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May Weather in Horseheads, United States

Last updated: June 24, 2025

In May, the average temperature in Horseheads, United States hovers around 14°C (58°F), with a minimum dipping to -3°C (27°F) and a maximum soaring up to 31°C (88°F). Expect a fair amount of rainfall, with 128 mm (5.0 in) expected over about 15 days. Additionally, the average humidity is relatively high at 82%, making it a unique month for weather enthusiasts.

May Temperature in Horseheads

In May in Horseheads, the average temperature is 14°C (58°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as -3°C (27°F). This diverse temperature range makes Horseheads an ideal destination for travelers seeking both warm and cool experiences.

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

The chart illustrates May temperature patterns in Horseheads, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Horseheads, May typically has an average temperature of 14°C (58°F), with highs reaching up to 31°C (88°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec252834465866717063533831
Data source: Temperature data for Horseheads 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 Horseheads

In Horseheads in May, the precipitation amount is 128 mm (5.0 in) over the course of 15 days.

May Precipitation Trends in Horseheads

The chart displays monthly precipitation patterns in Horseheads, 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 Horseheads, May typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec7187831181289913795931408488
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Horseheads

In Horseheads 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 Horseheads

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

In Horseheads 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 Horseheads.

Maximum UV Index Levels in Horseheads for May

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

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

This table compares monthly weather conditions in Horseheads, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)71 mm (2.8 inches)90%moderate
February Weather-2°C (28°F)87 mm (3.4 inches)90%moderate
March Weather1°C (35°F)82 mm (3.2 inches)87%high
April Weather8°C (46°F)118 mm (4.7 inches)88%very high
May Weather14°C (58°F)128 mm (5.0 inches)82%very high
June Weather19°C (66°F)99 mm (3.9 inches)79%very high
July Weather22°C (72°F)137 mm (5.4 inches)78%very high
August Weather21°C (70°F)95 mm (3.8 inches)76%very high
September Weather17°C (63°F)93 mm (3.7 inches)78%very high
October Weather11°C (53°F)140 mm (5.5 inches)84%high
November Weather3°C (38°F)84 mm (3.3 inches)89%moderate
December Weather-1°C (31°F)88 mm (3.5 inches)86%low

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