | 125 mm | -139 mm |
| Oct | 29.9 °C | +1.0 °C | 281 mm | +28 mm |
| Nov | 29.7 °C | +0.2 °C | 52 mm | -75 mm |
| Dec | 30.7 °C | +0.3 °C | 25 mm | -7 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 Perumanna?
Perumanna has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.3 °C and it receives 3,009 mm of precipitation per year.
What is the hottest day ever recorded in Perumanna?
The hottest day measured in Perumanna between 1940 and 2025 was 27 April 2016, reaching 38.1 °C.
What is the coldest day in Perumanna?
The coldest day measured in Perumanna between 1940 and 2025 was 2 January 1951, at 14.8 °C.
Does it snow in Perumanna?
Almost never: Perumanna sees virtually no snow, with about 0 frost days per year.
Has the climate of Perumanna warmed?
Yes: Perumanna warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Perumanna?
The wettest day measured in Perumanna between 1940 and 2025 was 19 May 1955, with 317 mm of rain in 24 hours.
What was the windiest day in Perumanna?
The windiest day measured in Perumanna between 1940 and 2025 was 22 June 2007, with winds reaching 26.4 km/h.
What is the warmest month in Perumanna?
The warmest month in Perumanna is March (28.4 °C on average); the coldest is July (25.0 °C).
How much does it rain in Perumanna?
Perumanna receives on average 3,009 mm of precipitation per year, spread over about 201 rainy days.
Is it sunny in Perumanna?
Perumanna gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
Are there tropical nights in Perumanna?
Yes: Perumanna has on average 343 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Perumanna?
In Perumanna, between 1940 and 2025, the highest apparent temperature reached 44.2 °C on 27 April 2016, and the lowest was 14.1 °C on 2 January 1951.
Compare Perumanna with another city
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Nearby cities
The climate around Perumanna