Jimma climate

Name: Jimma
Address: ET

Jimma is warmest in February, with average highs of 27 °C, and coldest in November, when nights average 13 °C. September is the wettest month (235 mm) and December the driest (22 mm). Figures are 1991–2020 climate normals.

Across a full year Jimma averages 1,474 mm of rain and 133 days above 25 °C.

Ethiopia · population 250,900 · 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 27 °C
Coldest month November 13 °C
Driest month December 22 mm
Wettest month September 235 mm
Least cloud December 44 % cloud
Hottest on record February 33 °C
Coldest on record November 8.4 °C

What to expectJimma through the year

Jimma has a clear annual cycle: average daily highs run from 24 °C in November to 27 °C in February, a swing of 3.3 °C in mean temperature across the year.

Counted across a normal year, 133 days a year reach 25 °C, 3 of them reach 30 °C. The warmest reading in the 1991–2020 record is 33 °C, in February.

Rain is strongly seasonal. September averages 235 mm against 22 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	25.9 °C	25 mm	49 %
February	27.1 °C	30 mm	51 %
March	27.0 °C	72 mm	59 %
April	25.8 °C	141 mm	75 %
May	24.2 °C	212 mm	80 %
June	23.0 °C	173 mm	79 %
July	22.2 °C	185 mm	82 %
August	22.4 °C	193 mm	82 %
September	23.0 °C	235 mm	79 %
October	23.8 °C	136 mm	67 %
November	24.5 °C	51 mm	52 %
December	25.1 °C	22 mm	44 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	25.9 °C	13.6 °C	19.6 °C	30.0 °C	9.1 °C	21	0
February	27.1 °C	14.3 °C	20.6 °C	32.5 °C	9.6 °C	24	1
March	27.0 °C	14.8 °C	20.7 °C	32.0 °C	10.9 °C	26	2
April	25.8 °C	14.9 °C	19.8 °C	30.4 °C	12.0 °C	21	0
May	24.2 °C	14.5 °C	18.8 °C	29.6 °C	11.7 °C	8	0
June	23.0 °C	13.9 °C	17.9 °C	26.0 °C	11.1 °C	1	0
July	22.2 °C	13.7 °C	17.4 °C	25.3 °C	11.3 °C	0	0
August	22.4 °C	13.8 °C	17.5 °C	26.1 °C	10.6 °C	0	0
September	23.0 °C	13.5 °C	17.7 °C	26.8 °C	11.4 °C	0	0
October	23.8 °C	13.1 °C	18.1 °C	26.9 °C	9.4 °C	4	0
November	24.5 °C	12.8 °C	18.5 °C	27.2 °C	8.4 °C	11	0
December	25.1 °C	12.8 °C	18.9 °C	28.9 °C	8.5 °C	16	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	25 mm	5	12 h/day	49 %	62 %	7.1 km/h
February	30 mm	5	12 h/day	51 %	60 %	7.6 km/h
March	72 mm	12	12 h/day	59 %	67 %	7.9 km/h
April	141 mm	20	12 h/day	75 %	78 %	7.8 km/h
May	212 mm	26	12 h/day	80 %	85 %	7.1 km/h
June	173 mm	28	13 h/day	79 %	87 %	6.4 km/h
July	185 mm	29	13 h/day	82 %	87 %	6.5 km/h
August	193 mm	30	12 h/day	82 %	87 %	6.5 km/h
September	235 mm	29	12 h/day	79 %	88 %	6.2 km/h
October	136 mm	18	12 h/day	67 %	82 %	7.0 km/h
November	51 mm	7	12 h/day	52 %	73 %	7.1 km/h
December	22 mm	4	12 h/day	44 %	66 %	7.0 km/h

How Jimma 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
Jimma	27 °C	13 °C	1,474 mm	133
Hosa’ina · Ethiopia	24 °C	9.2 °C	2,058 mm	29
Sodo · Ethiopia	26 °C	12 °C	1,580 mm	85
Nek’emtē · Ethiopia	27 °C	13 °C	4,365 mm	92
Awasa · Ethiopia	28 °C	13 °C	1,017 mm	139
Arba Minch · Ethiopia	30 °C	18 °C	2,467 mm	290
Shashamane · Ethiopia	25 °C	11 °C	777 mm	51

Where Jimma ranks

Ranking	Position	Value
Places with the best weather in Africa in January	21st of 50	93/100
Places with the best weather in Africa in December	31st of 50	94/100
The coolest places in Africa in September	31st of 50	23 °C
Places with the best weather in Africa in February	37th of 50	90/100

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

QuestionsCommon questions about Jimma’s climate

When is the best time to visit Jimma?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, April 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 Jimma get?

In February, the warmest month, daily highs average 27 °C. About 3 days a year pass 30 °C. The highest value in the 1991–2020 record is 33 °C.

How cold does it get in winter?

Nights average 13 °C in November, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Jimma?

September, averaging 235 mm over 29 days with rain. The driest month is December with 22 mm. The year as a whole averages 1,474 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 Jimma 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: 7.673°, 36.834° (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.