Nagercoil climate — normals and trends
Nagercoil (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.1 °C and it receives 909 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 (28.8 °C on average) and the coldest is December (25.9 °C). Rainfall peaks in November.
Nagercoil averages 0 frost days, 253 hot days (≥ 30 °C) and 145 rainy days per year.
Nagercoil has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.4 °C (on 2 April 2014) and the coldest 17.2 °C (on 27 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
NagercoilTamil Nadu
- coords
- 8.18°, 77.43°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.1°C
Average daily high
31.1°C
Average daily low
24.0°C
Annual rainfall
909mm
Sunshine / day
10.7h
Mean relative humidity
75%
Average peak wind
18.4km/h
Seasonal range
2.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
253 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.6 °C
Average feels-like low
27.4 °C
Average peak gust
44.8 km/h
Tropical nights (≥ 20 °C)
361 d/yr
Solar radiation
20.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.87 · 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
37.4 °C
2 April 2014
Coldest day
17.2 °C
27 December 1941
Wettest day
200 mm
13 November 1992
Windiest day
38.6 km/h
27 May 1941
Strongest gust
104.4 km/h
30 November 2017
Hottest feels-like
43.5 °C
4 April 2016
Coldest feels-like
15.5 °C
1 January 1951
Sunniest day
12.1 h
22 May 1981
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 | 30.3 °C | -0.5 °C | 51 mm | +34 mm |
| Feb | 33.4 °C | +1.0 °C | 4 mm | -10 mm |
| Mar | 33.4 °C | -0.1 °C | 86 mm | +50 mm |
| Apr | 32.7 °C | -0.5 °C | 124 mm | +50 mm |
| May | 31.9 °C | -0.3 °C | 105 mm | +13 mm |
| Jun | 31.1 °C | +0.9 °C | 100 mm | +4 mm |
| Jul | 31.0 °C | +0.9 °C | 171 mm | +105 mm |
| Aug | 31.3 °C | +0.8 °C | 18 mm | -36 mm |
| Sep | 32.4 °C | +1.5 °C | 38 mm | -25 mm |
| Oct | 31.0 °C | +0.8 °C | 293 mm | +133 mm |
| Nov | 29.3 °C | -0.1 °C | 353 mm | +178 mm |
| Dec | 29.6 °C | -0.1 °C | 10 mm | -52 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 Nagercoil?
Nagercoil has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 909 mm of precipitation per year.
What is the hottest day ever recorded in Nagercoil?
The hottest day measured in Nagercoil between 1940 and 2025 was 2 April 2014, reaching 37.4 °C.
What is the coldest day in Nagercoil?
The coldest day measured in Nagercoil between 1940 and 2025 was 27 December 1941, at 17.2 °C.
Does it snow in Nagercoil?
Almost never: Nagercoil sees virtually no snow, with about 0 frost days per year.
Has the climate of Nagercoil warmed?
Yes: Nagercoil warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nagercoil?
The wettest day measured in Nagercoil between 1940 and 2025 was 13 November 1992, with 200 mm of rain in 24 hours.
What was the windiest day in Nagercoil?
The windiest day measured in Nagercoil between 1940 and 2025 was 27 May 1941, with winds reaching 38.6 km/h.
What is the warmest month in Nagercoil?
The warmest month in Nagercoil is April (28.8 °C on average); the coldest is December (25.9 °C).
How much does it rain in Nagercoil?
Nagercoil receives on average 909 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Nagercoil?
Nagercoil gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Nagercoil?
Yes: Nagercoil has on average 361 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nagercoil?
In Nagercoil, between 1940 and 2025, the highest apparent temperature reached 43.5 °C on 4 April 2016, and the lowest was 15.5 °C on 1 January 1951.
Compare Nagercoil with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nagercoil