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May Weather in Cascade, United States

Last updated: June 24, 2025

In May, the average temperature in Cascade, United States hovers around 11°C (52°F), with temperatures ranging from a chilly -5°C (23°F) to a warm 30°C (86°F). Expect 81 mm (3.2 in) of precipitation over approximately 12 days, and be prepared for a moist environment with an average humidity of 76%.

May Temperature in Cascade

In May in Cascade, the average temperature is 11°C (52°F), with maximums reaching 30°C (86°F) and minimums dropping as low as -5°C (23°F). This varied climate makes Cascade a versatile destination for travelers, so be sure to pack for a range of temperatures!

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

The chart illustrates May temperature patterns in Cascade, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cascade, May typically has an average temperature of 11°C (52°F), with highs reaching up to 30°C (86°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec241933405261706858433527
Data source: Temperature data for Cascade 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 Cascade

In Cascade in May, the precipitation amount is 81 mm (3.2 in) over a span of 12 days.

May Precipitation Trends in Cascade

The chart displays monthly precipitation patterns in Cascade, 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 Cascade, May typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec164029648196152741403027
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cascade

In Cascade in May, humidity is 76%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor exploration feel uncomfortable and heavy, often leaving travelers longing for a warm café to escape the cool, moist air.

May Average Humidity in Cascade

This chart illustrates the average monthly humidity levels in Cascade, 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 Cascade is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%83%78%76%78%77%71%68%72%84%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Cascade

In Cascade 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 Cascade.

Maximum UV Index Levels in Cascade for May

The chart shows the monthly maximum UV Index (UVI) for Cascade 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 Cascade typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Cascade 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 Cascade Compares to Other Months

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

This table compares monthly weather conditions in Cascade, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)16 mm (0.6 inches)87%low
February Weather-7°C (19°F)40 mm (1.6 inches)88%moderate
March Weather0°C (33°F)29 mm (1.1 inches)83%moderate
April Weather5°C (41°F)64 mm (2.5 inches)78%very high
May Weather11°C (52°F)81 mm (3.2 inches)76%very high
June Weather16°C (62°F)96 mm (3.8 inches)78%very high
July Weather21°C (70°F)15 mm (0.6 inches)77%very high
August Weather20°C (68°F)27 mm (1.1 inches)71%very high
September Weather14°C (58°F)41 mm (1.6 inches)68%high
October Weather6°C (43°F)40 mm (1.6 inches)72%moderate
November Weather1°C (35°F)30 mm (1.2 inches)84%moderate
December Weather-3°C (28°F)27 mm (1.1 inches)90%low

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