Omalur climate — normals and trends
Omalur (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.9 °C and it receives 873 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 (30.4 °C on average) and the coldest is December (23.7 °C). Rainfall peaks in October.
Omalur averages 0 frost days, 271 hot days (≥ 30 °C) and 133 rainy days per year.
Omalur has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.7 °C (on 25 April 1956) and the coldest 12.9 °C (on 31 December 1941).
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
OmalurTamil Nadu
- coords
- 11.74°, 78.05°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.9°C
Average daily high
32.3°C
Average daily low
22.6°C
Annual rainfall
873mm
Sunshine / day
10.2h
Mean relative humidity
66%
Average peak wind
10.7km/h
Seasonal range
6.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
271 d/yr
Rainy days (≥ 1 mm)
133 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.2 °C
Average feels-like low
25.7 °C
Average peak gust
30.5 km/h
Tropical nights (≥ 20 °C)
314 d/yr
Solar radiation
19.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.44 · 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
41.7 °C
25 April 1956
Coldest day
12.9 °C
31 December 1941
Wettest day
135 mm
24 September 2019
Windiest day
29.0 km/h
14 August 1978
Strongest gust
74.2 km/h
3 August 2004
Hottest feels-like
46.1 °C
23 May 2014
Coldest feels-like
12.2 °C
11 December 1981
Sunniest day
12.4 h
14 May 1953
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 | 28.7 °C | -1.2 °C | 8 mm | -1 mm |
| Feb | 32.4 °C | -0.3 °C | 1 mm | -7 mm |
| Mar | 34.4 °C | -0.9 °C | 18 mm | +1 mm |
| Apr | 34.5 °C | -2.0 °C | 81 mm | +35 mm |
| May | 33.3 °C | -2.6 °C | 154 mm | +64 mm |
| Jun | 32.5 °C | -0.4 °C | 75 mm | -13 mm |
| Jul | 32.0 °C | +0.3 °C | 91 mm | -8 mm |
| Aug | 31.3 °C | -0.5 °C | 108 mm | +14 mm |
| Sep | 31.9 °C | -0.1 °C | 76 mm | -40 mm |
| Oct | 30.6 °C | -0.1 °C | 165 mm | +3 mm |
| Nov | 30.0 °C | +0.8 °C | 73 mm | -30 mm |
| Dec | 28.9 °C | +0.3 °C | 19 mm | -25 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 Omalur?
Omalur has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.9 °C and it receives 873 mm of precipitation per year.
What is the hottest day ever recorded in Omalur?
The hottest day measured in Omalur between 1940 and 2025 was 25 April 1956, reaching 41.7 °C.
What is the coldest day in Omalur?
The coldest day measured in Omalur between 1940 and 2025 was 31 December 1941, at 12.9 °C.
Does it snow in Omalur?
Almost never: Omalur sees virtually no snow, with about 0 frost days per year.
Has the climate of Omalur warmed?
Yes: Omalur warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Omalur?
The wettest day measured in Omalur between 1940 and 2025 was 24 September 2019, with 135 mm of rain in 24 hours.
What was the windiest day in Omalur?
The windiest day measured in Omalur between 1940 and 2025 was 14 August 1978, with winds reaching 29.0 km/h.
What is the warmest month in Omalur?
The warmest month in Omalur is April (30.4 °C on average); the coldest is December (23.7 °C).
How much does it rain in Omalur?
Omalur receives on average 873 mm of precipitation per year, spread over about 133 rainy days.
Is it sunny in Omalur?
Omalur gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Omalur?
Yes: Omalur has on average 314 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Omalur?
In Omalur, between 1940 and 2025, the highest apparent temperature reached 46.1 °C on 23 May 2014, and the lowest was 12.2 °C on 11 December 1981.
Compare Omalur with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Omalur