Abomey-Calavi climate

Name: Abomey-Calavi
Address: BJ

Abomey-Calavi is warmest in March, with average highs of 30 °C, and coldest in August, when nights average 23 °C. June is the wettest month (214 mm) and January the driest (25 mm). Figures are 1991–2020 climate normals.

Across a full year Abomey-Calavi averages 1,210 mm of rain and 362 days above 25 °C.

Benin · population 385,755 · 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 March 30 °C
Coldest month August 23 °C
Driest month January 25 mm
Wettest month June 214 mm
Least cloud December 40 % cloud
Hottest on record February 36 °C
Coldest on record January 17 °C
Warmest sea May 29 °C

What to expectAbomey-Calavi through the year

Abomey-Calavi has a clear annual cycle: average daily highs run from 26 °C in August to 30 °C in March, a swing of 3.5 °C in mean temperature across the year.

Counted across a normal year, 362 days a year reach 25 °C, 63 of them reach 30 °C. The warmest reading in the 1991–2020 record is 36 °C, in February.

Rain is strongly seasonal. June averages 214 mm against 25 mm in January — 8.5 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Abomey-Calavi is warmest in May at 29 °C and coldest in August at 25 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	29.6 °C	25 mm	48 %
February	30.0 °C	38 mm	57 %
March	30.1 °C	65 mm	68 %
April	29.9 °C	90 mm	74 %
May	29.0 °C	169 mm	79 %
June	27.5 °C	214 mm	81 %
July	26.5 °C	126 mm	81 %
August	26.2 °C	94 mm	80 %
September	26.9 °C	138 mm	80 %
October	27.9 °C	147 mm	72 %
November	28.9 °C	72 mm	52 %
December	29.5 °C	31 mm	40 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	29.6 °C	25.0 °C	27.0 °C	34.7 °C	17.1 °C	31	7
February	30.0 °C	26.0 °C	27.7 °C	35.5 °C	20.5 °C	28	12
March	30.1 °C	26.6 °C	28.1 °C	32.5 °C	21.9 °C	31	17
April	29.9 °C	26.4 °C	27.9 °C	32.9 °C	24.0 °C	30	12
May	29.0 °C	25.7 °C	27.3 °C	32.8 °C	23.0 °C	31	5
June	27.5 °C	24.6 °C	25.9 °C	31.6 °C	22.8 °C	30	0
July	26.5 °C	23.9 °C	25.0 °C	29.5 °C	22.4 °C	30	0
August	26.2 °C	23.5 °C	24.6 °C	29.9 °C	21.4 °C	29	0
September	26.9 °C	23.9 °C	25.2 °C	30.0 °C	22.6 °C	30	0
October	27.9 °C	24.6 °C	26.0 °C	31.6 °C	22.3 °C	31	1
November	28.9 °C	25.5 °C	27.1 °C	32.6 °C	23.2 °C	30	3
December	29.5 °C	25.4 °C	27.2 °C	34.2 °C	20.2 °C	31	6

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	25 mm	7	12 h/day	48 %	80 %	15 km/h	27.7 °C
February	38 mm	9	12 h/day	57 %	82 %	16 km/h	28.2 °C
March	65 mm	15	12 h/day	68 %	82 %	16 km/h	28.7 °C
April	90 mm	17	12 h/day	74 %	82 %	16 km/h	28.8 °C
May	169 mm	24	12 h/day	79 %	84 %	14 km/h	29.0 °C
June	214 mm	25	12 h/day	81 %	85 %	14 km/h	27.7 °C
July	126 mm	20	12 h/day	81 %	85 %	16 km/h	25.7 °C
August	94 mm	16	12 h/day	80 %	86 %	17 km/h	24.8 °C
September	138 mm	22	12 h/day	80 %	86 %	15 km/h	25.9 °C
October	147 mm	24	12 h/day	72 %	85 %	13 km/h	27.4 °C
November	72 mm	17	12 h/day	52 %	83 %	13 km/h	28.6 °C
December	31 mm	8	12 h/day	40 %	82 %	13 km/h	28.3 °C

How Abomey-Calavi 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
Abomey-Calavi	30 °C	23 °C	1,210 mm	362
Cotonou · Benin	30 °C	24 °C	1,263 mm	363
Porto-Novo · Benin	31 °C	23 °C	1,274 mm	362
Ota · Nigeria	33 °C	22 °C	1,642 mm	361
Ajegunle · Nigeria	31 °C	24 °C	1,515 mm	362
Agege · Nigeria	32 °C	23 °C	1,497 mm	362
Lagos · Nigeria	31 °C	24 °C	1,589 mm	362

Where Abomey-Calavi ranks

Ranking	Position	Value
Warmest sea temperatures in Africa in May	11thof 50	29 °C
Warmest sea temperatures in Africa in November	13thof 50	29 °C
Warmest sea temperatures in Africa in June	18thof 50	28 °C
Warmest sea temperatures in Africa in December	20thof 50	28 °C
Best beach destinations in Africa in January	22ndof 50	87/100
Warmest sea temperatures in Africa in February	22ndof 50	28 °C

Planning a trip? See the best time to visit Abomey-Calavi.

QuestionsCommon questions about Abomey-Calavi’s climate

When is the best time to visit Abomey-Calavi?

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

How hot does Abomey-Calavi get?

In March, the warmest month, daily highs average 30 °C. About 63 days a year pass 30 °C. The highest value in the 1991–2020 record is 36 °C.

How cold does it get in winter?

Nights average 23 °C in August, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Abomey-Calavi?

June, averaging 214 mm over 25 days with rain. The driest month is January with 25 mm. The year as a whole averages 1,210 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 Abomey-Calavi 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
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.