May Weather in Selah, United States

Last updated: June 24, 2025

In May, the average temperature in Selah, United States hovers around 15°C (59°F). Expect a range where the minimum dips to 1°C (34°F) and the maximum soars to 32°C (90°F). During this month, precipitation totals about 16 mm (0.6 in) over 5 days, and you'll likely experience average humidity levels around 81%.

May Temperature in Selah

In May in Selah, the average temperature is 15°C (59°F). Maximums can reach 32°C (90°F) and minimums can drop as low as 1°C (34°F). This diverse weather makes Selah an exciting destination for travelers looking to experience a mix of warmth and cooler temperatures.

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

The chart illustrates May temperature patterns in Selah, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Selah, May typically has an average temperature of 15°C (59°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (34°F).

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

May Precipitation in Selah

In Selah in May, the precipitation amount is 16 mm (0.6 in) spread over a duration of 5 days.

May Precipitation Trends in Selah

The chart displays monthly precipitation patterns in Selah, 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 Selah, May typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 5 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 Selah

In Selah in May humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.

May Average Humidity in Selah

This chart illustrates the average monthly humidity levels in Selah, 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 Selah is approximately 81%, 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 Selah

In Selah 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 Selah.

Maximum UV Index Levels in Selah for May

The chart shows the monthly maximum UV Index (UVI) for Selah 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 Selah typically reaches 9, which falls under the very high exposure category.

Data source: Selah 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 Selah Compares to Other Months

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

This table compares monthly weather conditions in Selah, 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 (30°F)	65 mm (2.5 inches)	86%	low
February Weather	0°C (32°F)	66 mm (2.6 inches)	86%	moderate
March Weather	4°C (40°F)	36 mm (1.4 inches)	87%	moderate
April Weather	9°C (49°F)	27 mm (1.1 inches)	84%	high
May Weather	15°C (59°F)	16 mm (0.6 inches)	81%	very high
June Weather	19°C (66°F)	9 mm (0.4 inches)	82%	very high
July Weather	23°C (73°F)	1 mm (0.0 inches)	79%	very high
August Weather	23°C (73°F)	5 mm (0.2 inches)	63%	very high
September Weather	17°C (63°F)	17 mm (0.7 inches)	62%	very high
October Weather	9°C (49°F)	42 mm (1.6 inches)	83%	moderate
November Weather	3°C (38°F)	49 mm (1.9 inches)	89%	moderate
December Weather	0°C (32°F)	60 mm (2.4 inches)	88%	low