Garissa climate

Name: Garissa
Address: KE

Garissa is warmest in March, with average highs of 36 °C, and coldest in August, when nights average 22 °C. November is the wettest month (75 mm) and June the driest (2.5 mm). Figures are 1991–2020 climate normals.

Across a full year Garissa averages 255 mm of rain and 365 days above 25 °C.

Kenya · population 163,399 · 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 March 36 °C
Coldest month August 22 °C
Driest month June 3 mm
Wettest month November 75 mm
Least cloud January 41 % cloud
Hottest on record March 40 °C
Coldest on record September 19 °C

What to expectGarissa through the year

Garissa has a clear annual cycle: average daily highs run from 32 °C in August to 36 °C in March, a swing of 4.2 °C in mean temperature across the year.

Counted across a normal year, 365 days a year reach 25 °C, 345 of them reach 30 °C. The warmest reading in the 1991–2020 record is 40 °C, in March.

Rain is strongly seasonal. November averages 75 mm against 3 mm in June — 30 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	34.4 °C	18 mm	41 %
February	35.5 °C	4 mm	42 %
March	35.6 °C	23 mm	46 %
April	34.4 °C	44 mm	56 %
May	33.2 °C	16 mm	52 %
June	32.1 °C	3 mm	64 %
July	31.2 °C	3 mm	66 %
August	31.5 °C	3 mm	61 %
September	32.6 °C	6 mm	51 %
October	33.6 °C	19 mm	51 %
November	32.3 °C	75 mm	57 %
December	32.8 °C	43 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	34.4 °C	23.8 °C	29.0 °C	38.0 °C	20.0 °C	31	30
February	35.5 °C	24.2 °C	29.8 °C	38.8 °C	20.7 °C	28	28
March	35.6 °C	25.1 °C	30.1 °C	40.0 °C	22.1 °C	31	31
April	34.4 °C	24.9 °C	29.0 °C	38.6 °C	22.6 °C	30	29
May	33.2 °C	24.0 °C	27.9 °C	37.1 °C	20.8 °C	31	30
June	32.1 °C	22.7 °C	26.9 °C	35.6 °C	20.6 °C	30	29
July	31.2 °C	21.7 °C	25.9 °C	34.8 °C	19.3 °C	31	26
August	31.5 °C	21.6 °C	26.0 °C	35.5 °C	19.4 °C	31	27
September	32.6 °C	22.0 °C	26.8 °C	36.8 °C	18.6 °C	30	29
October	33.6 °C	23.1 °C	27.8 °C	37.0 °C	19.8 °C	31	30
November	32.3 °C	23.6 °C	27.5 °C	36.7 °C	21.0 °C	30	27
December	32.8 °C	23.6 °C	28.0 °C	37.0 °C	20.4 °C	31	28

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	18 mm	2	12 h/day	41 %	56 %	16 km/h
February	4 mm	1	12 h/day	42 %	53 %	19 km/h
March	23 mm	4	12 h/day	46 %	56 %	21 km/h
April	44 mm	8	12 h/day	56 %	64 %	21 km/h
May	16 mm	3	12 h/day	52 %	64 %	25 km/h
June	3 mm	0	12 h/day	64 %	59 %	28 km/h
July	3 mm	1	12 h/day	66 %	59 %	29 km/h
August	3 mm	0	12 h/day	61 %	60 %	27 km/h
September	6 mm	1	12 h/day	51 %	59 %	26 km/h
October	19 mm	4	12 h/day	51 %	61 %	23 km/h
November	75 mm	13	12 h/day	57 %	69 %	16 km/h
December	43 mm	8	12 h/day	45 %	66 %	14 km/h

How Garissa 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
Garissa	36 °C	22 °C	255 mm	365
Mwala · Kenya	28 °C	14 °C	631 mm	200
Karuri · Kenya	28 °C	14 °C	963 mm	163
Thika · Kenya	27 °C	13 °C	963 mm	119
Ruiru · Kenya	27 °C	12 °C	648 mm	119
Kitengela · Kenya	27 °C	13 °C	668 mm	128
Kismayo · Somalia	32 °C	23 °C	434 mm	365

Where Garissa ranks

Ranking	Position	Value
The warmest places in Africa in January	20th of 50	34 °C
The warmest places in the world in January	21st of 50	34 °C
The warmest places in Africa in February	25th of 50	35 °C
The warmest places in the world in February	26th of 50	35 °C
The warmest places in Africa in October	34th of 50	34 °C
The warmest places in Africa year-round	39th of 50	33 °C

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

QuestionsCommon questions about Garissa’s climate

When is the best time to visit Garissa?

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

How hot does Garissa get?

In March, the warmest month, daily highs average 36 °C. About 345 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 22 °C in August, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Garissa?

November, averaging 75 mm over 13 days with rain. The driest month is June with 3 mm. The year as a whole averages 255 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 Garissa 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: -0.453°, 39.646° (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.