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April Weather in Thompson Falls, United States

Last updated: June 24, 2025

In April, the average temperature in Thompson Falls, United States hovers around 4°C (39°F), with minimums dipping to -11°C (12°F) and soaring to a maximum of 25°C (77°F). Expect 89 mm (3.5 in) of precipitation spread over 17 days, contributing to an average humidity of 84%. Stay prepared for a mix of chilly days and occasional warmth!

April Temperature in Thompson Falls

In April in Thompson Falls, the average temperature is 4°C (39°F). The maximum can reach 25°C (77°F), while the minimum can drop as low as -11°C (12°F). Be prepared for a wide range of temperatures, making it essential to pack both warm and light clothing for your trip.

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

The chart illustrates April 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, April typically has an average temperature of 4°C (39°F), with highs reaching up to 25°C (77°F) and lows dropping to around -11°C (12°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.

April Precipitation in Thompson Falls

In Thompson Falls in April, the total precipitation amount is 89 mm (3.5 in), occurring over the course of 17 days.

April Precipitation Trends in Thompson Falls

The chart displays monthly precipitation patterns in Thompson Falls, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Thompson Falls, April typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec851268089855918264292109107
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Thompson Falls

In Thompson Falls in April, humidity is 84%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions uncomfortable and demanding more layers than you anticipate while traveling.

April Average Humidity in Thompson Falls

This chart illustrates the average monthly humidity levels in Thompson Falls, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Thompson Falls is approximately 84%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Thompson Falls

In Thompson Falls in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Thompson Falls.

Maximum UV Index Levels in Thompson Falls for April

The chart shows the monthly maximum UV Index (UVI) for Thompson Falls in April, 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 April, the maximum UV index in Thompson Falls typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467991097532
Data source: Thompson Falls April 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 April 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 April’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 April’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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