May Weather in Buffalo, United States

Last updated: June 24, 2025

In May, the average temperature in Buffalo, United States is a pleasant 19°C (67°F), with temperatures ranging from a chilly 1°C (35°F) to a sweltering 37°C (98°F). Expect about 118 mm (4.6 in) of precipitation spread over 12 days, creating a humid atmosphere with an average humidity of 82%.

May Temperature in Buffalo

In May in Buffalo, the average temperature is 19°C (67°F), with maximums reaching up to 37°C (98°F) and minimums dropping as low as 1°C (35°F). Be prepared for a wide range of temperatures for your travels!

May Weather in Buffalo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Buffalo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Buffalo, May typically has an average temperature of 19°C (67°F), with highs reaching up to 37°C (98°F) and lows dropping to around 1°C (35°F).

Data source: Temperature data for Buffalo generated using information from the Copernicus Climate Change Service.

May Precipitation in Buffalo

In Buffalo in May, the precipitation amount is 118 mm (4.6 in) spread over 12 days.

May Precipitation Trends in Buffalo

The chart displays monthly precipitation patterns in Buffalo, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Buffalo, May typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Buffalo

In Buffalo in May humidity is 82%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket wrapping around you, making each step feel sluggish and the air thick as you explore the sights.

May Average Humidity in Buffalo

This chart illustrates the average monthly humidity levels in Buffalo, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Buffalo is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Buffalo

In Buffalo in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Buffalo.

Maximum UV Index Levels in Buffalo for May

The chart shows the monthly maximum UV Index (UVI) for Buffalo in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Buffalo typically reaches 11, which falls under the extreme exposure category.

Data source: Buffalo May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How May Weather in Buffalo Compares to Other Months

Weather in Buffalo varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Buffalo, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Buffalo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	25 mm (1.0 inches)	75%	moderate
February Weather	2°C (37°F)	13 mm (0.5 inches)	76%	high
March Weather	10°C (50°F)	64 mm (2.5 inches)	67%	high
April Weather	14°C (57°F)	52 mm (2.1 inches)	70%	very high
May Weather	19°C (67°F)	118 mm (4.6 inches)	82%	extreme
June Weather	26°C (78°F)	60 mm (2.4 inches)	82%	extreme
July Weather	28°C (82°F)	44 mm (1.7 inches)	81%	extreme
August Weather	26°C (80°F)	55 mm (2.2 inches)	76%	extreme
September Weather	23°C (74°F)	49 mm (1.9 inches)	67%	very high
October Weather	15°C (59°F)	62 mm (2.4 inches)	72%	high
November Weather	8°C (47°F)	12 mm (0.5 inches)	80%	moderate
December Weather	4°C (40°F)	26 mm (1.0 inches)	83%	moderate