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May Weather in Buffalo, United States

Last updated: June 24, 2025

In May, the average temperature in Buffalo, United States hovers around 22°C (72°F), providing a pleasant atmosphere. However, be prepared for temperature fluctuations, with a minimum of 6°C (43°F) and a scorching maximum of 36°C (98°F). During this month, expect around 121 mm (4.8 in) of precipitation over 11 days, and experience a cozy average humidity of 83%.

May Temperature in Buffalo

In May in Buffalo, the average temperature is 22°C (72°F). Maximums can reach 36°C (98°F), while minimums can dip as low as 6°C (43°F). This diverse range of temperatures makes it essential for travelers to pack both warm and light clothing for their visit.

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 22°C (72°F), with highs reaching up to 36°C (98°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec455055637177817975665248
Data source: Temperature data for Buffalo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Buffalo

In Buffalo in May, the total precipitation amount is 121 mm (4.8 in), which occurs over the course of 11 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 121 mm (4.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec95123921141219011412711910496126
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Buffalo

In Buffalo in May humidity is 83%. With average temperature 22°C (72°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities challenging and prompting travelers to seek shade or frequent stops for hydration.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109863
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.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)95 mm (3.7 inches)86%moderate
February Weather10°C (51°F)123 mm (4.9 inches)85%high
March Weather13°C (55°F)92 mm (3.6 inches)84%very high
April Weather17°C (63°F)114 mm (4.5 inches)82%very high
May Weather22°C (72°F)121 mm (4.8 inches)83%extreme
June Weather25°C (77°F)90 mm (3.5 inches)82%extreme
July Weather27°C (81°F)114 mm (4.5 inches)80%extreme
August Weather26°C (79°F)127 mm (5.0 inches)74%very high
September Weather24°C (75°F)119 mm (4.7 inches)75%very high
October Weather19°C (66°F)104 mm (4.1 inches)79%very high
November Weather11°C (52°F)96 mm (3.8 inches)87%high
December Weather9°C (48°F)126 mm (5.0 inches)87%moderate

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