Mandapam climate — normals and trends
Mandapam (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.3 °C and it receives 945 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 (29.1 °C on average) and the coldest is January (25.4 °C). Rainfall peaks in November.
Mandapam averages 0 frost days, 33 hot days (≥ 30 °C) and 107 rainy days per year.
Mandapam has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.7 °C (on 7 June 2014) and the coldest 21.9 °C (on 26 December 2000).
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
MandapamTamil Nadu
- coords
- 9.28°, 79.12°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.3°C
Average daily high
28.1°C
Average daily low
26.6°C
Annual rainfall
945mm
Sunshine / day
10.7h
Mean relative humidity
80%
Average peak wind
29.8km/h
Seasonal range
3.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
33 d/yr
Rainy days (≥ 1 mm)
107 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.7 °C
Average feels-like low
28.7 °C
Average peak gust
40.7 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
20.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.64 · 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
32.7 °C
7 June 2014
Coldest day
21.9 °C
26 December 2000
Wettest day
166 mm
21 October 2025
Windiest day
62.1 km/h
24 November 1978
Strongest gust
91.4 km/h
24 November 1978
Hottest feels-like
39.2 °C
16 May 2020
Coldest feels-like
19.3 °C
26 December 2000
Sunniest day
12.3 h
25 May 1959
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 | 26.6 °C | +0.6 °C | 95 mm | +33 mm |
| Feb | 27.1 °C | +0.4 °C | 38 mm | +6 mm |
| Mar | 28.9 °C | +0.7 °C | 104 mm | +69 mm |
| Apr | 29.9 °C | +0.5 °C | 57 mm | -2 mm |
| May | 30.6 °C | +0.7 °C | 19 mm | -24 mm |
| Jun | 30.1 °C | +0.7 °C | 2 mm | -7 mm |
| Jul | 30.1 °C | +1.2 °C | 15 mm | +5 mm |
| Aug | 29.3 °C | +0.7 °C | 18 mm | +6 mm |
| Sep | 29.4 °C | +1.0 °C | 15 mm | -13 mm |
| Oct | 28.5 °C | +0.5 °C | 446 mm | +269 mm |
| Nov | 27.7 °C | +0.4 °C | 565 mm | +271 mm |
| Dec | 26.3 °C | -0.1 °C | 62 mm | -121 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 Mandapam?
Mandapam has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.3 °C and it receives 945 mm of precipitation per year.
What is the hottest day ever recorded in Mandapam?
The hottest day measured in Mandapam between 1940 and 2025 was 7 June 2014, reaching 32.7 °C.
What is the coldest day in Mandapam?
The coldest day measured in Mandapam between 1940 and 2025 was 26 December 2000, at 21.9 °C.
Does it snow in Mandapam?
Almost never: Mandapam sees virtually no snow, with about 0 frost days per year.
Has the climate of Mandapam warmed?
Yes: Mandapam warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mandapam?
The wettest day measured in Mandapam between 1940 and 2025 was 21 October 2025, with 166 mm of rain in 24 hours.
What was the windiest day in Mandapam?
The windiest day measured in Mandapam between 1940 and 2025 was 24 November 1978, with winds reaching 62.1 km/h.
What is the warmest month in Mandapam?
The warmest month in Mandapam is May (29.1 °C on average); the coldest is January (25.4 °C).
How much does it rain in Mandapam?
Mandapam receives on average 945 mm of precipitation per year, spread over about 107 rainy days.
Is it sunny in Mandapam?
Mandapam gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Mandapam?
Yes: Mandapam has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mandapam?
In Mandapam, between 1940 and 2025, the highest apparent temperature reached 39.2 °C on 16 May 2020, and the lowest was 19.3 °C on 26 December 2000.
Compare Mandapam with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mandapam