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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 13°C (56°F). Expect a minimum dip to 0°C (32°F), while the mercury can rise as high as 29°C (84°F). This month typically sees 101 mm (4.0 in) of precipitation spread over about 13 days, coupled with an average humidity level of 82%. Embrace the mix of refreshingly cool and pleasantly warm days!

May Temperature in Buffalo

In May in Buffalo, the average temperature is 13°C (56°F), with maximums reaching 29°C (84°F) and minimums dropping as low as 0°C (32°F). Be sure to pack layers to stay comfortable during 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 13°C (56°F), with highs reaching up to 29°C (84°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec282935445666737265554134
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 precipitation amount is 101 mm (4.0 in) over the course of 13 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 101 mm (4.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec7782721161018112583751288791
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 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

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.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%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 is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
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 Weather-2°C (28°F)77 mm (3.0 inches)91%low
February Weather-2°C (29°F)82 mm (3.2 inches)91%moderate
March Weather2°C (35°F)72 mm (2.8 inches)88%moderate
April Weather7°C (44°F)116 mm (4.6 inches)88%very high
May Weather13°C (56°F)101 mm (4.0 inches)82%very high
June Weather19°C (67°F)81 mm (3.2 inches)79%very high
July Weather23°C (73°F)125 mm (4.9 inches)77%very high
August Weather22°C (72°F)83 mm (3.3 inches)72%very high
September Weather19°C (66°F)75 mm (3.0 inches)76%high
October Weather13°C (55°F)128 mm (5.0 inches)83%moderate
November Weather5°C (42°F)87 mm (3.4 inches)88%moderate
December Weather1°C (34°F)91 mm (3.6 inches)87%low

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