Monthly Climate
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Best time to visit Tanga

July is the best time to visit Tanga for general sightseeing, with average highs of 27 °C and about 12 wet days. The comfortable season runs roughly June to September.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking July comfort 70/100
A beach holiday June sea 27 °C
The least cloud September 43 % average cloud cover
The least rain January 34 mm
Warmth February 33 °C
Cooler weather July 27 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 July 70 27 °C 12 82
2 August 68 27 °C 13 79
3 June 68 27 °C 11 82
4 September 65 28 °C 13 78
5 October 57 29 °C 16 73
6 February 57 33 °C 7 78
7 January 56 32 °C 7 78
8 May 54 28 °C 19 72
9 November 51 30 °C 19 70
10 December 49 31 °C 16 65
11 April 47 30 °C 24 68
12 March 43 32 °C 19 61

For a beach holiday

June scores highest, with a sea temperature of 27 °C and air temperatures around 27 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 28 °C 32 °C 55 % 78
February 28 °C 33 °C 55 % 78
March 29 °C 32 °C 60 % 61
April 29 °C 30 °C 66 % 68
May 28 °C 28 °C 60 % 72
June 27 °C 27 °C 52 % 82
July 26 °C 27 °C 53 % 82
August 26 °C 27 °C 49 % 79
September 26 °C 28 °C 43 % 78
October 27 °C 29 °C 50 % 73
November 28 °C 30 °C 54 % 70
December 28 °C 31 °C 51 % 65

When to think twice

March scores lowest with about 19 wet days and highs near 32 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

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 %

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: comfort score, beach score, season boundaries. 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.