Benin City climate

Name: Benin City
Address: NG

Benin City is warmest in January, with average highs of 33 °C, and coldest in August, when nights average 22 °C. September is the wettest month (296 mm) and December the driest (27 mm). Figures are 1991–2020 climate normals.

Across a full year Benin City averages 2,174 mm of rain and 359 days above 25 °C.

Nigeria · population 1,782,000 · 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 January 33 °C
Coldest month August 22 °C
Driest month December 27 mm
Wettest month September 296 mm
Least cloud December 53 % cloud
Hottest on record February 39 °C
Coldest on record December 17 °C

What to expectBenin City through the year

Benin City has a clear annual cycle: average daily highs run from 27 °C in August to 33 °C in January, a swing of 3.4 °C in mean temperature across the year.

Counted across a normal year, 359 days a year reach 25 °C, 171 of them reach 30 °C. The warmest reading in the 1991–2020 record is 39 °C, in February.

Rain is strongly seasonal. September averages 296 mm against 27 mm in December — 11 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	33.3 °C	32 mm	58 %
February	33.1 °C	57 mm	68 %
March	31.7 °C	136 mm	81 %
April	30.5 °C	198 mm	86 %
May	29.7 °C	251 mm	87 %
June	28.2 °C	290 mm	87 %
July	27.2 °C	289 mm	89 %
August	27.3 °C	256 mm	89 %
September	27.8 °C	296 mm	89 %
October	28.8 °C	254 mm	88 %
November	30.1 °C	89 mm	73 %
December	31.9 °C	27 mm	53 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	33.3 °C	22.8 °C	27.0 °C	37.5 °C	17.2 °C	31	29
February	33.1 °C	24.0 °C	27.4 °C	38.7 °C	17.7 °C	28	26
March	31.7 °C	24.3 °C	26.9 °C	38.7 °C	19.1 °C	31	27
April	30.5 °C	24.0 °C	26.3 °C	35.5 °C	22.0 °C	30	21
May	29.7 °C	23.5 °C	25.7 °C	33.0 °C	21.4 °C	31	15
June	28.2 °C	22.8 °C	24.7 °C	31.3 °C	20.8 °C	30	2
July	27.2 °C	22.2 °C	24.0 °C	30.4 °C	20.1 °C	29	0
August	27.3 °C	22.1 °C	24.0 °C	30.5 °C	20.4 °C	29	0
September	27.8 °C	22.3 °C	24.2 °C	30.8 °C	20.9 °C	29	1
October	28.8 °C	22.6 °C	24.8 °C	31.5 °C	20.8 °C	31	5
November	30.1 °C	23.0 °C	25.7 °C	33.3 °C	19.9 °C	30	17
December	31.9 °C	22.9 °C	26.5 °C	35.9 °C	16.5 °C	31	28

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	32 mm	8	12 h/day	58 %	73 %	11 km/h
February	57 mm	14	12 h/day	68 %	78 %	12 km/h
March	136 mm	23	12 h/day	81 %	85 %	12 km/h
April	198 mm	25	12 h/day	86 %	88 %	10 km/h
May	251 mm	28	12 h/day	87 %	90 %	9.5 km/h
June	290 mm	29	12 h/day	87 %	92 %	9.5 km/h
July	289 mm	30	12 h/day	89 %	91 %	11 km/h
August	256 mm	28	12 h/day	89 %	90 %	11 km/h
September	296 mm	29	12 h/day	89 %	91 %	9.9 km/h
October	254 mm	29	12 h/day	88 %	91 %	8.6 km/h
November	89 mm	17	12 h/day	73 %	88 %	8.7 km/h
December	27 mm	7	12 h/day	53 %	80 %	10 km/h

How Benin City 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
Benin City	33 °C	22 °C	2,174 mm	359
Sapele · Nigeria	33 °C	22 °C	2,454 mm	362
Warri · Nigeria	33 °C	23 °C	2,819 mm	362
Owo · Nigeria	34 °C	21 °C	1,506 mm	356
Akure · Nigeria	34 °C	21 °C	1,546 mm	353
Ondo · Nigeria	33 °C	21 °C	1,902 mm	353
Ise-Ekiti · Nigeria	34 °C	21 °C	1,375 mm	355

Planning a trip? See the best time to visit Benin City.

QuestionsCommon questions about Benin City’s climate

When is the best time to visit Benin City?

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, January is the warmest month and December the driest. The month-by-month table above has the full picture.

How hot does Benin City get?

In January, the warmest month, daily highs average 33 °C. About 171 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °C.

How cold does it get in winter?

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

Which month is wettest in Benin City?

September, averaging 296 mm over 29 days with rain. The driest month is December with 27 mm. The year as a whole averages 2,174 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 Benin City 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: 6.338°, 5.626° (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.