Colombo climate

Name: Colombo
Address: BR

Colombo is warmest in February, with average highs of 24 °C, and coldest in July, when nights average 9.7 °C. January is the wettest month (235 mm) and April the driest (72 mm). Figures are 1991–2020 climate normals.

Across a full year Colombo averages 1,512 mm of rain, 76 days above 25 °C and 1 days below freezing.

Brazil · population 232,212 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month February 24 °C
Coldest month July 9.7 °C
Driest month April 72 mm
Wettest month January 235 mm
Least cloud August 58 % cloud
Hottest on record October 32 °C
Coldest on record July -2.9 °C

What to expectColombo through the year

Colombo has a clear annual cycle: average daily highs run from 18 °C in July to 24 °C in February, a swing of 7.1 °C in mean temperature across the year.

Counted across a normal year, 76 days a year reach 25 °C, 1 of them reach 30 °C, 1 nights drop below freezing. The warmest reading in the 1991–2020 record is 32 °C, in October.

Rain is strongly seasonal. January averages 235 mm against 72 mm in April — 3.3 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	24.4 °C	235 mm	81 %
February	24.4 °C	191 mm	80 %
March	23.4 °C	127 mm	75 %
April	21.9 °C	72 mm	70 %
May	18.8 °C	88 mm	67 %
June	17.9 °C	97 mm	62 %
July	17.8 °C	86 mm	59 %
August	19.4 °C	73 mm	58 %
September	20.4 °C	124 mm	71 %
October	21.7 °C	127 mm	80 %
November	22.4 °C	125 mm	78 %
December	24.1 °C	166 mm	78 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C
January	24.4 °C	17.4 °C	20.2 °C	30.3 °C	11.9 °C	14
February	24.4 °C	17.5 °C	20.2 °C	32.0 °C	9.8 °C	12
March	23.4 °C	16.7 °C	19.3 °C	29.0 °C	9.2 °C	9
April	21.9 °C	14.8 °C	17.7 °C	28.7 °C	2.8 °C	4
May	18.8 °C	11.8 °C	14.8 °C	26.1 °C	0.3 °C	0
June	17.9 °C	10.5 °C	13.6 °C	24.6 °C	-1.3 °C	0
July	17.8 °C	9.7 °C	13.2 °C	24.8 °C	-2.9 °C	0
August	19.4 °C	10.3 °C	14.2 °C	28.3 °C	-1.0 °C	2
September	20.4 °C	12.0 °C	15.5 °C	31.3 °C	0.7 °C	6
October	21.7 °C	13.7 °C	17.0 °C	32.1 °C	6.5 °C	7
November	22.4 °C	14.7 °C	17.9 °C	30.0 °C	6.1 °C	8
December	24.1 °C	16.4 °C	19.6 °C	30.9 °C	9.7 °C	14

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	235 mm	23	14 h/day	81 %	87 %	14 km/h
February	191 mm	21	13 h/day	80 %	88 %	13 km/h
March	127 mm	18	12 h/day	75 %	87 %	13 km/h
April	72 mm	10	12 h/day	70 %	85 %	13 km/h
May	88 mm	9	11 h/day	67 %	85 %	13 km/h
June	97 mm	8	11 h/day	62 %	86 %	13 km/h
July	86 mm	7	11 h/day	59 %	84 %	13 km/h
August	73 mm	7	11 h/day	58 %	83 %	13 km/h
September	124 mm	10	12 h/day	71 %	84 %	15 km/h
October	127 mm	14	13 h/day	80 %	86 %	15 km/h
November	125 mm	15	13 h/day	78 %	85 %	15 km/h
December	166 mm	19	14 h/day	78 %	85 %	14 km/h

How Colombo compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Colombo	24 °C	9.7 °C	1,512 mm	76
Curitiba · Brazil	25 °C	10 °C	1,544 mm	91
São José dos Pinhais · Brazil	25 °C	9.9 °C	1,543 mm	84
Araucária · Brazil	25 °C	9.9 °C	1,563 mm	94
Paranaguá · Brazil	28 °C	15 °C	2,038 mm	149
Ponta Grossa · Brazil	25 °C	9.5 °C	1,444 mm	102
Joinville · Brazil	28 °C	13 °C	1,897 mm	168

Where Colombo ranks

Ranking	Position	Value
The coolest places in South America in March	41st of 50	23 °C
Places with the best weather in South America in April	43rd of 50	86/100
The coolest places in South America in November	43rd of 50	22 °C
The coolest places in South America in May	46th of 50	19 °C
The coolest places in South America year-round	49th of 50	21 °C

Planning a trip? See the best time to visit Colombo.

QuestionsCommon questions about Colombo’s climate

When is the best time to visit Colombo?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, December sit closest to 20 °C on average, February is the warmest month and April the driest. The month-by-month table above has the full picture.

How hot does Colombo get?

In February, the warmest month, daily highs average 24 °C. About 1 days a year pass 30 °C. The highest value in the 1991–2020 record is 32 °C.

How cold does it get in winter?

Nights average 9.7 °C in July, the coldest month. A normal year has 1 nights below freezing.

Which month is wettest in Colombo?

January, averaging 235 mm over 23 days with rain. The driest month is April with 72 mm. The year as a whole averages 1,512 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Colombo rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: -25.292°, -49.224° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.