Salem climate — normals and trends
Salem (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.2 °C and it receives 918 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 (29.7 °C on average) and the coldest is December (22.9 °C). Rainfall peaks in October.
Salem averages 0 frost days, 237 hot days (≥ 30 °C) and 132 rainy days per year.
Salem has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.1 °C (on 25 April 1956) and the coldest 12.2 °C (on 1 January 1942).
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
SalemTamil Nadu
- coords
- 11.65°, 78.16°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.2°C
Average daily high
31.5°C
Average daily low
21.9°C
Annual rainfall
918mm
Sunshine / day
10.2h
Mean relative humidity
68%
Average peak wind
11.8km/h
Seasonal range
6.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
237 d/yr
Rainy days (≥ 1 mm)
132 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.1 °C
Average feels-like low
24.9 °C
Average peak gust
34.4 km/h
Tropical nights (≥ 20 °C)
294 d/yr
Solar radiation
19.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.41 · 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
41.1 °C
25 April 1956
Coldest day
12.2 °C
1 January 1942
Wettest day
141 mm
21 October 1963
Windiest day
29.0 km/h
14 August 1978
Strongest gust
80.6 km/h
16 August 2018
Hottest feels-like
45.1 °C
23 May 2014
Coldest feels-like
11.6 °C
15 January 1940
Sunniest day
12.4 h
16 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 | 27.8 °C | -1.1 °C | 11 mm | +1 mm |
| Feb | 31.8 °C | 0.0 °C | 0 mm | -8 mm |
| Mar | 34.2 °C | -0.5 °C | 19 mm | +1 mm |
| Apr | 34.6 °C | -1.2 °C | 80 mm | +28 mm |
| May | 32.7 °C | -2.4 °C | 168 mm | +71 mm |
| Jun | 31.6 °C | -0.8 °C | 75 mm | -7 mm |
| Jul | 31.1 °C | 0.0 °C | 83 mm | -11 mm |
| Aug | 30.5 °C | -0.6 °C | 98 mm | +2 mm |
| Sep | 30.9 °C | -0.3 °C | 84 mm | -44 mm |
| Oct | 29.8 °C | 0.0 °C | 167 mm | -9 mm |
| Nov | 28.8 °C | +0.5 °C | 102 mm | -9 mm |
| Dec | 27.7 °C | +0.1 °C | 27 mm | -21 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 Salem?
Salem has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.2 °C and it receives 918 mm of precipitation per year.
What is the hottest day ever recorded in Salem?
The hottest day measured in Salem between 1940 and 2025 was 25 April 1956, reaching 41.1 °C.
What is the coldest day in Salem?
The coldest day measured in Salem between 1940 and 2025 was 1 January 1942, at 12.2 °C.
Does it snow in Salem?
Almost never: Salem sees virtually no snow, with about 0 frost days per year.
Has the climate of Salem warmed?
Yes: Salem warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Salem?
The wettest day measured in Salem between 1940 and 2025 was 21 October 1963, with 141 mm of rain in 24 hours.
What was the windiest day in Salem?
The windiest day measured in Salem between 1940 and 2025 was 14 August 1978, with winds reaching 29.0 km/h.
What is the warmest month in Salem?
The warmest month in Salem is April (29.7 °C on average); the coldest is December (22.9 °C).
How much does it rain in Salem?
Salem receives on average 918 mm of precipitation per year, spread over about 132 rainy days.
Is it sunny in Salem?
Salem gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Salem?
Yes: Salem has on average 294 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Salem?
In Salem, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 23 May 2014, and the lowest was 11.6 °C on 15 January 1940.
Compare Salem with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Salem