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May Weather in Thompson Falls, United States

Last updated: June 24, 2025

In Thompson Falls, United States, the average temperature in May hovers around 10°C (50°F). However, temperatures can vary significantly, with a minimum dipping to -4°C (24°F) and a maximum reaching 28°C (83°F). Expect about 85 mm (3.4 in) of precipitation over 15 days, accompanied by an average humidity of 77%.

May Temperature in Thompson Falls

In May in Thompson Falls, the average temperature is 10°C (50°F). Maximum temperatures can reach up to 28°C (83°F), while the minimum can dip as low as -4°C (24°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates May temperature patterns in Thompson Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thompson Falls, May typically has an average temperature of 10°C (50°F), with highs reaching up to 28°C (83°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec252232395058676655413327
Data source: Temperature data for Thompson 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 Thompson Falls

In Thompson Falls, in May, the precipitation amount is 85 mm (3.4 in) over a span of 15 days.

May Precipitation Trends in Thompson Falls

The chart displays monthly precipitation patterns in Thompson 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 Thompson Falls, May typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec851268089855918264292109107
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Thompson Falls

In Thompson Falls in May, humidity is 77%. With an average temperature of 10°C (50°F), this humidity feels like a thick, heavy blanket enveloping you, making travel uncomfortable and sticky, as it clings to your skin and clothes, turning each step into a challenge.

May Average Humidity in Thompson Falls

This chart illustrates the average monthly humidity levels in Thompson 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 Thompson Falls is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%87%84%78%78%77%64%62%79%87%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Thompson Falls

In Thompson Falls 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 Thompson Falls.

Maximum UV Index Levels in Thompson Falls for May

The chart shows the monthly maximum UV Index (UVI) for Thompson 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 Thompson Falls typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467991097532
Data source: Thompson 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 Thompson Falls Compares to Other Months

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

This table compares monthly weather conditions in Thompson Falls, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)85 mm (3.4 inches)89%low
February Weather-6°C (22°F)126 mm (5.0 inches)89%moderate
March Weather0°C (32°F)80 mm (3.1 inches)87%high
April Weather4°C (39°F)89 mm (3.5 inches)84%high
May Weather10°C (50°F)85 mm (3.4 inches)77%very high
June Weather14°C (58°F)59 mm (2.3 inches)78%very high
July Weather20°C (67°F)18 mm (0.7 inches)77%very high
August Weather19°C (66°F)26 mm (1.0 inches)64%very high
September Weather13°C (55°F)42 mm (1.6 inches)62%high
October Weather5°C (41°F)92 mm (3.6 inches)79%moderate
November Weather0°C (33°F)109 mm (4.3 inches)87%moderate
December Weather-3°C (27°F)107 mm (4.2 inches)90%low

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