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May Weather in White Salmon, United States

Last updated: June 24, 2025

In May, the average temperature in White Salmon, United States hovers around 13°C (56°F). Expect a wide range, with minimums dipping to 0°C (33°F) and maximums soaring to 31°C (88°F). During this month, precipitation totals 37 mm (1.4 in) over approximately 8 days, while the average humidity stays high at 80%.

May Temperature in White Salmon

In May in White Salmon, the average temperature is 13°C (56°F). Maximum temperatures can reach 31°C (88°F), while minimum temperatures can drop as low as 0°C (33°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack accordingly.

May Weather in White Salmon: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in White Salmon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In White Salmon, 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 (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec343540475562697061494035
Data source: Temperature data for White Salmon 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 White Salmon

In White Salmon in May, the precipitation amount is 37 mm (1.4 in) spread over 8 days.

May Precipitation Trends in White Salmon

The chart displays monthly precipitation patterns in White Salmon, 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 White Salmon, May typically receives around 37 mm (1.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec166178106913728244090133173
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in White Salmon

In White Salmon in May humidity is 80%. With average temperature 13°C (56°F) this humidity feels like a damp chill that seeps into your bones, making outdoor exploration more challenging and necessitating layered clothing for comfort.

May Average Humidity in White Salmon

This chart illustrates the average monthly humidity levels in White Salmon, 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 White Salmon is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%85%80%82%79%63%59%78%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in White Salmon

In White Salmon 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 White Salmon.

Maximum UV Index Levels in White Salmon for May

The chart shows the monthly maximum UV Index (UVI) for White Salmon 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 White Salmon typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101098532
Data source: White Salmon 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 White Salmon Compares to Other Months

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

This table compares monthly weather conditions in White Salmon, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)166 mm (6.5 inches)86%low
February Weather2°C (35°F)178 mm (7.0 inches)87%moderate
March Weather5°C (40°F)106 mm (4.2 inches)86%high
April Weather8°C (47°F)91 mm (3.6 inches)85%high
May Weather13°C (56°F)37 mm (1.4 inches)80%very high
June Weather17°C (63°F)28 mm (1.1 inches)82%very high
July Weather21°C (70°F)2 mm (0.1 inches)78%very high
August Weather21°C (70°F)4 mm (0.2 inches)62%very high
September Weather16°C (62°F)40 mm (1.6 inches)59%very high
October Weather9°C (49°F)90 mm (3.5 inches)78%moderate
November Weather5°C (41°F)133 mm (5.2 inches)88%moderate
December Weather2°C (35°F)173 mm (6.8 inches)88%low

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