Cherthala climate — normals and trends
Cherthala (India) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.4 °C and it receives 2,780 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 (27.8 °C on average) and the coldest is August (25.2 °C). Rainfall peaks in June.
Cherthala averages 0 frost days, 3 hot days (≥ 30 °C) and 273 rainy days per year.
Cherthala has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.4 °C (on 25 April 2024) and the coldest 22.0 °C (on 25 July 1943).
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
CherthalaKerala
- coords
- 9.68°, 76.34°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.4°C
Average daily high
27.4°C
Average daily low
25.3°C
Annual rainfall
2,780mm
Sunshine / day
9.8h
Mean relative humidity
83%
Average peak wind
20.7km/h
Seasonal range
2.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
273 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.2 °C
Average feels-like low
29.0 °C
Average peak gust
32.1 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
18.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.70 · 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
31.4 °C
25 April 2024
Coldest day
22.0 °C
25 July 1943
Wettest day
207 mm
4 May 1964
Windiest day
54.2 km/h
14 November 1992
Strongest gust
85.3 km/h
14 November 1992
Hottest feels-like
39.8 °C
2 May 2024
Coldest feels-like
22.2 °C
8 November 1964
Sunniest day
12.0 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 | 28.2 °C | +0.9 °C | 39 mm | -1 mm |
| Feb | 28.8 °C | +0.9 °C | 22 mm | -16 mm |
| Mar | 29.5 °C | +0.9 °C | 84 mm | +15 mm |
| Apr | 29.4 °C | +0.4 °C | 182 mm | +22 mm |
| May | 28.9 °C | +0.4 °C | 547 mm | +182 mm |
| Jun | 27.5 °C | +0.6 °C | 515 mm | -22 mm |
| Jul | 26.7 °C | +0.5 °C | 651 mm | +194 mm |
| Aug | 26.4 °C | +0.4 °C | 359 mm | +16 mm |
| Sep | 27.0 °C | +0.6 °C | 183 mm | -53 mm |
| Oct | 27.8 °C | +0.8 °C | 297 mm | +36 mm |
| Nov | 27.8 °C | +0.5 °C | 195 mm | -3 mm |
| Dec | 27.4 °C | 0.0 °C | 36 mm | -41 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 Cherthala?
Cherthala has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.4 °C and it receives 2,780 mm of precipitation per year.
What is the hottest day ever recorded in Cherthala?
The hottest day measured in Cherthala between 1940 and 2025 was 25 April 2024, reaching 31.4 °C.
What is the coldest day in Cherthala?
The coldest day measured in Cherthala between 1940 and 2025 was 25 July 1943, at 22.0 °C.
Does it snow in Cherthala?
Almost never: Cherthala sees virtually no snow, with about 0 frost days per year.
Has the climate of Cherthala warmed?
Yes: Cherthala warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Cherthala?
The wettest day measured in Cherthala between 1940 and 2025 was 4 May 1964, with 207 mm of rain in 24 hours.
What was the windiest day in Cherthala?
The windiest day measured in Cherthala between 1940 and 2025 was 14 November 1992, with winds reaching 54.2 km/h.
What is the warmest month in Cherthala?
The warmest month in Cherthala is April (27.8 °C on average); the coldest is August (25.2 °C).
How much does it rain in Cherthala?
Cherthala receives on average 2,780 mm of precipitation per year, spread over about 273 rainy days.
Is it sunny in Cherthala?
Cherthala gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
Are there tropical nights in Cherthala?
Yes: Cherthala has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Cherthala?
In Cherthala, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 2 May 2024, and the lowest was 22.2 °C on 8 November 1964.
Compare Cherthala with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Cherthala