Monthly Climate
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Best time to visit Geneva

July is the best time to visit Geneva for general sightseeing, with average highs of 24 °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 85/100
The least cloud July 50 % average cloud cover
The least rain February 97 mm
Warmth July 24 °C
Cooler weather January 5.2 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 July 85 24 °C 12
2 August 85 24 °C 12
3 June 84 22 °C 14
4 September 83 20 °C 12
5 May 73 18 °C 15
6 October 65 16 °C 12
7 April 61 15 °C 13
8 March 45 11 °C 12
9 November 39 9.5 °C 13
10 February 30 6.4 °C 11
11 January 26 5.2 °C 12
12 December 25 5.9 °C 13

When to think twice

December scores lowest with about 13 wet days and highs near 5.9 °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 5.2 °C 112 mm 64 %
February 6.4 °C 97 mm 61 %
March 10.7 °C 107 mm 59 %
April 14.6 °C 107 mm 60 %
May 18.3 °C 140 mm 62 %
June 22.0 °C 119 mm 56 %
July 24.2 °C 121 mm 50 %
August 24.1 °C 114 mm 51 %
September 19.8 °C 108 mm 59 %
October 15.7 °C 110 mm 66 %
November 9.5 °C 123 mm 69 %
December 5.9 °C 127 mm 67 %

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.