Iwo climate

Name: Iwo
Address: NG

Iwo is warmest in February, with average highs of 35 °C, and coldest in August, when nights average 22 °C. September is the wettest month (176 mm) and December the driest (5.7 mm). Figures are 1991–2020 climate normals.

Across a full year Iwo averages 1,084 mm of rain and 359 days above 25 °C.

Nigeria · population 250,443 · 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 22 °C
Driest month December 6 mm
Wettest month September 176 mm
Least cloud December 46 % cloud
Hottest on record February 39 °C
Coldest on record December 17 °C

What to expectIwo through the year

Iwo has a clear annual cycle: average daily highs run from 27 °C in August to 35 °C in February, a swing of 4.3 °C in mean temperature across the year.

Counted across a normal year, 359 days a year reach 25 °C, 201 of them reach 30 °C. The warmest reading in the 1991–2020 record is 39 °C, in February.

Rain is strongly seasonal. September averages 176 mm against 6 mm in December — 31 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	9 mm	48 %
February	34.9 °C	20 mm	59 %
March	33.7 °C	51 mm	76 %
April	32.0 °C	76 mm	82 %
May	30.3 °C	120 mm	86 %
June	28.7 °C	148 mm	87 %
July	27.6 °C	161 mm	89 %
August	27.4 °C	165 mm	90 %
September	28.2 °C	176 mm	89 %
October	29.2 °C	129 mm	86 %
November	31.0 °C	25 mm	69 %
December	33.0 °C	6 mm	46 %

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	22.2 °C	27.4 °C	38.0 °C	17.5 °C	31	31
February	34.9 °C	23.5 °C	28.1 °C	39.4 °C	17.8 °C	28	28
March	33.7 °C	24.3 °C	27.7 °C	39.0 °C	17.3 °C	31	30
April	32.0 °C	24.1 °C	26.9 °C	36.9 °C	20.5 °C	30	26
May	30.3 °C	23.6 °C	26.0 °C	35.2 °C	21.3 °C	31	19
June	28.7 °C	22.7 °C	24.8 °C	33.7 °C	20.7 °C	30	4
July	27.6 °C	21.9 °C	23.9 °C	31.0 °C	19.7 °C	29	1
August	27.4 °C	21.7 °C	23.7 °C	31.3 °C	19.0 °C	29	0
September	28.2 °C	22.1 °C	24.2 °C	31.5 °C	20.6 °C	29	2
October	29.2 °C	22.5 °C	24.8 °C	33.1 °C	20.4 °C	31	7
November	31.0 °C	23.1 °C	26.1 °C	36.1 °C	18.7 °C	30	23
December	33.0 °C	22.3 °C	26.7 °C	36.8 °C	17.1 °C	31	30

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	9 mm	2	12 h/day	48 %	57 %	12 km/h
February	20 mm	4	12 h/day	59 %	65 %	14 km/h
March	51 mm	11	12 h/day	76 %	75 %	14 km/h
April	76 mm	15	12 h/day	82 %	81 %	14 km/h
May	120 mm	20	12 h/day	86 %	85 %	13 km/h
June	148 mm	25	13 h/day	87 %	87 %	12 km/h
July	161 mm	25	13 h/day	89 %	87 %	12 km/h
August	165 mm	23	12 h/day	90 %	87 %	12 km/h
September	176 mm	25	12 h/day	89 %	88 %	11 km/h
October	129 mm	22	12 h/day	86 %	87 %	10 km/h
November	25 mm	6	12 h/day	69 %	81 %	11 km/h
December	6 mm	1	12 h/day	46 %	67 %	11 km/h

How Iwo 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
Iwo	35 °C	22 °C	1,084 mm	359
Ikire · Nigeria	34 °C	22 °C	1,589 mm	359
Oyo · Nigeria	35 °C	21 °C	1,010 mm	359
Ibadan · Nigeria	35 °C	22 °C	1,352 mm	360
Osogbo · Nigeria	35 °C	21 °C	1,223 mm	356
Ile-Ife · Nigeria	34 °C	21 °C	1,377 mm	356
Ogbomoso · Nigeria	35 °C	21 °C	991 mm	359

Where Iwo ranks

Ranking	Position	Value
The warmest places in Africa in January	26th of 50	34 °C
The warmest places in the world in January	27th of 50	34 °C
The warmest places in Africa in February	47th of 50	35 °C
The warmest places in Africa in December	48th of 50	33 °C
The warmest places in the world in February	48th of 50	35 °C

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

QuestionsCommon questions about Iwo’s climate

When is the best time to visit Iwo?

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 Iwo get?

In February, the warmest month, daily highs average 35 °C. About 201 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 Iwo?

September, averaging 176 mm over 25 days with rain. The driest month is December with 6 mm. The year as a whole averages 1,084 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 Iwo 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: 7.635°, 4.182° (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.