Monthly Climate
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Best time to visit Buffalo

September is the best time to visit Buffalo for general sightseeing, with average highs of 21 °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 88/100
The least cloud August 50 % average cloud cover
The least rain February 61 mm
Warmth July 26 °C
Cooler weather January -0.4 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 September 88 21 °C 9
2 June 85 23 °C 12
3 August 82 25 °C 11
4 May 78 18 °C 12
5 July 78 26 °C 12
6 October 63 15 °C 12
7 April 47 11 °C 12
8 November 36 8.2 °C 12
9 March 25 4.6 °C 11
10 February 24 0.2 °C 10
11 January 21 -0.4 °C 12
12 December 21 2.8 °C 12

When to think twice

December scores lowest with about 12 wet days and highs near 2.8 °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 -0.4 °C 74 mm 80 %
February 0.2 °C 61 mm 72 %
March 4.6 °C 76 mm 66 %
April 11.3 °C 94 mm 63 %
May 18.4 °C 87 mm 60 %
June 23.4 °C 101 mm 56 %
July 25.6 °C 103 mm 50 %
August 24.8 °C 87 mm 50 %
September 21.5 °C 88 mm 53 %
October 14.7 °C 94 mm 61 %
November 8.2 °C 82 mm 70 %
December 2.8 °C 80 mm 78 %

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.