Hambantota climate — normals and trends
Hambantota (Sri Lanka) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.5 °C and it receives 1,137 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 November.
Hambantota averages 0 frost days, 2 hot days (≥ 30 °C) and 200 rainy days per year.
Hambantota has warmed by +0.8 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.2 °C (on 4 April 2021) and the coldest 22.4 °C (on 13 January 2011).
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
HambantotaSouthern Province
- coords
- 6.12°, 81.12°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.5°C
Average daily high
27.7°C
Average daily low
25.5°C
Annual rainfall
1,137mm
Sunshine / day
10.6h
Mean relative humidity
83%
Average peak wind
27.5km/h
Seasonal range
1.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
200 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.2 °C
Average feels-like low
27.9 °C
Average peak gust
38.1 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
20.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.63 · 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
4 April 2021
Coldest day
22.4 °C
13 January 2011
Wettest day
186 mm
8 November 1942
Windiest day
57.4 km/h
1 June 1991
Strongest gust
78.8 km/h
24 November 1978
Hottest feels-like
38.4 °C
22 March 1988
Coldest feels-like
20.9 °C
13 January 2011
Sunniest day
12.3 h
27 May 1958
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 | 27.3 °C | -0.2 °C | 341 mm | +279 mm |
| Feb | 28.6 °C | +0.8 °C | 99 mm | +57 mm |
| Mar | 28.4 °C | +0.4 °C | 117 mm | +49 mm |
| Apr | 28.8 °C | +0.4 °C | 166 mm | +62 mm |
| May | 28.9 °C | +0.5 °C | 128 mm | +17 mm |
| Jun | 28.5 °C | +0.7 °C | 48 mm | -23 mm |
| Jul | 28.4 °C | +0.8 °C | 28 mm | -27 mm |
| Aug | 28.3 °C | +0.9 °C | 10 mm | -55 mm |
| Sep | 28.5 °C | +1.1 °C | 45 mm | -45 mm |
| Oct | 28.3 °C | +0.9 °C | 145 mm | +10 mm |
| Nov | 27.8 °C | +0.4 °C | 348 mm | +152 mm |
| Dec | 27.8 °C | +0.5 °C | 115 mm | -23 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 Hambantota?
Hambantota has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.5 °C and it receives 1,137 mm of precipitation per year.
What is the hottest day ever recorded in Hambantota?
The hottest day measured in Hambantota between 1940 and 2025 was 4 April 2021, reaching 31.2 °C.
What is the coldest day in Hambantota?
The coldest day measured in Hambantota between 1940 and 2025 was 13 January 2011, at 22.4 °C.
Does it snow in Hambantota?
Almost never: Hambantota sees virtually no snow, with about 0 frost days per year.
Has the climate of Hambantota warmed?
Yes: Hambantota warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hambantota?
The wettest day measured in Hambantota between 1940 and 2025 was 8 November 1942, with 186 mm of rain in 24 hours.
What was the windiest day in Hambantota?
The windiest day measured in Hambantota between 1940 and 2025 was 1 June 1991, with winds reaching 57.4 km/h.
What is the warmest month in Hambantota?
The warmest month in Hambantota is April (27.4 °C on average); the coldest is January (26.0 °C).
How much does it rain in Hambantota?
Hambantota receives on average 1,137 mm of precipitation per year, spread over about 200 rainy days.
Is it sunny in Hambantota?
Hambantota gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
Are there tropical nights in Hambantota?
Yes: Hambantota has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Hambantota?
In Hambantota, between 1940 and 2025, the highest apparent temperature reached 38.4 °C on 22 March 1988, and the lowest was 20.9 °C on 13 January 2011.
Compare Hambantota with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hambantota