Sincelejo climate

Name: Sincelejo
Address: CO

Sincelejo is warmest in February, with average highs of 33 °C, and coldest in December, when nights average 22 °C. May is the wettest month (285 mm) and January the driest (31 mm). Figures are 1991–2020 climate normals.

Across a full year Sincelejo averages 2,118 mm of rain and 365 days above 25 °C.

Colombia · population 277,773 · 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 33 °C
Coldest month December 22 °C
Driest month January 31 mm
Wettest month May 285 mm
Least cloud January 44 % cloud
Hottest on record February 38 °C
Coldest on record December 19 °C

What to expectSincelejo through the year

Sincelejo changes little through the year. Average daily highs stay between 29 and 33 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 365 days a year reach 25 °C, 127 of them reach 30 °C. The warmest reading in the 1991–2020 record is 38 °C, in February.

Rain is strongly seasonal. May averages 285 mm against 31 mm in January — 9.2 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	30.8 °C	31 mm	44 %
February	32.5 °C	34 mm	48 %
March	32.0 °C	75 mm	61 %
April	30.3 °C	180 mm	84 %
May	29.2 °C	285 mm	92 %
June	29.3 °C	261 mm	91 %
July	29.4 °C	239 mm	91 %
August	29.3 °C	245 mm	92 %
September	28.8 °C	245 mm	92 %
October	28.5 °C	243 mm	90 %
November	28.4 °C	189 mm	82 %
December	29.1 °C	92 mm	63 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	30.8 °C	22.4 °C	26.1 °C	37.0 °C	19.2 °C	31	19
February	32.5 °C	23.2 °C	27.0 °C	38.3 °C	19.2 °C	28	24
March	32.0 °C	23.5 °C	26.9 °C	37.7 °C	20.0 °C	31	24
April	30.3 °C	23.3 °C	26.1 °C	36.5 °C	20.7 °C	30	15
May	29.2 °C	23.1 °C	25.5 °C	34.0 °C	19.9 °C	31	6
June	29.3 °C	23.0 °C	25.6 °C	33.7 °C	21.5 °C	30	7
July	29.4 °C	22.9 °C	25.6 °C	34.5 °C	20.5 °C	31	9
August	29.3 °C	22.9 °C	25.5 °C	33.3 °C	20.9 °C	31	8
September	28.8 °C	22.7 °C	25.2 °C	32.4 °C	21.1 °C	30	4
October	28.5 °C	22.5 °C	24.9 °C	32.5 °C	19.8 °C	31	2
November	28.4 °C	22.3 °C	24.8 °C	33.0 °C	19.8 °C	30	1
December	29.1 °C	22.2 °C	25.2 °C	33.6 °C	18.9 °C	31	7

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	31 mm	8	12 h/day	44 %	78 %	13 km/h
February	34 mm	8	12 h/day	48 %	73 %	16 km/h
March	75 mm	15	12 h/day	61 %	77 %	16 km/h
April	180 mm	25	12 h/day	84 %	85 %	13 km/h
May	285 mm	29	13 h/day	92 %	89 %	11 km/h
June	261 mm	27	13 h/day	91 %	88 %	11 km/h
July	239 mm	27	13 h/day	91 %	88 %	12 km/h
August	245 mm	28	12 h/day	92 %	88 %	12 km/h
September	245 mm	29	12 h/day	92 %	89 %	11 km/h
October	243 mm	29	12 h/day	90 %	89 %	11 km/h
November	189 mm	27	12 h/day	82 %	89 %	11 km/h
December	92 mm	18	12 h/day	63 %	86 %	11 km/h

Where Sincelejo ranks

Ranking	Position	Value
The warmest places in South America in February	13th of 50	33 °C
The warmest places in South America in March	19th of 50	32 °C
The warmest places in South America in January	39th of 50	31 °C
The warmest places in South America in April	47th of 50	30 °C

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

QuestionsCommon questions about Sincelejo’s climate

When is the best time to visit Sincelejo?

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

How hot does Sincelejo get?

In February, the warmest month, daily highs average 33 °C. About 127 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average 22 °C in December, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Sincelejo?

May, averaging 285 mm over 29 days with rain. The driest month is January with 31 mm. The year as a whole averages 2,118 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 Sincelejo 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: 9.305°, -75.391° (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.