Atani climate

Name: Atani
Address: NG

Atani is warmest in February, with average highs of 35 °C, and coldest in August, when nights average 23 °C. September is the wettest month (225 mm) and December the driest (8.0 mm). Figures are 1991–2020 climate normals.

Across a full year Atani averages 1,517 mm of rain and 363 days above 25 °C.

Nigeria · population 230,000 · 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 February 35 °C
Coldest month August 23 °C
Driest month December 8 mm
Wettest month September 225 mm
Least cloud December 52 % cloud
Hottest on record February 40 °C
Coldest on record January 17 °C

What to expectAtani through the year

Atani has a clear annual cycle: average daily highs run from 28 °C in August to 35 °C in February, a swing of 4.0 °C in mean temperature across the year.

Counted across a normal year, 363 days a year reach 25 °C, 223 of them reach 30 °C. The warmest reading in the 1991–2020 record is 40 °C, in February.

Rain is strongly seasonal. September averages 225 mm against 8 mm in December — 28 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	34.5 °C	9 mm	57 %
February	35.0 °C	20 mm	66 %
March	33.7 °C	67 mm	80 %
April	32.0 °C	134 mm	85 %
May	30.7 °C	179 mm	86 %
June	29.1 °C	216 mm	85 %
July	28.3 °C	221 mm	88 %
August	28.4 °C	197 mm	89 %
September	28.8 °C	225 mm	89 %
October	29.5 °C	192 mm	88 %
November	31.0 °C	49 mm	72 %
December	33.2 °C	8 mm	52 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	34.5 °C	23.3 °C	28.2 °C	38.1 °C	17.4 °C	31	31
February	35.0 °C	24.4 °C	28.8 °C	39.5 °C	19.5 °C	28	28
March	33.7 °C	24.7 °C	28.1 °C	38.8 °C	18.5 °C	31	30
April	32.0 °C	24.5 °C	27.3 °C	37.6 °C	22.4 °C	30	27
May	30.7 °C	24.0 °C	26.5 °C	34.1 °C	22.0 °C	31	23
June	29.1 °C	23.3 °C	25.4 °C	32.1 °C	21.2 °C	30	8
July	28.3 °C	22.7 °C	24.7 °C	31.6 °C	20.3 °C	30	2
August	28.4 °C	22.7 °C	24.8 °C	32.1 °C	21.2 °C	30	3
September	28.8 °C	22.9 °C	25.0 °C	31.7 °C	21.2 °C	30	6
October	29.5 °C	23.1 °C	25.5 °C	32.3 °C	21.6 °C	31	12
November	31.0 °C	23.5 °C	26.5 °C	34.7 °C	19.7 °C	30	25
December	33.2 °C	23.4 °C	27.6 °C	36.8 °C	18.3 °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	57 %	63 %	13 km/h
February	20 mm	4	12 h/day	66 %	68 %	14 km/h
March	67 mm	12	12 h/day	80 %	77 %	14 km/h
April	134 mm	19	12 h/day	85 %	83 %	13 km/h
May	179 mm	25	12 h/day	86 %	86 %	11 km/h
June	216 mm	27	12 h/day	85 %	88 %	11 km/h
July	221 mm	27	12 h/day	88 %	88 %	11 km/h
August	197 mm	24	12 h/day	89 %	87 %	12 km/h
September	225 mm	28	12 h/day	89 %	88 %	11 km/h
October	192 mm	26	12 h/day	88 %	88 %	10 km/h
November	49 mm	9	12 h/day	72 %	83 %	10 km/h
December	8 mm	2	12 h/day	52 %	70 %	11 km/h

How Atani 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
Atani	35 °C	23 °C	1,517 mm	363
Onitsha · Nigeria	35 °C	23 °C	1,264 mm	363
Nnewi · Nigeria	34 °C	22 °C	1,945 mm	360
Awka · Nigeria	35 °C	23 °C	1,492 mm	362
Owerri · Nigeria	34 °C	22 °C	2,337 mm	360
Enugu · Nigeria	35 °C	22 °C	1,614 mm	363
Umuahia · Nigeria	34 °C	22 °C	2,012 mm	358

Where Atani ranks

Ranking	Position	Value
The warmest places in Africa in January	17thof 50	35 °C
The warmest places in the world in January	18thof 50	35 °C
The warmest places in Africa in December	34thof 50	33 °C
The warmest places in the world in December	39thof 50	33 °C
The warmest places in Africa in February	43rdof 50	35 °C
The warmest places in the world in February	44thof 50	35 °C

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

QuestionsCommon questions about Atani’s climate

When is the best time to visit Atani?

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 Atani get?

In February, the warmest month, daily highs average 35 °C. About 223 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °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 Atani?

September, averaging 225 mm over 28 days with rain. The driest month is December with 8 mm. The year as a whole averages 1,517 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 Atani 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.