Monthly Climate
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Best time to visit Pemba

July is the best time to visit Pemba for general sightseeing, with average highs of 27 °C and about 3 wet days. The comfortable season runs roughly May 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 83/100
A beach holiday July sea 26 °C
The least cloud September 28 % average cloud cover
The least rain July 9 mm
Warmth November 31 °C
Cooler weather July 27 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 July 83 27 °C 3 100
2 August 81 27 °C 4 99
3 June 80 27 °C 3 98
4 September 76 28 °C 3 100
5 May 74 28 °C 5 92
6 October 71 30 °C 5 93
7 November 61 31 °C 8 82
8 April 56 29 °C 16 69
9 March 48 29 °C 25 68
10 December 47 30 °C 19 67
11 February 47 30 °C 23 68
12 January 47 30 °C 25 68

For a beach holiday

July scores highest, with a sea temperature of 26 °C and air temperatures around 27 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 29 °C 30 °C 80 % 68
February 29 °C 30 °C 79 % 68
March 29 °C 29 °C 70 % 68
April 29 °C 29 °C 47 % 69
May 28 °C 28 °C 30 % 92
June 27 °C 27 °C 30 % 98
July 26 °C 27 °C 32 % 100
August 26 °C 27 °C 29 % 99
September 26 °C 28 °C 28 % 100
October 27 °C 30 °C 30 % 93
November 28 °C 31 °C 39 % 82
December 29 °C 30 °C 61 % 67

When to think twice

January scores lowest with about 25 wet days and highs near 30 °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 29.8 °C 249 mm 80 %
February 29.6 °C 208 mm 79 %
March 29.2 °C 203 mm 70 %
April 28.8 °C 98 mm 47 %
May 28.4 °C 22 mm 30 %
June 27.3 °C 11 mm 30 %
July 26.7 °C 9 mm 32 %
August 27.3 °C 11 mm 29 %
September 28.5 °C 10 mm 28 %
October 29.7 °C 18 mm 30 %
November 30.6 °C 41 mm 39 %
December 30.4 °C 160 mm 61 %

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.