Papanasam climate — normals and trends
Papanasam (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.5 °C and it receives 842 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 (32.0 °C on average) and the coldest is January (24.6 °C). Rainfall peaks in November.
Papanasam averages 0 frost days, 291 hot days (≥ 30 °C) and 127 rainy days per year.
Papanasam has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 44.2 °C (on 10 May 1973) and the coldest 14.8 °C (on 20 January 1990).
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
PapanasamTamil Nadu
- coords
- 10.93°, 79.27°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
28.5°C
Average daily high
33.9°C
Average daily low
24.6°C
Annual rainfall
842mm
Sunshine / day
10.1h
Mean relative humidity
68%
Average peak wind
15.8km/h
Seasonal range
7.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
291 d/yr
Rainy days (≥ 1 mm)
127 d/yr
Annual snowfall
0.0 cm
Average feels-like high
37.0 °C
Average feels-like low
28.0 °C
Average peak gust
34.8 km/h
Tropical nights (≥ 20 °C)
345 d/yr
Solar radiation
19.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.47 · 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
44.2 °C
10 May 1973
Coldest day
14.8 °C
20 January 1990
Wettest day
171 mm
6 December 1972
Windiest day
34.6 km/h
4 December 1993
Strongest gust
79.6 km/h
12 July 1943
Hottest feels-like
47.7 °C
10 May 2013
Coldest feels-like
15.2 °C
20 January 1990
Sunniest day
12.5 h
15 May 1953
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 | 29.3 °C | 0.0 °C | 28 mm | +3 mm |
| Feb | 32.3 °C | +0.2 °C | 5 mm | -7 mm |
| Mar | 34.2 °C | -1.0 °C | 34 mm | +15 mm |
| Apr | 36.5 °C | -0.7 °C | 26 mm | -5 mm |
| May | 35.9 °C | -2.4 °C | 150 mm | +97 mm |
| Jun | 36.2 °C | -0.9 °C | 27 mm | -17 mm |
| Jul | 36.2 °C | +0.3 °C | 39 mm | -19 mm |
| Aug | 35.3 °C | -0.2 °C | 57 mm | -16 mm |
| Sep | 35.0 °C | -0.1 °C | 80 mm | -18 mm |
| Oct | 32.2 °C | -0.1 °C | 170 mm | +6 mm |
| Nov | 30.1 °C | +0.4 °C | 218 mm | +52 mm |
| Dec | 29.1 °C | +0.6 °C | 31 mm | -66 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 Papanasam?
Papanasam has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.5 °C and it receives 842 mm of precipitation per year.
What is the hottest day ever recorded in Papanasam?
The hottest day measured in Papanasam between 1940 and 2025 was 10 May 1973, reaching 44.2 °C.
What is the coldest day in Papanasam?
The coldest day measured in Papanasam between 1940 and 2025 was 20 January 1990, at 14.8 °C.
Does it snow in Papanasam?
Almost never: Papanasam sees virtually no snow, with about 0 frost days per year.
Has the climate of Papanasam warmed?
Yes: Papanasam warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Papanasam?
The wettest day measured in Papanasam between 1940 and 2025 was 6 December 1972, with 171 mm of rain in 24 hours.
What was the windiest day in Papanasam?
The windiest day measured in Papanasam between 1940 and 2025 was 4 December 1993, with winds reaching 34.6 km/h.
What is the warmest month in Papanasam?
The warmest month in Papanasam is May (32.0 °C on average); the coldest is January (24.6 °C).
How much does it rain in Papanasam?
Papanasam receives on average 842 mm of precipitation per year, spread over about 127 rainy days.
Is it sunny in Papanasam?
Papanasam gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Papanasam?
Yes: Papanasam has on average 345 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Papanasam?
In Papanasam, between 1940 and 2025, the highest apparent temperature reached 47.7 °C on 10 May 2013, and the lowest was 15.2 °C on 20 January 1990.
Compare Papanasam with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Papanasam