Monthly Climate
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Best time to visit Monrovia

August is the best time to visit Monrovia for general sightseeing, with average highs of 26 °C and about 27 wet days. The comfortable season runs roughly May to March.

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 57/100
A beach holiday September sea 27 °C
The least cloud January 49 % average cloud cover
The least rain January 82 mm
Warmth April 29 °C
Cooler weather August 26 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 August 57 26 °C 27 74
2 July 57 27 °C 27 74
3 September 55 27 °C 29 74
4 January 54 29 °C 16 71
5 June 53 28 °C 29 72
6 October 52 28 °C 30 73
7 November 50 29 °C 28 71
8 December 50 29 °C 22 70
9 February 49 29 °C 19 72
10 May 49 29 °C 30 69
11 March 47 29 °C 25 72
12 April 47 29 °C 26 70

For a beach holiday

September 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 29 °C 49 % 71
February 27 °C 29 °C 55 % 72
March 27 °C 29 °C 65 % 72
April 28 °C 29 °C 75 % 70
May 29 °C 29 °C 84 % 69
June 28 °C 28 °C 83 % 72
July 27 °C 27 °C 84 % 74
August 27 °C 26 °C 87 % 74
September 27 °C 27 °C 85 % 74
October 28 °C 28 °C 79 % 73
November 28 °C 29 °C 70 % 71
December 29 °C 29 °C 55 % 70

When to think twice

April scores lowest with about 26 wet days and highs near 29 °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 29.4 °C 82 mm 49 %
February 29.3 °C 100 mm 55 %
March 29.3 °C 159 mm 65 %
April 29.4 °C 203 mm 75 %
May 28.9 °C 321 mm 84 %
June 27.6 °C 479 mm 83 %
July 26.6 °C 425 mm 84 %
August 26.4 °C 507 mm 87 %
September 27.1 °C 516 mm 85 %
October 28.0 °C 351 mm 79 %
November 28.7 °C 194 mm 70 %
December 28.9 °C 107 mm 55 %

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.