Tunduma climate

Name: Tunduma
Address: TZ

Tunduma is warmest in October, with average highs of 28 °C, and coldest in July, when nights average 10 °C. January is the wettest month (270 mm) and July the driest (0.3 mm). Figures are 1991–2020 climate normals.

Across a full year Tunduma averages 1,219 mm of rain and 98 days above 25 °C.

Tanzania · population 219,309 · 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 October 28 °C
Coldest month July 10 °C
Driest month July 0 mm
Wettest month January 270 mm
Least cloud August 27 % cloud
Hottest on record October 32 °C
Coldest on record July 6.9 °C

What to expectTunduma through the year

Tunduma has a clear annual cycle: average daily highs run from 22 °C in July to 28 °C in October, a swing of 5.6 °C in mean temperature across the year.

Counted across a normal year, 98 days a year reach 25 °C, 4 of them reach 30 °C. The warmest reading in the 1991–2020 record is 32 °C, in October.

Rain is strongly seasonal. January averages 270 mm against 0 mm in July — 881 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	22.8 °C	270 mm	91 %
February	23.1 °C	213 mm	89 %
March	22.9 °C	240 mm	85 %
April	22.2 °C	115 mm	67 %
May	22.5 °C	14 mm	45 %
June	22.0 °C	under 1 mm	33 %
July	21.8 °C	under 1 mm	28 %
August	24.0 °C	1 mm	27 %
September	26.4 °C	2 mm	32 %
October	27.7 °C	20 mm	48 %
November	26.7 °C	104 mm	66 %
December	23.9 °C	240 mm	82 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	22.8 °C	14.9 °C	18.4 °C	29.3 °C	12.5 °C	1	0
February	23.1 °C	14.9 °C	18.5 °C	26.4 °C	11.5 °C	1	0
March	22.9 °C	15.0 °C	18.3 °C	25.8 °C	12.2 °C	1	0
April	22.2 °C	14.6 °C	17.7 °C	25.4 °C	9.8 °C	0	0
May	22.5 °C	13.1 °C	17.2 °C	26.0 °C	9.5 °C	1	0
June	22.0 °C	11.2 °C	15.9 °C	25.9 °C	7.7 °C	0	0
July	21.8 °C	10.4 °C	15.3 °C	26.1 °C	6.9 °C	1	0
August	24.0 °C	11.5 °C	17.1 °C	28.2 °C	7.6 °C	9	0
September	26.4 °C	13.1 °C	19.4 °C	30.8 °C	9.5 °C	24	0
October	27.7 °C	14.8 °C	20.9 °C	31.7 °C	11.9 °C	29	2
November	26.7 °C	15.4 °C	20.6 °C	31.7 °C	11.8 °C	23	1
December	23.9 °C	15.1 °C	19.0 °C	30.1 °C	11.3 °C	8	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	270 mm	29	13 h/day	91 %	84 %	11 km/h
February	213 mm	25	12 h/day	89 %	84 %	11 km/h
March	240 mm	27	12 h/day	85 %	85 %	11 km/h
April	115 mm	17	12 h/day	67 %	82 %	15 km/h
May	14 mm	3	12 h/day	45 %	72 %	17 km/h
June	under 1 mm	0	12 h/day	33 %	66 %	18 km/h
July	under 1 mm	0	12 h/day	28 %	63 %	19 km/h
August	1 mm	0	12 h/day	27 %	57 %	19 km/h
September	2 mm	1	12 h/day	32 %	51 %	19 km/h
October	20 mm	4	12 h/day	48 %	52 %	18 km/h
November	104 mm	14	13 h/day	66 %	62 %	14 km/h
December	240 mm	25	13 h/day	82 %	78 %	11 km/h

How Tunduma 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
Tunduma	28 °C	10 °C	1,219 mm	98
Mbeya · Tanzania	27 °C	12 °C	1,930 mm	124
Sumbawanga · Tanzania	26 °C	11 °C	1,376 mm	69
Kasama · Zambia	31 °C	11 °C	1,186 mm	232
Mzuzu · Malawi	26 °C	11 °C	1,382 mm	98
Songea · Tanzania	29 °C	12 °C	1,275 mm	199
Iringa · Tanzania	26 °C	11 °C	651 mm	82

Where Tunduma ranks

Ranking	Position	Value
Places with the best weather in Africa in August	18thof 50	95/100
Places with the best weather in Africa in May	20thof 50	95/100
Places with the best weather in Africa in June	29thof 50	95/100
Places with the best weather in Africa in July	32ndof 50	94/100
Places with the best weather in the world in August	32ndof 50	95/100
Places with the best weather in Africa in September	34thof 50	90/100

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

QuestionsCommon questions about Tunduma’s climate

When is the best time to visit Tunduma?

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

How hot does Tunduma get?

In October, the warmest month, daily highs average 28 °C. About 4 days a year pass 30 °C. The highest value in the 1991–2020 record is 32 °C.

How cold does it get in winter?

Nights average 10 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Tunduma?

January, averaging 270 mm over 29 days with rain. The driest month is July with 0 mm. The year as a whole averages 1,219 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 Tunduma 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.