Monthly Climate
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Best time to visit Zürich

August is the best time to visit Zürich for general sightseeing, with average highs of 23 °C and about 15 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 August comfort 82/100
The least cloud July 56 % average cloud cover
The least rain February 84 mm
Warmth July 23 °C
Cooler weather January 4.4 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 August 82 23 °C 15
2 July 82 23 °C 15
3 June 81 21 °C 15
4 September 79 19 °C 12
5 May 69 18 °C 16
6 October 61 14 °C 12
7 April 56 14 °C 14
8 March 39 10.0 °C 14
9 November 36 8.5 °C 13
10 February 26 5.8 °C 12
11 January 24 4.4 °C 13
12 December 23 4.9 °C 14

When to think twice

December scores lowest with about 14 wet days and highs near 4.9 °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 4.4 °C 88 mm 69 %
February 5.8 °C 84 mm 65 %
March 10.0 °C 95 mm 62 %
April 13.9 °C 104 mm 62 %
May 17.7 °C 143 mm 64 %
June 21.2 °C 143 mm 60 %
July 23.2 °C 146 mm 56 %
August 23.1 °C 146 mm 56 %
September 18.7 °C 121 mm 63 %
October 14.4 °C 99 mm 69 %
November 8.5 °C 106 mm 74 %
December 4.9 °C 104 mm 72 %

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.