Monthly Climate
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Best time to visit Louisville

October is the best time to visit Louisville for general sightseeing, with average highs of 20 °C and about 8 wet days. The comfortable season runs roughly April to May.

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 October comfort 89/100
The least cloud September 46 % average cloud cover
The least rain August 70 mm
Warmth July 31 °C
Cooler weather January 5.7 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 October 89 20 °C 8
2 September 85 27 °C 8
3 May 84 24 °C 13
4 April 80 20 °C 12
5 June 72 29 °C 12
6 August 71 30 °C 9
7 July 65 31 °C 11
8 November 60 13 °C 9
9 March 56 13 °C 12
10 February 38 8.3 °C 10
11 December 35 7.4 °C 10
12 January 30 5.7 °C 10

When to think twice

January scores lowest with about 10 wet days and highs near 5.7 °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 5.7 °C 91 mm 67 %
February 8.3 °C 86 mm 68 %
March 13.4 °C 111 mm 64 %
April 19.5 °C 129 mm 60 %
May 24.1 °C 126 mm 61 %
June 28.6 °C 101 mm 56 %
July 30.5 °C 103 mm 52 %
August 30.1 °C 70 mm 49 %
September 26.7 °C 78 mm 46 %
October 20.2 °C 85 mm 50 %
November 13.0 °C 88 mm 58 %
December 7.4 °C 102 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.