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May Weather in Port Allegany, United States

Last updated: June 24, 2025

In Port Allegany, United States, the average temperature in May hovers around 14°C (57°F), with minimums dipping to -4°C (25°F) and maximums soaring to 29°C (85°F). This month sees an average of 142 mm (5.6 in) of precipitation spread over 15 days, contributing to a notable average humidity of 80%.

May Temperature in Port Allegany

In May in Port Allegany, the average temperature is 14°C (57°F). Maximum temperatures can reach up to 29°C (85°F), while minimums can dip as low as -4°C (25°F). This wide temperature range makes Port Allegany an interesting destination for travelers, offering both mild and cooler weather experiences.

May Weather in Port Allegany: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Port Allegany, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Allegany, May typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (85°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec252834455764706862523730
Data source: Temperature data for Port Allegany 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 Port Allegany

In Port Allegany in May, the total precipitation amount is 142 mm (5.6 in) spread over a period of 15 days.

May Precipitation Trends in Port Allegany

The chart displays monthly precipitation patterns in Port Allegany, 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 Port Allegany, May typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec851009111814211511998991259494
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Port Allegany

In Port Allegany in May, humidity is 80%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making travel uncomfortable and sticky, as sweat clings to your skin and the air feels heavy with moisture.

May Average Humidity in Port Allegany

This chart illustrates the average monthly humidity levels in Port Allegany, 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 Port Allegany is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Port Allegany

In Port Allegany in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Port Allegany.

Maximum UV Index Levels in Port Allegany for May

The chart shows the monthly maximum UV Index (UVI) for Port Allegany 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 Port Allegany typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Port Allegany 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 Port Allegany Compares to Other Months

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

This table compares monthly weather conditions in Port Allegany, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)85 mm (3.3 inches)89%moderate
February Weather-2°C (28°F)100 mm (3.9 inches)90%moderate
March Weather1°C (35°F)91 mm (3.6 inches)89%high
April Weather7°C (45°F)118 mm (4.6 inches)88%very high
May Weather14°C (57°F)142 mm (5.6 inches)80%very high
June Weather18°C (65°F)115 mm (4.5 inches)79%very high
July Weather21°C (70°F)119 mm (4.7 inches)74%very high
August Weather20°C (68°F)98 mm (3.8 inches)64%very high
September Weather16°C (62°F)99 mm (3.9 inches)67%very high
October Weather11°C (52°F)125 mm (4.9 inches)81%high
November Weather3°C (37°F)94 mm (3.7 inches)89%moderate
December Weather-1°C (31°F)94 mm (3.7 inches)88%low

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