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May Weather in Crystal Falls, United States

Last updated: June 24, 2025

In Crystal Falls, United States, the average temperature in May is a mild 12°C (54°F). Expect a wide range of temperatures, with a minimum dipping to -4°C (25°F) and a maximum soaring to 33°C (91°F). During this time, precipitation averages 79 mm (3.1 in) spread over 10 days, contributing to an average humidity of 77%. Whether you're enjoying mild days or cozying up during cooler spells, this month offers a unique blend of weather!

May Temperature in Crystal Falls

In May in Crystal Falls, the average temperature is 12°C (54°F), with maximums soaring to 33°C (91°F) and minimums plummeting as low as -4°C (25°F). Travelers should prepare for a wide range of temperatures and pack accordingly to enjoy their visit.

May Weather in Crystal Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Crystal Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Crystal Falls, May typically has an average temperature of 12°C (54°F), with highs reaching up to 33°C (91°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec161527385465696658453021
Data source: Temperature data for Crystal Falls 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 Crystal Falls

In Crystal Falls in May, the precipitation amount is 79 mm (3.1 in) over a span of 10 days.

May Precipitation Trends in Crystal Falls

The chart displays monthly precipitation patterns in Crystal Falls, 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 Crystal Falls, May typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec334947877994100114951045355
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Crystal Falls

In Crystal Falls in May, humidity is 77%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that wraps around you, making your travels a little more uncomfortable and requiring you to dress in layers to stay warm and dry.

May Average Humidity in Crystal Falls

This chart illustrates the average monthly humidity levels in Crystal Falls, 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 Crystal Falls is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Crystal Falls

In Crystal Falls in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Crystal Falls.

Maximum UV Index Levels in Crystal Falls for May

The chart shows the monthly maximum UV Index (UVI) for Crystal Falls 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 Crystal Falls typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810997532
Data source: Crystal Falls 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 Crystal Falls Compares to Other Months

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

This table compares monthly weather conditions in Crystal Falls, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)33 mm (1.3 inches)89%low
February Weather-9°C (16°F)49 mm (1.9 inches)90%moderate
March Weather-3°C (27°F)47 mm (1.9 inches)87%moderate
April Weather3°C (38°F)87 mm (3.4 inches)84%high
May Weather12°C (54°F)79 mm (3.1 inches)77%very high
June Weather18°C (65°F)94 mm (3.7 inches)75%very high
July Weather21°C (70°F)100 mm (4.0 inches)74%very high
August Weather19°C (66°F)114 mm (4.5 inches)73%very high
September Weather15°C (59°F)95 mm (3.7 inches)78%high
October Weather7°C (45°F)104 mm (4.1 inches)84%moderate
November Weather-1°C (30°F)53 mm (2.1 inches)89%moderate
December Weather-6°C (22°F)55 mm (2.2 inches)87%low

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