Temperature for May
In Buffalo, NY during May the average high temperature is 67.5°F. The hottest day on record was May 31, 2006 when the temperature hit 91.0°F.
Precipitation for May
In May the average monthly rainfall in Buffalo, NY is 2.13 inches with rain usually falling on between 15 and 16 days. 1943 was the driest May with only 0.00 inches of rain falling, and 1973 was the wettest May with 9.87 inches of rain. The wettest single day in May was 27 May 1973 when 7.09 inches of rain fell.
In May it usually snows on between 0 and 1 days. There are thunderstorms on between 2 and 3 days in May.