Oyo climate

Name: Oyo
Address: NG

Oyo is warmest in February, with average highs of 35 °C, and coldest in August, when nights average 21 °C. September is the wettest month (165 mm) and December the driest (4.4 mm). Figures are 1991–2020 climate normals.

Across a full year Oyo averages 1,010 mm of rain and 359 days above 25 °C.

Nigeria · population 736,072 · 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 35 °C
Coldest month August 21 °C
Driest month December 4 mm
Wettest month September 165 mm
Least cloud December 45 % cloud
Hottest on record February 39 °C
Coldest on record December 16 °C

What to expectOyo through the year

Oyo has a clear annual cycle: average daily highs run from 28 °C in August to 35 °C in February, a swing of 4.5 °C in mean temperature across the year.

Counted across a normal year, 359 days a year reach 25 °C, 222 of them reach 30 °C. The warmest reading in the 1991–2020 record is 39 °C, in February.

Rain is strongly seasonal. September averages 165 mm against 4 mm in December — 37 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	34.2 °C	7 mm	47 %
February	35.2 °C	17 mm	57 %
March	34.5 °C	45 mm	75 %
April	32.9 °C	71 mm	81 %
May	31.1 °C	113 mm	85 %
June	29.1 °C	143 mm	86 %
July	27.8 °C	162 mm	88 %
August	27.5 °C	157 mm	89 %
September	28.4 °C	165 mm	88 %
October	29.6 °C	107 mm	85 %
November	31.7 °C	19 mm	67 %
December	33.3 °C	4 mm	45 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	34.2 °C	21.6 °C	27.3 °C	37.2 °C	16.8 °C	31	31
February	35.2 °C	23.0 °C	28.2 °C	38.7 °C	17.5 °C	28	28
March	34.5 °C	24.1 °C	28.1 °C	38.3 °C	17.5 °C	31	31
April	32.9 °C	24.0 °C	27.3 °C	37.4 °C	20.0 °C	30	28
May	31.1 °C	23.6 °C	26.3 °C	35.2 °C	21.2 °C	31	24
June	29.1 °C	22.6 °C	24.9 °C	33.2 °C	20.6 °C	30	7
July	27.8 °C	21.8 °C	23.9 °C	31.0 °C	19.6 °C	29	1
August	27.5 °C	21.5 °C	23.7 °C	30.9 °C	18.6 °C	29	1
September	28.4 °C	21.9 °C	24.2 °C	31.9 °C	20.0 °C	29	3
October	29.6 °C	22.3 °C	25.0 °C	33.2 °C	20.3 °C	31	12
November	31.7 °C	22.8 °C	26.3 °C	35.5 °C	18.0 °C	30	27
December	33.3 °C	21.7 °C	26.8 °C	36.5 °C	15.8 °C	31	31

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	7 mm	2	12 h/day	47 %	52 %	12 km/h
February	17 mm	4	12 h/day	57 %	59 %	14 km/h
March	45 mm	11	12 h/day	75 %	70 %	15 km/h
April	71 mm	13	12 h/day	81 %	77 %	14 km/h
May	113 mm	19	12 h/day	85 %	82 %	13 km/h
June	143 mm	24	13 h/day	86 %	85 %	12 km/h
July	162 mm	25	13 h/day	88 %	86 %	12 km/h
August	157 mm	23	12 h/day	89 %	86 %	12 km/h
September	165 mm	24	12 h/day	88 %	87 %	11 km/h
October	107 mm	20	12 h/day	85 %	85 %	11 km/h
November	19 mm	4	12 h/day	67 %	76 %	11 km/h
December	4 mm	1	12 h/day	45 %	60 %	11 km/h

How Oyo 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
Oyo	35 °C	21 °C	1,010 mm	359
Iwo · Nigeria	35 °C	22 °C	1,084 mm	359
Iseyin · Nigeria	35 °C	21 °C	1,046 mm	359
Ogbomoso · Nigeria	35 °C	21 °C	991 mm	359
Ibadan · Nigeria	35 °C	22 °C	1,352 mm	360
Ikire · Nigeria	34 °C	22 °C	1,589 mm	359
Osogbo · Nigeria	35 °C	21 °C	1,223 mm	356

Where Oyo ranks

Ranking	Position	Value
The warmest places in Africa in January	25thof 50	34 °C
The warmest places in the world in January	26thof 50	34 °C
The warmest places in Africa in December	31stof 50	33 °C
The warmest places in the world in December	35thof 50	33 °C
The warmest places in Africa in February	36thof 50	35 °C
The warmest places in the world in February	37thof 50	35 °C

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

QuestionsCommon questions about Oyo’s climate

When is the best time to visit Oyo?

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

How hot does Oyo get?

In February, the warmest month, daily highs average 35 °C. About 222 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 21 °C in August, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Oyo?

September, averaging 165 mm over 24 days with rain. The driest month is December with 4 mm. The year as a whole averages 1,010 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 Oyo 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.