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May Weather in Salmon, United States

Last updated: June 24, 2025

In May, the average temperature in Salmon, United States hovers around 7°C (45°F). Temperatures can range from a chilly -11°C (12°F) at their lowest to a pleasant 26°C (79°F) at their peak. During this month, expect about 80 mm (3.2 in) of precipitation spread across 15 days, contributing to a cozy average humidity of 83%.

May Temperature in Salmon

In May in Salmon, the average temperature is 7°C (45°F). Maximums can reach 26°C (79°F), while minimums can dip as low as -11°C (12°F). This variation in temperature makes Salmon an intriguing destination for travelers, offering both mild days and crisp evenings to enjoy.

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

The chart illustrates May temperature patterns in Salmon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Salmon, May typically has an average temperature of 7°C (45°F), with highs reaching up to 26°C (79°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec172029344556666455372616
Data source: Temperature data for 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 Salmon

In Salmon in May, the total precipitation amount is 80 mm (3.2 in) spread over 15 days.

May Precipitation Trends in Salmon

The chart displays monthly precipitation patterns in 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 Salmon, May typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec459061678098253041585454
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Salmon

In Salmon in May, humidity is 83%. With an average temperature of 7°C (45°F), this humidity feels like a chilly blanket wrapping around you, making travel somewhat uncomfortable as you navigate the dampness that settles in your clothes, leading to a heavy and muggy experience outdoors.

May Average Humidity in Salmon

This chart illustrates the average monthly humidity levels in 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 Salmon is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%93%91%87%83%80%75%66%66%77%92%96%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Salmon

In Salmon in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Salmon.

Maximum UV Index Levels in Salmon for May

The chart shows the monthly maximum UV Index (UVI) for 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 Salmon typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111111108642
Data source: 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 Salmon Compares to Other Months

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

This table compares monthly weather conditions in Salmon, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)45 mm (1.8 inches)94%moderate
February Weather-7°C (20°F)90 mm (3.5 inches)93%moderate
March Weather-2°C (30°F)61 mm (2.4 inches)91%high
April Weather1°C (35°F)67 mm (2.6 inches)87%very high
May Weather7°C (45°F)80 mm (3.2 inches)83%extreme
June Weather13°C (56°F)97 mm (3.8 inches)80%extreme
July Weather19°C (66°F)25 mm (1.0 inches)75%extreme
August Weather18°C (64°F)30 mm (1.2 inches)66%very high
September Weather13°C (55°F)41 mm (1.6 inches)66%very high
October Weather3°C (38°F)58 mm (2.3 inches)77%high
November Weather-3°C (27°F)54 mm (2.1 inches)91%moderate
December Weather-9°C (17°F)54 mm (2.1 inches)96%low

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