Ambalangoda climate — normals and trends
Ambalangoda (Sri Lanka) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.5 °C and it receives 2,571 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 (27.4 °C on average) and the coldest is January (26.0 °C). Rainfall peaks in May.
Ambalangoda averages 0 frost days, 1 hot days (≥ 30 °C) and 279 rainy days per year.
Ambalangoda 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 31.2 °C (on 18 March 2020) and the coldest 21.3 °C (on 24 December 1971).
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
AmbalangodaSouthern Province
- coords
- 6.24°, 80.05°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.5°C
Average daily high
27.6°C
Average daily low
25.5°C
Annual rainfall
2,571mm
Sunshine / day
10.3h
Mean relative humidity
84%
Average peak wind
19.3km/h
Seasonal range
1.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
279 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.5 °C
Average feels-like low
28.9 °C
Average peak gust
30.5 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
19.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.69 · 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
31.2 °C
18 March 2020
Coldest day
21.3 °C
24 December 1971
Wettest day
152 mm
15 May 2016
Windiest day
53.9 km/h
29 November 2017
Strongest gust
77.8 km/h
19 May 1955
Hottest feels-like
39.2 °C
28 April 2024
Coldest feels-like
19.8 °C
19 February 1961
Sunniest day
12.2 h
23 May 1951
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 | 27.4 °C | +0.1 °C | 270 mm | +206 mm |
| Feb | 28.4 °C | +0.7 °C | 50 mm | +2 mm |
| Mar | 28.8 °C | +0.6 °C | 126 mm | +53 mm |
| Apr | 28.8 °C | +0.3 °C | 213 mm | +55 mm |
| May | 29.1 °C | +0.9 °C | 244 mm | -117 mm |
| Jun | 28.4 °C | +0.7 °C | 246 mm | -91 mm |
| Jul | 28.0 °C | +0.7 °C | 207 mm | -73 mm |
| Aug | 27.7 °C | +0.6 °C | 133 mm | -138 mm |
| Sep | 28.1 °C | +0.9 °C | 188 mm | -100 mm |
| Oct | 28.1 °C | +0.9 °C | 290 mm | -9 mm |
| Nov | 27.7 °C | +0.3 °C | 434 mm | +186 mm |
| Dec | 27.8 °C | +0.4 °C | 70 mm | -75 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 Ambalangoda?
Ambalangoda has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.5 °C and it receives 2,571 mm of precipitation per year.
What is the hottest day ever recorded in Ambalangoda?
The hottest day measured in Ambalangoda between 1940 and 2025 was 18 March 2020, reaching 31.2 °C.
What is the coldest day in Ambalangoda?
The coldest day measured in Ambalangoda between 1940 and 2025 was 24 December 1971, at 21.3 °C.
Does it snow in Ambalangoda?
Almost never: Ambalangoda sees virtually no snow, with about 0 frost days per year.
Has the climate of Ambalangoda warmed?
Yes: Ambalangoda warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ambalangoda?
The wettest day measured in Ambalangoda between 1940 and 2025 was 15 May 2016, with 152 mm of rain in 24 hours.
What was the windiest day in Ambalangoda?
The windiest day measured in Ambalangoda between 1940 and 2025 was 29 November 2017, with winds reaching 53.9 km/h.
What is the warmest month in Ambalangoda?
The warmest month in Ambalangoda is April (27.4 °C on average); the coldest is January (26.0 °C).
How much does it rain in Ambalangoda?
Ambalangoda receives on average 2,571 mm of precipitation per year, spread over about 279 rainy days.
Is it sunny in Ambalangoda?
Ambalangoda gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Ambalangoda?
Yes: Ambalangoda has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ambalangoda?
In Ambalangoda, between 1940 and 2025, the highest apparent temperature reached 39.2 °C on 28 April 2024, and the lowest was 19.8 °C on 19 February 1961.
Compare Ambalangoda with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ambalangoda