May Weather in Ahtanum, United States

Last updated: June 24, 2025

In May, the average temperature in Ahtanum, United States is a pleasant 16°C (62°F). It can range from a chilly minimum of 0°C (33°F) to a warm maximum of 35°C (95°F). Expect 13 mm (0.5 in) of precipitation spread over about 3 days, along with an average humidity level of 81%—perfect for a cozy atmosphere!

May Temperature in Ahtanum

In May in Ahtanum, the average temperature is 16°C (62°F). Maximums can reach 35°C (95°F), and minimums can be as low as 0°C (33°F). This makes Ahtanum an ideal destination for travelers seeking a mix of warm and cool weather activities.

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

The chart illustrates May temperature patterns in Ahtanum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ahtanum, May typically has an average temperature of 16°C (62°F), with highs reaching up to 35°C (95°F) and lows dropping to around 0°C (33°F).

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

May Precipitation in Ahtanum

In Ahtanum in May, the precipitation amount is 13 mm (0.5 in) over a span of 3 days.

May Precipitation Trends in Ahtanum

The chart displays monthly precipitation patterns in Ahtanum, 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 Ahtanum, May typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 3 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 Ahtanum

In Ahtanum in May, humidity is 81%. With an average temperature of 16°C (62°F), this humidity feels like a warm embrace that can quickly leave travelers feeling sticky and drained, making outdoor adventures a bit challenging unless they stay properly hydrated and take breaks in the shade.

May Average Humidity in Ahtanum

This chart illustrates the average monthly humidity levels in Ahtanum, 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 Ahtanum 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 Ahtanum

In Ahtanum 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 Ahtanum.

Maximum UV Index Levels in Ahtanum for May

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

Data source: Ahtanum 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 Ahtanum Compares to Other Months

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

This table compares monthly weather conditions in Ahtanum, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	63 mm (2.5 inches)	86%	low
February Weather	1°C (34°F)	63 mm (2.5 inches)	86%	moderate
March Weather	6°C (42°F)	30 mm (1.2 inches)	87%	moderate
April Weather	10°C (51°F)	23 mm (0.9 inches)	84%	high
May Weather	16°C (62°F)	13 mm (0.5 inches)	81%	very high
June Weather	21°C (70°F)	6 mm (0.2 inches)	82%	very high
July Weather	25°C (77°F)	1 mm (0.0 inches)	79%	very high
August Weather	24°C (76°F)	4 mm (0.2 inches)	63%	very high
September Weather	18°C (65°F)	12 mm (0.5 inches)	62%	high
October Weather	10°C (51°F)	37 mm (1.4 inches)	83%	moderate
November Weather	4°C (40°F)	42 mm (1.7 inches)	89%	moderate
December Weather	1°C (34°F)	59 mm (2.3 inches)	88%	low