Buffalo climate

Buffalo is warmest in July, with average highs of 26 °C, and coldest in February, when nights average -6.8 °C. July is the wettest month (103 mm) and February the driest (61 mm). Figures are 1991–2020 climate normals.

Across a full year Buffalo averages 1,026 mm of rain, 51 days above 25 °C and 107 days below freezing.

United States · 183 m elevation · population 258,071 · 1991–2020 normals

  1. Jan -4°
  2. Feb -4°
  3. Mar
  4. Apr
  5. May 14°
  6. Jun 20°
  7. Jul 22°
  8. Aug 21°
  9. Sep 18°
  10. Oct 12°
  11. Nov
  12. Dec

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

  • Warmest month July 26 °C
  • Coldest month February -6.8 °C
  • Driest month February 61 mm
  • Wettest month July 103 mm
  • Least cloud August 50 % cloud
  • Hottest on record July 34 °C
  • Coldest on record January -25 °C

What to expectBuffalo through the year

Buffalo has a clear annual cycle: average daily highs run from 0.2 °C in February to 26 °C in July, a swing of 26 °C in mean temperature across the year.

Counted across a normal year, 51 days a year reach 25 °C, 2 of them reach 30 °C, 107 nights drop below freezing. The warmest reading in the 1991–2020 record is 34 °C, in July.

Rain is spread fairly evenly through the year, from 61 mm in February to 103 mm in July. There is no dry season to aim for.

Month by month

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 %

Temperature month by month

MonthAvg highAvg lowMeanRecord highRecord lowDays above 25 °CDays above 30 °CDays below 0 °C
January-0.4 °C-6.4 °C-3.6 °C15.9 °C-24.8 °C0027
February0.2 °C-6.8 °C-3.6 °C18.9 °C-22.1 °C0025
March4.6 °C-3.1 °C0.3 °C22.3 °C-20.4 °C0022
April11.3 °C3.2 °C6.9 °C27.8 °C-7.6 °C006
May18.4 °C10.5 °C14.2 °C31.1 °C-2.0 °C200
June23.4 °C16.2 °C19.6 °C32.1 °C6.8 °C1010
July25.6 °C19.0 °C22.2 °C34.0 °C11.7 °C1810
August24.8 °C18.4 °C21.4 °C32.1 °C9.4 °C1500
September21.5 °C14.9 °C17.9 °C30.8 °C3.3 °C600
October14.7 °C8.9 °C11.5 °C27.8 °C-1.7 °C000
November8.2 °C2.9 °C5.2 °C20.0 °C-10.9 °C007
December2.8 °C-2.3 °C0.0 °C17.2 °C-19.1 °C0020

Rain, sun and wind month by month

MonthRainfallWet daysDaylightCloud coverHumidityWind
January74 mm129.4 h/day80 %76 %26 km/h
February61 mm1011 h/day72 %74 %24 km/h
March76 mm1112 h/day66 %72 %22 km/h
April94 mm1213 h/day63 %70 %22 km/h
May87 mm1215 h/day60 %70 %20 km/h
June101 mm1215 h/day56 %72 %19 km/h
July103 mm1215 h/day50 %72 %18 km/h
August87 mm1114 h/day50 %74 %18 km/h
September88 mm913 h/day53 %73 %19 km/h
October94 mm1211 h/day61 %73 %23 km/h
November82 mm129.7 h/day70 %73 %24 km/h
December80 mm129.0 h/day78 %75 %24 km/h

How Buffalo compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination Summer high Winter low Rain per year Days above 25 °C
Buffalo 26 °C -6.8 °C 1,026 mm 51
Hamilton · Canada 26 °C -7.0 °C 913 mm 58
Mississauga · Canada 26 °C -8.6 °C 881 mm 57
Toronto · Canada 25 °C -8.1 °C 806 mm 43
Etobicoke · Canada 26 °C -7.9 °C 804 mm 52
Rochester · United States 26 °C -6.7 °C 1,045 mm 58
Oshawa · Canada 25 °C -8.1 °C 892 mm 40

Where Buffalo ranks

Planning a trip? See the best time to visit Buffalo.

QuestionsCommon questions about Buffalo’s climate

When is the best time to visit Buffalo?

That depends on what you want, so the honest answer is a comparison rather than a single month. June, August, September sit closest to 20 °C on average, July is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does Buffalo get?

In July, the warmest month, daily highs average 26 °C. About 2 days a year pass 30 °C. The highest value in the 1991–2020 record is 34 °C.

How cold does it get in winter?

Nights average -6.8 °C in February, the coldest month. A normal year has 107 nights below freezing.

Which month is wettest in Buffalo?

July, averaging 103 mm over 12 days with rain. The driest month is February with 61 mm. The year as a whole averages 1,026 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Buffalo rather than what any particular week will bring. Individual years can differ substantially from the normal.

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: monthly rankings, daylight hours, beach and comfort scores. 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.