Monthly Climate
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Best time to visit Niamey

January is the best time to visit Niamey for general sightseeing, with average highs of 32 °C and about 0 wet days. The comfortable season runs roughly December to January.

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 January comfort 70/100
The least cloud February 24 % average cloud cover
The least rain January 0 mm
Warmth April 41 °C
Cooler weather January 32 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 January 70 32 °C 0
2 December 68 33 °C 0
3 February 59 35 °C 0
4 November 58 36 °C 0
5 September 56 35 °C 6
6 October 52 37 °C 2
7 August 49 32 °C 15
8 July 48 35 °C 10
9 March 46 38 °C 0
10 June 44 38 °C 4
11 April 43 41 °C 1
12 May 42 40 °C 2

When to think twice

May scores lowest with about 2 wet days and highs near 40 °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 31.6 °C 0 mm 26 %
February 34.7 °C under 1 mm 24 %
March 38.4 °C 1 mm 36 %
April 40.8 °C 2 mm 44 %
May 40.4 °C 9 mm 45 %
June 38.3 °C 21 mm 39 %
July 34.7 °C 63 mm 53 %
August 32.2 °C 125 mm 65 %
September 34.6 °C 42 mm 48 %
October 37.4 °C 8 mm 37 %
November 36.0 °C under 1 mm 29 %
December 32.7 °C under 1 mm 26 %

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.