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May Weather in Bufalo, Puerto Rico

Last updated: August 31, 2025

In Bufalo, Puerto Rico, the average temperature in May hovers around 26°C (80°F), with daily variations ranging from a minimum of 23°C (73°F) to a maximum of 33°C (91°F). Prepare for some rain, as precipitation typically measures about 85 mm (3.3 in) over 16 days, and expect a comfortable humidity level of around 75%.

May Temperature in Bufalo

In May in Bufalo, the average temperature is 26°C (80°F), with maximums reaching 33°C (91°F) and minimums dropping to as low as 23°C (73°F). This pleasant climate makes it an ideal destination for travelers looking to enjoy warm weather during their visit.

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

The chart illustrates May temperature patterns in Bufalo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bufalo, May typically has an average temperature of 26°C (80°F), with highs reaching up to 33°C (91°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec767676777981818281807977
Data source: Temperature data for Bufalo 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 Bufalo

In Bufalo in May, the precipitation amount is 85 mm (3.3 in), occurring over the course of 16 days.

May Precipitation Trends in Bufalo

The chart displays monthly precipitation patterns in Bufalo, 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 Bufalo, May typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec404482728580899519515210244
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Bufalo

In Bufalo in May humidity is 75%. With an average temperature of 26°C (80°F), this humidity feels like a warm, muggy embrace, making travel a bit sticky and uncomfortable but also inviting you to slow down and savor the local culture in shaded cafes and breezy spots by the water.

May Average Humidity in Bufalo

This chart illustrates the average monthly humidity levels in Bufalo, 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 Bufalo is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%75%77%80%80%79%78%78%76%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Bufalo

In Bufalo in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Bufalo, you can check here.

Maximum UV Index Levels in Bufalo for May

The chart shows the monthly maximum UV Index (UVI) for Bufalo 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 Bufalo typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131314131313131298
Data source: Bufalo 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 Bufalo Compares to Other Months

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

This table compares monthly weather conditions in Bufalo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (76°F)40 mm (1.6 inches)76%very high
February Weather24°C (76°F)44 mm (1.7 inches)75%extreme
March Weather25°C (76°F)82 mm (3.2 inches)74%extreme
April Weather25°C (78°F)72 mm (2.8 inches)75%extreme
May Weather26°C (80°F)85 mm (3.3 inches)75%extreme
June Weather27°C (81°F)80 mm (3.2 inches)77%extreme
July Weather27°C (82°F)89 mm (3.5 inches)80%extreme
August Weather28°C (82°F)95 mm (3.8 inches)80%extreme
September Weather27°C (81°F)195 mm (7.7 inches)79%extreme
October Weather27°C (80°F)152 mm (6.0 inches)78%extreme
November Weather26°C (79°F)102 mm (4.0 inches)78%very high
December Weather25°C (78°F)44 mm (1.7 inches)76%very high

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