Weather in Buffalo in May 2026
Average weather
Average temperature in Buffalo in May
The temperature in May is +20°C on average, with a range between a maximum of +30°C during the day and a minimum of 0°C at night.
The average maximum temperature goes up 63% by the end of the month, compared with the beginning of the month, from +9°C to +28°C.
Is Buffalo warm or cold in May?
Buffalo is typically mild in May.
Maximum temperatures go up compared to the previous month from +13°C to +19°C. The minimum temperature also goes up from +4°C to +10°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Buffalo:
Climate in Buffalo in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +13°C | +19°C | +24°C | ||||
| Min. temperature | ||||||
| -10°C | -2°C | +4°C | ||||
| Max. temperature | ||||||
| +33°C | +34°C | +33°C | ||||
| Rainfall | ||||||
| 81 mm | 81 mm | 93 mm | ||||
| Wind | ||||||
| 4 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 67% | 67% | 69% | ||||
| Air pressure | ||||||
| 1014 HPa | 1014 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 4 | 4 | 4 | ||||
| Cloudy days | ||||||
| 9 | 11 | 10 | ||||
| Rainy days | ||||||
| 13 | 15 | 15 | ||||
| Snowy days | ||||||
| 3 | 0 | 0 | ||||
May often has better weather than April. It’s getting warmer as May arrives. The average maximum temperature goes up from +13°C to +19°C during the day. The rainfall amount in May stays the same as in the previous month with a 81 mm of total precipitation. Humidity levels don’t change as the month goes on, averaging around 67%. Winds are calmer in comparison to April, going down from 4 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 4 sunny days during the month.
June brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Buffalo is gradually decreasing during May, going from 7 m/s to 2 m/s over the course of the month.
Rain
How was the weather last May in Buffalo?
Climate Change over Years
The climate in Buffalo in May has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+12°C) and the highest in 2024 (+16°C). The driest year was 1991 with only 608 mm of rainfall, and the wettest year was 2006 with 1079 mm.
FAQ
Is May a good time to visit Buffalo?
Can you sunbathe in Buffalo in May?
Is Buffalo rainy in May?
Is it sunny in Buffalo in May?
Other cities in USA
Monthly weather in Buffalo
Source of the data
For this page, we’ve looked at the typical weather in Buffalo, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
