Tanga climate

Name: Tanga
Address: TZ

Tanga is warmest in February, with average highs of 33 °C, and coldest in August, when nights average 21 °C. April is the wettest month (188 mm) and January the driest (34 mm). Figures are 1991–2020 climate normals.

Across a full year Tanga averages 965 mm of rain and 363 days above 25 °C.

Tanzania · population 393,429 · 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 33 °C
Coldest month August 21 °C
Driest month January 34 mm
Wettest month April 188 mm
Least cloud September 43 % cloud
Hottest on record February 38 °C
Coldest on record August 18 °C
Warmest sea March 29 °C

What to expectTanga through the year

Tanga has a clear annual cycle: average daily highs run from 27 °C in August to 33 °C in February, a swing of 4.3 °C in mean temperature across the year.

Counted across a normal year, 363 days a year reach 25 °C, 140 of them reach 30 °C. The warmest reading in the 1991–2020 record is 38 °C, in February.

Rain is strongly seasonal. April averages 188 mm against 34 mm in January — 5.5 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Tanga is warmest in March at 29 °C and coldest in August at 26 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	32.3 °C	34 mm	55 %
February	32.7 °C	35 mm	55 %
March	31.8 °C	93 mm	60 %
April	29.6 °C	188 mm	66 %
May	28.0 °C	174 mm	60 %
June	27.4 °C	49 mm	52 %
July	27.0 °C	41 mm	53 %
August	27.4 °C	46 mm	49 %
September	28.4 °C	48 mm	43 %
October	29.2 °C	96 mm	50 %
November	29.8 °C	88 mm	54 %
December	31.2 °C	72 mm	51 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	32.3 °C	25.0 °C	27.9 °C	35.9 °C	22.8 °C	31	28
February	32.7 °C	25.2 °C	28.1 °C	37.5 °C	22.7 °C	28	27
March	31.8 °C	25.1 °C	27.9 °C	35.6 °C	22.4 °C	31	27
April	29.6 °C	24.3 °C	26.6 °C	34.9 °C	22.4 °C	30	11
May	28.0 °C	23.2 °C	25.4 °C	32.6 °C	20.7 °C	31	2
June	27.4 °C	22.0 °C	24.5 °C	29.8 °C	19.7 °C	30	0
July	27.0 °C	21.2 °C	23.9 °C	29.9 °C	18.4 °C	30	0
August	27.4 °C	21.1 °C	24.0 °C	30.0 °C	17.9 °C	31	0
September	28.4 °C	21.6 °C	24.7 °C	31.9 °C	18.4 °C	30	2
October	29.2 °C	22.6 °C	25.5 °C	32.7 °C	19.0 °C	31	8
November	29.8 °C	23.5 °C	26.4 °C	33.5 °C	20.9 °C	30	13
December	31.2 °C	24.5 °C	27.4 °C	35.5 °C	21.8 °C	31	23

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	34 mm	7	12 h/day	55 %	74 %	21 km/h	27.9 °C
February	35 mm	7	12 h/day	55 %	73 %	20 km/h	28.1 °C
March	93 mm	19	12 h/day	60 %	77 %	16 km/h	29.1 °C
April	188 mm	24	12 h/day	66 %	83 %	16 km/h	28.9 °C
May	174 mm	19	12 h/day	60 %	84 %	18 km/h	28.0 °C
June	49 mm	11	12 h/day	52 %	81 %	19 km/h	26.9 °C
July	41 mm	12	12 h/day	53 %	79 %	19 km/h	25.9 °C
August	46 mm	13	12 h/day	49 %	80 %	17 km/h	25.5 °C
September	48 mm	13	12 h/day	43 %	79 %	17 km/h	25.9 °C
October	96 mm	16	12 h/day	50 %	80 %	16 km/h	26.7 °C
November	88 mm	19	12 h/day	54 %	82 %	15 km/h	27.8 °C
December	72 mm	16	12 h/day	51 %	78 %	17 km/h	28.2 °C

How Tanga 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
Tanga	33 °C	21 °C	965 mm	363
Matuga · Kenya	31 °C	22 °C	1,006 mm	341
Zanzibar · Tanzania	31 °C	22 °C	913 mm	364
Mombasa · Kenya	32 °C	22 °C	861 mm	361
Jomvu · Kenya	33 °C	22 °C	857 mm	363
Kibaha · Tanzania	32 °C	20 °C	965 mm	363
Dar es Salaam · Tanzania	31 °C	22 °C	942 mm	364

Where Tanga ranks

Ranking	Position	Value
Warmest sea temperatures in Africa in March	14thof 50	29 °C
Warmest sea temperatures in Africa in April	19thof 50	29 °C
Warmest sea temperatures in Africa in January	22ndof 50	28 °C
Warmest sea temperatures in Africa in December	25thof 50	28 °C
Warmest sea temperatures in Africa in February	26thof 50	28 °C
Warmest sea temperatures in Africa year-round	29thof 50	27 °C

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

QuestionsCommon questions about Tanga’s climate

When is the best time to visit Tanga?

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

How hot does Tanga get?

In February, the warmest month, daily highs average 33 °C. About 140 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average 21 °C in August, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Tanga?

April, averaging 188 mm over 24 days with rain. The driest month is January with 34 mm. The year as a whole averages 965 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 Tanga 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.