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May Weather in Williston Highlands, United States

Last updated: June 24, 2025

In Williston Highlands, United States, the average temperature in May is a pleasant 25°C (77°F), though it can dip as low as 10°C (50°F) and soar to a maximum of 37°C (99°F). Expect some rain, with 102 mm (4.0 in) of precipitation spread across approximately 9 days. The average humidity sits at a comfortable 75%, adding a touch of warmth to the atmosphere.

May Temperature in Williston Highlands

In May in Williston Highlands, the average temperature is 25°C (77°F). Maximums can reach 37°C (99°F), while minimums can dip as low as 10°C (50°F). This makes it a perfect time for travelers to enjoy a variety of activities, from exploring the outdoors in the warm sun to experiencing cooler evenings.

May Weather in Williston Highlands: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Williston Highlands, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williston Highlands, May typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (99°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec576466717780818180766560
Data source: Temperature data for Williston Highlands 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 Williston Highlands

In Williston Highlands in May, the total precipitation amount is 102 mm (4.0 in) over a span of 9 days.

May Precipitation Trends in Williston Highlands

The chart displays monthly precipitation patterns in Williston Highlands, 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 Williston Highlands, May typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec49612883102175197197138825287
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Williston Highlands

In Williston Highlands in May humidity is 75%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket, enveloping you and making travel somewhat taxing, as every step can feel heavier and the air thicker, often leading to a desire for shade and cool breezes.

May Average Humidity in Williston Highlands

This chart illustrates the average monthly humidity levels in Williston Highlands, 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 Williston Highlands is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%78%77%75%76%79%78%83%81%83%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Williston Highlands

In Williston Highlands in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Williston Highlands.

Maximum UV Index Levels in Williston Highlands for May

The chart shows the monthly maximum UV Index (UVI) for Williston Highlands 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 Williston Highlands typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112111110975
Data source: Williston Highlands 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 Williston Highlands Compares to Other Months

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

This table compares monthly weather conditions in Williston Highlands, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)49 mm (1.9 inches)83%moderate
February Weather18°C (64°F)61 mm (2.4 inches)82%very high
March Weather19°C (66°F)28 mm (1.1 inches)78%very high
April Weather22°C (71°F)83 mm (3.3 inches)77%extreme
May Weather25°C (77°F)102 mm (4.0 inches)75%extreme
June Weather27°C (80°F)175 mm (6.9 inches)76%extreme
July Weather27°C (81°F)197 mm (7.8 inches)79%extreme
August Weather27°C (82°F)197 mm (7.7 inches)78%extreme
September Weather27°C (80°F)138 mm (5.5 inches)83%very high
October Weather24°C (76°F)82 mm (3.2 inches)81%very high
November Weather18°C (65°F)52 mm (2.0 inches)83%high
December Weather16°C (61°F)87 mm (3.4 inches)86%moderate

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