Pottuvil climate — normals and trends
Pottuvil (Sri Lanka) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.5 °C and it receives 1,201 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 June (29.4 °C on average) and the coldest is January (25.1 °C). Rainfall peaks in November.
Pottuvil averages 0 frost days, 227 hot days (≥ 30 °C) and 187 rainy days per year.
Pottuvil 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 38.1 °C (on 4 May 1976) and the coldest 19.0 °C (on 10 January 1975).
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
PottuvilEastern Province
- coords
- 6.88°, 81.83°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.5°C
Average daily high
31.0°C
Average daily low
24.9°C
Annual rainfall
1,201mm
Sunshine / day
10.5h
Mean relative humidity
75%
Average peak wind
16.8km/h
Seasonal range
4.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
227 d/yr
Rainy days (≥ 1 mm)
187 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.7 °C
Average feels-like low
28.4 °C
Average peak gust
32.8 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
19.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.49 · 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
38.1 °C
4 May 1976
Coldest day
19.0 °C
10 January 1975
Wettest day
193 mm
20 November 2005
Windiest day
40.9 km/h
19 May 1955
Strongest gust
69.5 km/h
23 November 1978
Hottest feels-like
44.3 °C
4 June 2023
Coldest feels-like
19.0 °C
19 February 1961
Sunniest day
12.4 h
2 June 1940
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 | 27.6 °C | -0.1 °C | 359 mm | +228 mm |
| Feb | 29.9 °C | +1.1 °C | 88 mm | +11 mm |
| Mar | 30.4 °C | 0.0 °C | 124 mm | +54 mm |
| Apr | 31.5 °C | -0.2 °C | 180 mm | +99 mm |
| May | 33.1 °C | 0.0 °C | 38 mm | -24 mm |
| Jun | 33.9 °C | +0.2 °C | 18 mm | -19 mm |
| Jul | 34.0 °C | +0.7 °C | 32 mm | -10 mm |
| Aug | 33.9 °C | +0.7 °C | 29 mm | -16 mm |
| Sep | 34.1 °C | +1.2 °C | 48 mm | -9 mm |
| Oct | 32.1 °C | +1.2 °C | 109 mm | -54 mm |
| Nov | 30.1 °C | +1.2 °C | 349 mm | +125 mm |
| Dec | 28.3 °C | +0.5 °C | 120 mm | -96 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 Pottuvil?
Pottuvil has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.5 °C and it receives 1,201 mm of precipitation per year.
What is the hottest day ever recorded in Pottuvil?
The hottest day measured in Pottuvil between 1940 and 2025 was 4 May 1976, reaching 38.1 °C.
What is the coldest day in Pottuvil?
The coldest day measured in Pottuvil between 1940 and 2025 was 10 January 1975, at 19.0 °C.
Does it snow in Pottuvil?
Almost never: Pottuvil sees virtually no snow, with about 0 frost days per year.
Has the climate of Pottuvil warmed?
Yes: Pottuvil warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pottuvil?
The wettest day measured in Pottuvil between 1940 and 2025 was 20 November 2005, with 193 mm of rain in 24 hours.
What was the windiest day in Pottuvil?
The windiest day measured in Pottuvil between 1940 and 2025 was 19 May 1955, with winds reaching 40.9 km/h.
What is the warmest month in Pottuvil?
The warmest month in Pottuvil is June (29.4 °C on average); the coldest is January (25.1 °C).
How much does it rain in Pottuvil?
Pottuvil receives on average 1,201 mm of precipitation per year, spread over about 187 rainy days.
Is it sunny in Pottuvil?
Pottuvil gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in Pottuvil?
Yes: Pottuvil has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pottuvil?
In Pottuvil, between 1940 and 2025, the highest apparent temperature reached 44.3 °C on 4 June 2023, and the lowest was 19.0 °C on 19 February 1961.
Compare Pottuvil with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pottuvil