Kahama climate

Name: Kahama
Address: TZ

Kahama is warmest in September, with average highs of 30 °C, and coldest in July, when nights average 17 °C. December is the wettest month (129 mm) and July the driest (1.2 mm). Figures are 1991–2020 climate normals.

Across a full year Kahama averages 761 mm of rain and 344 days above 25 °C.

Tanzania · population 453,654 · 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 September 30 °C
Coldest month July 17 °C
Driest month July 1 mm
Wettest month December 129 mm
Least cloud July 44 % cloud
Hottest on record February 34 °C
Coldest on record June 14 °C

What to expectKahama through the year

Kahama changes little through the year. Average daily highs stay between 28 and 30 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 344 days a year reach 25 °C, 72 of them reach 30 °C. The warmest reading in the 1991–2020 record is 34 °C, in February.

Rain is strongly seasonal. December averages 129 mm against 1 mm in July — 110 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	27.0 °C	112 mm	73 %
February	27.9 °C	87 mm	71 %
March	27.7 °C	118 mm	70 %
April	26.9 °C	103 mm	71 %
May	28.0 °C	26 mm	58 %
June	28.5 °C	3 mm	52 %
July	28.5 °C	1 mm	44 %
August	29.3 °C	8 mm	45 %
September	30.5 °C	14 mm	48 %
October	30.2 °C	44 mm	62 %
November	27.8 °C	115 mm	73 %
December	26.7 °C	129 mm	72 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	27.0 °C	17.8 °C	22.1 °C	33.4 °C	15.1 °C	28	1
February	27.9 °C	18.2 °C	22.8 °C	34.4 °C	15.5 °C	27	4
March	27.7 °C	18.3 °C	22.7 °C	34.4 °C	15.5 °C	28	4
April	26.9 °C	18.2 °C	22.2 °C	32.3 °C	15.6 °C	27	1
May	28.0 °C	18.5 °C	23.1 °C	32.1 °C	14.4 °C	30	3
June	28.5 °C	18.1 °C	23.3 °C	31.7 °C	14.2 °C	30	2
July	28.5 °C	17.4 °C	22.9 °C	31.6 °C	14.8 °C	31	2
August	29.3 °C	18.2 °C	23.8 °C	32.1 °C	15.1 °C	31	9
September	30.5 °C	19.1 °C	24.8 °C	34.0 °C	16.0 °C	30	20
October	30.2 °C	19.5 °C	24.7 °C	34.2 °C	15.9 °C	30	19
November	27.8 °C	18.5 °C	22.8 °C	34.0 °C	14.7 °C	27	6
December	26.7 °C	17.8 °C	21.9 °C	32.5 °C	15.5 °C	26	1

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	112 mm	18	12 h/day	73 %	75 %	9.8 km/h
February	87 mm	15	12 h/day	71 %	72 %	11 km/h
March	118 mm	17	12 h/day	70 %	73 %	11 km/h
April	103 mm	15	12 h/day	71 %	73 %	12 km/h
May	26 mm	4	12 h/day	58 %	58 %	15 km/h
June	3 mm	0	12 h/day	52 %	44 %	15 km/h
July	1 mm	0	12 h/day	44 %	39 %	17 km/h
August	8 mm	1	12 h/day	45 %	40 %	16 km/h
September	14 mm	3	12 h/day	48 %	41 %	16 km/h
October	44 mm	7	12 h/day	62 %	51 %	15 km/h
November	115 mm	16	12 h/day	73 %	68 %	11 km/h
December	129 mm	20	12 h/day	72 %	75 %	9.6 km/h

How Kahama 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
Kahama	30 °C	17 °C	761 mm	344
Geita · Tanzania	28 °C	17 °C	1,308 mm	311
Tabora · Tanzania	31 °C	17 °C	769 mm	348
Mwanza · Tanzania	26 °C	20 °C	1,613 mm	224
Bariadi · Tanzania	30 °C	17 °C	877 mm	341
Bunda · Tanzania	29 °C	17 °C	1,169 mm	323
Singida · Tanzania	29 °C	13 °C	608 mm	257

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

QuestionsCommon questions about Kahama’s climate

When is the best time to visit Kahama?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, April, December sit closest to 20 °C on average, September is the warmest month and July the driest. The month-by-month table above has the full picture.

How hot does Kahama get?

In September, the warmest month, daily highs average 30 °C. About 72 days a year pass 30 °C. The highest value in the 1991–2020 record is 34 °C.

How cold does it get in winter?

Nights average 17 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Kahama?

December, averaging 129 mm over 20 days with rain. The driest month is July with 1 mm. The year as a whole averages 761 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 Kahama 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: -3.833°, 32.600° (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.