Monthly Climate
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Best time to visit Ashaiman

August is the best time to visit Ashaiman for general sightseeing, with average highs of 27 °C and about 8 wet days. The comfortable season runs roughly July 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 August comfort 71/100
A beach holiday January sea 27 °C
The least cloud December 40 % average cloud cover
The least rain January 17 mm
Warmth March 32 °C
Cooler weather August 27 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 August 71 27 °C 8 87
2 July 69 27 °C 10 85
3 December 64 31 °C 5 86
4 January 64 32 °C 4 88
5 September 63 28 °C 12 80
6 February 59 32 °C 6 83
7 November 59 30 °C 10 78
8 October 59 29 °C 13 77
9 March 55 32 °C 8 77
10 June 54 28 °C 19 74
11 April 53 32 °C 11 72
12 May 50 30 °C 16 67

For a beach holiday

January scores highest, with a sea temperature of 27 °C and air temperatures around 32 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 27 °C 32 °C 47 % 88
February 28 °C 32 °C 55 % 83
March 28 °C 32 °C 64 % 77
April 28 °C 32 °C 69 % 72
May 29 °C 30 °C 75 % 67
June 27 °C 28 °C 78 % 74
July 24 °C 27 °C 78 % 85
August 23 °C 27 °C 79 % 87
September 25 °C 28 °C 75 % 80
October 27 °C 29 °C 63 % 77
November 28 °C 30 °C 48 % 78
December 28 °C 31 °C 40 % 86

When to think twice

May scores lowest with about 16 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 31.7 °C 17 mm 47 %
February 32.1 °C 23 mm 55 %
March 32.1 °C 35 mm 64 %
April 31.7 °C 49 mm 69 %
May 30.3 °C 95 mm 75 %
June 28.1 °C 142 mm 78 %
July 27.2 °C 55 mm 78 %
August 27.1 °C 36 mm 79 %
September 28.0 °C 59 mm 75 %
October 29.1 °C 70 mm 63 %
November 30.4 °C 36 mm 48 %
December 31.2 °C 22 mm 40 %

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.