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May Weather in Penn Yan, United States

Last updated: June 24, 2025

In May, the average temperature in Penn Yan, United States hovers around 14°C (58°F). Temperatures can swing from a chilly -1°C (30°F) at their lowest to a warm 33°C (92°F) at their peak. Expect about 116 mm (4.5 in) of precipitation over approximately 15 days, coupled with an average humidity level of 82%. Embrace the unique climate of this captivating destination!

May Temperature in Penn Yan

In May in Penn Yan, the average temperature is 14°C (58°F). Maximums can reach 33°C (92°F), while minimums can drop as low as -1°C (30°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

May Weather in Penn Yan: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Penn Yan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Penn Yan, May typically has an average temperature of 14°C (58°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec272935465867737265544033
Data source: Temperature data for Penn Yan 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 Penn Yan

In Penn Yan in May, the precipitation amount is 116 mm (4.5 in) spread over a duration of 15 days.

May Precipitation Trends in Penn Yan

The chart displays monthly precipitation patterns in Penn Yan, 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 Penn Yan, May typically receives around 116 mm (4.5 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec7781741121168914295811428691
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Penn Yan

In Penn Yan in May, humidity is 82%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and sticky.

May Average Humidity in Penn Yan

This chart illustrates the average monthly humidity levels in Penn Yan, 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 Penn Yan is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Penn Yan

In Penn Yan 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 Penn Yan.

Maximum UV Index Levels in Penn Yan for May

The chart shows the monthly maximum UV Index (UVI) for Penn Yan 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 Penn Yan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
Data source: Penn Yan 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 Penn Yan Compares to Other Months

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

This table compares monthly weather conditions in Penn Yan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)77 mm (3.0 inches)90%moderate
February Weather-2°C (29°F)81 mm (3.2 inches)90%moderate
March Weather2°C (35°F)74 mm (2.9 inches)87%high
April Weather8°C (46°F)112 mm (4.4 inches)88%very high
May Weather14°C (58°F)116 mm (4.5 inches)82%very high
June Weather20°C (68°F)89 mm (3.5 inches)79%very high
July Weather23°C (73°F)142 mm (5.6 inches)78%very high
August Weather22°C (72°F)95 mm (3.8 inches)76%very high
September Weather18°C (65°F)81 mm (3.2 inches)78%very high
October Weather12°C (55°F)142 mm (5.6 inches)84%high
November Weather5°C (41°F)86 mm (3.4 inches)89%moderate
December Weather0°C (33°F)91 mm (3.6 inches)86%low

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