Colombo climate — normals and trends
Colombo (Brazil) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 17.3 °C and it receives 1,439 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 February (20.7 °C on average) and the coldest is July (13.3 °C). Rainfall peaks in January.
Colombo averages 1 frost days, 6 hot days (≥ 30 °C) and 165 rainy days per year.
Colombo has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 34.1 °C (on 8 January 2024) and the coldest -5.8 °C (on 18 July 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
ColomboParaná
- coords
- -25.29°, -49.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.3°C
Average daily high
22.1°C
Average daily low
13.7°C
Annual rainfall
1,439mm
Sunshine / day
8.3h
Mean relative humidity
85%
Average peak wind
13.2km/h
Seasonal range
7.4°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
165 d/yr
Annual snowfall
0.0 cm
Average feels-like high
23.1 °C
Average feels-like low
13.7 °C
Average peak gust
32.6 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
15.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.47 · 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
34.1 °C
8 January 2024
Coldest day
-5.8 °C
18 July 1975
Wettest day
120 mm
7 February 1996
Windiest day
39.2 km/h
10 December 2025
Strongest gust
96.1 km/h
19 September 2012
Hottest feels-like
38.1 °C
19 January 1988
Coldest feels-like
-9.8 °C
18 July 1975
Snowiest day
0.1 cm
17 July 1975
Sunniest day
13.6 h
15 December 1942
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 | 25.5 °C | +0.1 °C | 255 mm | +47 mm |
| Feb | 27.3 °C | +2.0 °C | 184 mm | +3 mm |
| Mar | 26.3 °C | +1.8 °C | 72 mm | -66 mm |
| Apr | 21.9 °C | -0.5 °C | 102 mm | +28 mm |
| May | 20.6 °C | +0.9 °C | 77 mm | -4 mm |
| Jun | 17.9 °C | -0.5 °C | 111 mm | +29 mm |
| Jul | 17.4 °C | -0.9 °C | 30 mm | -45 mm |
| Aug | 19.2 °C | -0.8 °C | 39 mm | -32 mm |
| Sep | 21.7 °C | +0.7 °C | 63 mm | -49 mm |
| Oct | 20.9 °C | -1.1 °C | 183 mm | +48 mm |
| Nov | 23.3 °C | -0.1 °C | 153 mm | +31 mm |
| Dec | 26.9 °C | +2.3 °C | 182 mm | +22 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 Colombo?
Colombo has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 17.3 °C and it receives 1,439 mm of precipitation per year.
What is the hottest day ever recorded in Colombo?
The hottest day measured in Colombo between 1940 and 2025 was 8 January 2024, reaching 34.1 °C.
What is the coldest day in Colombo?
The coldest day measured in Colombo between 1940 and 2025 was 18 July 1975, at -5.8 °C.
Does it snow in Colombo?
Almost never: Colombo sees virtually no snow, with about 1 frost days per year.
Has the climate of Colombo warmed?
Yes: Colombo warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Colombo?
The wettest day measured in Colombo between 1940 and 2025 was 7 February 1996, with 120 mm of rain in 24 hours.
What was the windiest day in Colombo?
The windiest day measured in Colombo between 1940 and 2025 was 10 December 2025, with winds reaching 39.2 km/h.
What is the warmest month in Colombo?
The warmest month in Colombo is February (20.7 °C on average); the coldest is July (13.3 °C).
How much does it rain in Colombo?
Colombo receives on average 1,439 mm of precipitation per year, spread over about 165 rainy days.
Is it sunny in Colombo?
Colombo gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.
What is the biggest single-day snowfall in Colombo?
The heaviest 24-hour snowfall measured in Colombo between 1940 and 2025 was 17 July 1975, with 0.1 cm.
Are there tropical nights in Colombo?
Yes: Colombo has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Colombo?
In Colombo, between 1940 and 2025, the highest apparent temperature reached 38.1 °C on 19 January 1988, and the lowest was -9.8 °C on 18 July 1975.
Compare Colombo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Colombo