Best time to visit Vienna

September is the best time to visit Vienna for general sightseeing, with average highs of 20 °C and about 9 wet days. The comfortable season runs roughly May 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 September comfort 87/100
The least cloud August 49 % average cloud cover
The least rain February 32 mm
Warmth July 26 °C
Cooler weather January 3.1 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 September 87 20 °C 9
2 August 86 26 °C 9
3 June 86 24 °C 12
4 July 83 26 °C 11
5 May 82 20 °C 12
6 April 68 16 °C 9
7 October 66 15 °C 8
8 March 44 10 °C 9
9 November 41 8.6 °C 9
10 February 29 5.5 °C 8
11 January 28 3.1 °C 8
12 December 27 3.7 °C 9

When to think twice

December scores lowest with about 9 wet days and highs near 3.7 °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 3.1 °C 35 mm 71 %
February 5.5 °C 32 mm 67 %
March 10.1 °C 46 mm 63 %
April 15.6 °C 45 mm 56 %
May 19.9 °C 73 mm 58 %
June 23.7 °C 76 mm 56 %
July 25.8 °C 78 mm 53 %
August 25.6 °C 70 mm 49 %
September 20.3 °C 72 mm 56 %
October 14.6 °C 48 mm 64 %
November 8.6 °C 44 mm 73 %
December 3.7 °C 39 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.