May Weather in Red Lion, United States

Last updated: June 24, 2025

In Red Lion, United States, the average temperature in May hovers around 18°C (64°F), with an impressive range where minimums can drop to 1°C (34°F) and maximums soar to 33°C (93°F). Expect 14 days of rain throughout the month, accumulating 125 mm (4.9 in) of precipitation. With an average humidity of 78%, be prepared for a pleasantly damp atmosphere!

May Temperature in Red Lion

In May in Red Lion, the average temperature is 18°C (64°F). Maximum temperatures can reach 33°C (93°F), while the minimum can drop as low as 1°C (34°F). Visitors should be prepared for a wide range of temperatures, making layering essential for an enjoyable trip.

May Weather in Red Lion: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Red Lion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Red Lion, May typically has an average temperature of 18°C (64°F), with highs reaching up to 33°C (93°F) and lows dropping to around 1°C (34°F).

Data source: Temperature data for Red Lion generated using information from the Copernicus Climate Change Service.

May Precipitation in Red Lion

In Red Lion in May, the precipitation amount is 125 mm (4.9 in) over the course of 14 days.

May Precipitation Trends in Red Lion

The chart displays monthly precipitation patterns in Red Lion, 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 Red Lion, May typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Red Lion

In Red Lion in May, humidity is 78%. With an average temperature of 18°C (64°F), this humidity feels like a warm, thick blanket wrapping around you, making traveling feel a bit sticky and sluggish, yet the coolness of the air tempers the intensity, inviting you to explore at a leisurely pace.

May Average Humidity in Red Lion

This chart illustrates the average monthly humidity levels in Red Lion, 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 Red Lion is approximately 78%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Red Lion

In Red Lion in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Red Lion.

Maximum UV Index Levels in Red Lion for May

The chart shows the monthly maximum UV Index (UVI) for Red Lion 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 Red Lion typically reaches 10, which falls under the very high exposure category.

Data source: Red Lion 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 Red Lion Compares to Other Months

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

This table compares monthly weather conditions in Red Lion, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (35°F)	60 mm (2.4 inches)	84%	moderate
February Weather	3°C (38°F)	101 mm (4.0 inches)	83%	moderate
March Weather	6°C (44°F)	99 mm (3.9 inches)	83%	high
April Weather	12°C (54°F)	98 mm (3.9 inches)	81%	very high
May Weather	18°C (64°F)	125 mm (4.9 inches)	78%	very high
June Weather	23°C (73°F)	97 mm (3.8 inches)	79%	very high
July Weather	26°C (79°F)	130 mm (5.1 inches)	74%	very high
August Weather	24°C (76°F)	130 mm (5.1 inches)	72%	very high
September Weather	21°C (70°F)	108 mm (4.2 inches)	75%	very high
October Weather	16°C (60°F)	101 mm (4.0 inches)	81%	high
November Weather	7°C (45°F)	88 mm (3.5 inches)	85%	moderate
December Weather	4°C (39°F)	93 mm (3.7 inches)	84%	low