Sathyamangalam climate — normals and trends
Sathyamangalam (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.9 °C and it receives 1,362 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 (28.1 °C on average) and the coldest is December (22.4 °C). Rainfall peaks in July.
Sathyamangalam averages 0 frost days, 162 hot days (≥ 30 °C) and 174 rainy days per year.
Sathyamangalam has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.2 °C (on 15 May 1952) and the coldest 12.3 °C (on 1 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
SathyamangalamTamil Nadu
- coords
- 11.51°, 77.24°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.9°C
Average daily high
30.0°C
Average daily low
20.9°C
Annual rainfall
1,362mm
Sunshine / day
10.1h
Mean relative humidity
71%
Average peak wind
7.8km/h
Seasonal range
5.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
162 d/yr
Rainy days (≥ 1 mm)
174 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.3 °C
Average feels-like low
23.6 °C
Average peak gust
27.4 km/h
Tropical nights (≥ 20 °C)
267 d/yr
Solar radiation
19.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.68 · 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
38.2 °C
15 May 1952
Coldest day
12.3 °C
1 January 1951
Wettest day
144 mm
21 October 1963
Windiest day
19.2 km/h
2 June 1946
Strongest gust
65.2 km/h
23 July 1989
Hottest feels-like
43.2 °C
2 June 2014
Coldest feels-like
11.3 °C
1 January 1951
Sunniest day
12.2 h
24 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 | 27.7 °C | -0.1 °C | 13 mm | -3 mm |
| Feb | 30.8 °C | +0.5 °C | 2 mm | -9 mm |
| Mar | 32.5 °C | -0.4 °C | 39 mm | +19 mm |
| Apr | 33.8 °C | -0.3 °C | 111 mm | +51 mm |
| May | 31.7 °C | -2.0 °C | 218 mm | +85 mm |
| Jun | 30.3 °C | 0.0 °C | 195 mm | +27 mm |
| Jul | 29.1 °C | +0.3 °C | 223 mm | +4 mm |
| Aug | 28.8 °C | -0.1 °C | 221 mm | +35 mm |
| Sep | 29.4 °C | 0.0 °C | 203 mm | +33 mm |
| Oct | 28.6 °C | -0.2 °C | 220 mm | +21 mm |
| Nov | 27.9 °C | +0.4 °C | 66 mm | -60 mm |
| Dec | 27.4 °C | +0.4 °C | 20 mm | -34 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 Sathyamangalam?
Sathyamangalam has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.9 °C and it receives 1,362 mm of precipitation per year.
What is the hottest day ever recorded in Sathyamangalam?
The hottest day measured in Sathyamangalam between 1940 and 2025 was 15 May 1952, reaching 38.2 °C.
What is the coldest day in Sathyamangalam?
The coldest day measured in Sathyamangalam between 1940 and 2025 was 1 January 1951, at 12.3 °C.
Does it snow in Sathyamangalam?
Almost never: Sathyamangalam sees virtually no snow, with about 0 frost days per year.
Has the climate of Sathyamangalam warmed?
Yes: Sathyamangalam warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sathyamangalam?
The wettest day measured in Sathyamangalam between 1940 and 2025 was 21 October 1963, with 144 mm of rain in 24 hours.
What was the windiest day in Sathyamangalam?
The windiest day measured in Sathyamangalam between 1940 and 2025 was 2 June 1946, with winds reaching 19.2 km/h.
What is the warmest month in Sathyamangalam?
The warmest month in Sathyamangalam is April (28.1 °C on average); the coldest is December (22.4 °C).
How much does it rain in Sathyamangalam?
Sathyamangalam receives on average 1,362 mm of precipitation per year, spread over about 174 rainy days.
Is it sunny in Sathyamangalam?
Sathyamangalam gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Sathyamangalam?
Yes: Sathyamangalam has on average 267 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sathyamangalam?
In Sathyamangalam, between 1940 and 2025, the highest apparent temperature reached 43.2 °C on 2 June 2014, and the lowest was 11.3 °C on 1 January 1951.
Compare Sathyamangalam with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sathyamangalam