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May Weather in Priest River, United States

Last updated: June 24, 2025

In Priest River, United States, the average temperature in May is a cool 13°C (56°F). Temperatures can vary widely, ranging from a chilly 0°C (32°F) at their lowest to a warm 31°C (88°F) at their peak. Expect about 55 mm (2.2 in) of precipitation over approximately 9 days, while the air remains quite humid, with an average humidity of 83%.

May Temperature in Priest River

In May in Priest River, the average temperature is 13°C (56°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as 0°C (32°F). Be prepared for a wide range of temperatures when traveling during this time!

May Weather in Priest River: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Priest River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Priest River, May typically has an average temperature of 13°C (56°F), with highs reaching up to 31°C (88°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec292737445664737260463731
Data source: Temperature data for Priest River 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 Priest River

In Priest River in May, the precipitation amount is 55 mm (2.2 in) over a span of 9 days.

May Precipitation Trends in Priest River

The chart displays monthly precipitation patterns in Priest River, 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 Priest River, May typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1018676745532722447796109
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Priest River

In Priest River in May humidity is 83%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as the air feels heavy and the moisture clings to your skin.

May Average Humidity in Priest River

This chart illustrates the average monthly humidity levels in Priest River, 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 Priest River is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%88%83%80%82%71%71%85%90%96%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Priest River

In Priest River 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 Priest River.

Maximum UV Index Levels in Priest River for May

The chart shows the monthly maximum UV Index (UVI) for Priest River 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 Priest River typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689997432
Data source: Priest River 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 Priest River Compares to Other Months

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

This table compares monthly weather conditions in Priest River, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)101 mm (4.0 inches)95%low
February Weather-3°C (27°F)86 mm (3.4 inches)93%moderate
March Weather3°C (37°F)76 mm (3.0 inches)91%moderate
April Weather7°C (45°F)74 mm (2.9 inches)88%high
May Weather13°C (56°F)55 mm (2.2 inches)83%very high
June Weather18°C (64°F)32 mm (1.2 inches)80%very high
July Weather23°C (73°F)7 mm (0.3 inches)82%very high
August Weather22°C (72°F)22 mm (0.9 inches)71%very high
September Weather16°C (61°F)44 mm (1.7 inches)71%high
October Weather8°C (46°F)77 mm (3.0 inches)85%moderate
November Weather3°C (37°F)96 mm (3.8 inches)90%moderate
December Weather-1°C (31°F)109 mm (4.3 inches)96%low

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