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May Weather in Oneonta, United States

Last updated: June 24, 2025

In May, the average temperature in Oneonta, United States hovers around 13°C (56°F), offering a cool yet pleasant climate. Expect temperature extremes, with a minimum as low as -4°C (26°F) and soaring highs that can reach 31°C (87°F). During this month, precipitation averages 120 mm (4.7 in) spread across 16 days, creating a lush environment. Additionally, the air tends to be quite humid, with an average humidity of 82%.

May Temperature in Oneonta

In May in Oneonta, the average temperature is 13°C (56°F). Maximum temperatures can reach up to 31°C (87°F), while minimums can drop as low as -4°C (26°F). Be prepared for a wide range of weather if you're planning to travel during this time!

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

The chart illustrates May temperature patterns in Oneonta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oneonta, May typically has an average temperature of 13°C (56°F), with highs reaching up to 31°C (87°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec232632445664706861513629
Data source: Temperature data for Oneonta 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 Oneonta

In Oneonta in May, the precipitation amount is 120 mm (4.7 in) spread over 16 days.

May Precipitation Trends in Oneonta

The chart displays monthly precipitation patterns in Oneonta, 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 Oneonta, May typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec8196871151201051231099815010194
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Oneonta

In Oneonta 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 Oneonta

This chart illustrates the average monthly humidity levels in Oneonta, 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 Oneonta 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 Oneonta

In Oneonta 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 Oneonta.

Maximum UV Index Levels in Oneonta for May

The chart shows the monthly maximum UV Index (UVI) for Oneonta 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 Oneonta typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910101098642
Data source: Oneonta 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 Oneonta Compares to Other Months

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

This table compares monthly weather conditions in Oneonta, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)81 mm (3.2 inches)90%moderate
February Weather-3°C (26°F)96 mm (3.8 inches)90%moderate
March Weather0°C (32°F)87 mm (3.4 inches)87%high
April Weather7°C (44°F)115 mm (4.5 inches)88%very high
May Weather13°C (56°F)120 mm (4.7 inches)82%very high
June Weather18°C (65°F)104 mm (4.1 inches)79%very high
July Weather21°C (70°F)123 mm (4.9 inches)78%very high
August Weather20°C (68°F)109 mm (4.3 inches)76%very high
September Weather16°C (61°F)98 mm (3.9 inches)78%very high
October Weather11°C (51°F)150 mm (5.9 inches)84%high
November Weather2°C (37°F)101 mm (4.0 inches)89%moderate
December Weather-2°C (29°F)94 mm (3.7 inches)86%low

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