May Weather in Hartwick, United States

Last updated: June 24, 2025

The average temperature in Hartwick, United States during May is 14°C (57°F). Expect a range from a chilly -3°C (26°F) to a sizzling 31°C (89°F). During this month, precipitation totals around 125 mm (4.9 in) over approximately 16 days, contributing to an average humidity of 82%. Prepare accordingly for a mix of weather!

May Temperature in Hartwick

In May in Hartwick, the average temperature is 14°C (57°F). Maximums can reach 31°C (89°F), and minimums can be as low as -3°C (26°F). This month offers a diverse range of weather conditions, making it essential for travelers to pack accordingly for both warmth and cooler temperatures.

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

The chart illustrates May temperature patterns in Hartwick, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartwick, May typically has an average temperature of 14°C (57°F), with highs reaching up to 31°C (89°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec232632445665706861513629
Data source: Temperature data for Hartwick 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 Hartwick

In Hartwick in May, the precipitation amount is 125 mm (4.9 in) spread over 16 days.

May Precipitation Trends in Hartwick

The chart displays monthly precipitation patterns in Hartwick, 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 Hartwick, May typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec849989121125118146127102163105101
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hartwick

In Hartwick in May, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

May Average Humidity in Hartwick

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

In Hartwick in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Hartwick.

Maximum UV Index Levels in Hartwick for May

The chart shows the monthly maximum UV Index (UVI) for Hartwick 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 Hartwick typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910998642
Data source: Hartwick 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 Hartwick Compares to Other Months

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

This table compares monthly weather conditions in Hartwick, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)84 mm (3.3 inches)90%moderate
February Weather-3°C (27°F)99 mm (3.9 inches)90%moderate
March Weather0°C (33°F)89 mm (3.5 inches)87%high
April Weather7°C (44°F)121 mm (4.8 inches)88%very high
May Weather14°C (57°F)125 mm (4.9 inches)82%very high
June Weather18°C (65°F)118 mm (4.7 inches)79%very high
July Weather21°C (70°F)146 mm (5.7 inches)78%very high
August Weather20°C (68°F)127 mm (5.0 inches)76%very high
September Weather16°C (62°F)102 mm (4.0 inches)78%very high
October Weather11°C (51°F)163 mm (6.4 inches)84%high
November Weather2°C (37°F)105 mm (4.1 inches)89%moderate
December Weather-2°C (29°F)100 mm (4.0 inches)86%low

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