Monthly Climate
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Best time to visit Madison

September is the best time to visit Madison for general sightseeing, with average highs of 22 °C and about 9 wet days. The comfortable season runs roughly May to June.

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 90/100
The least cloud September 48 % average cloud cover
The least rain January 40 mm
Warmth July 28 °C
Cooler weather January -2.4 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 September 90 22 °C 9
2 August 82 26 °C 10
3 June 82 26 °C 12
4 May 81 20 °C 13
5 July 78 28 °C 10
6 October 69 15 °C 8
7 April 56 14 °C 12
8 November 37 7.1 °C 8
9 March 33 6.8 °C 9
10 February 32 -0.01 °C 6
11 December 30 0.3 °C 8
12 January 30 -2.4 °C 8

When to think twice

January scores lowest with about 8 wet days and highs near -2.4 °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 -2.4 °C 40 mm 68 %
February -0.0 °C 41 mm 65 %
March 6.8 °C 61 mm 63 %
April 13.9 °C 100 mm 64 %
May 20.4 °C 101 mm 61 %
June 25.5 °C 111 mm 57 %
July 27.5 °C 85 mm 50 %
August 26.4 °C 90 mm 51 %
September 22.5 °C 84 mm 48 %
October 15.2 °C 72 mm 57 %
November 7.1 °C 55 mm 64 %
December 0.3 °C 48 mm 68 %

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.