May Weather in McNary, United States

Last updated: June 24, 2025

In McNary, United States, the average temperature in May hovers around 13°C (56°F), with a range that can dip to a chilling -4°C (25°F) or soar up to a warm 29°C (84°F). Expect some light showers, as precipitation amounts to approximately 23 mm (0.9 in) over the course of 5 days. With an average humidity of 45%, this month offers a refreshing climate to enjoy the beautiful surroundings!

May Temperature in McNary

In May in McNary, the average temperature is 13°C (56°F). Maximum temperatures can reach 29°C (84°F), while minimums can drop as low as -4°C (25°F). This range of temperatures makes McNary a destination for both warm-weather enthusiasts and those who appreciate the chill, so be sure to pack for varying conditions.

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

The chart illustrates May temperature patterns in McNary, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McNary, May typically has an average temperature of 13°C (56°F), with highs reaching up to 29°C (84°F) and lows dropping to around -4°C (25°F).

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

May Precipitation in McNary

In McNary in May, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.

May Precipitation Trends in McNary

The chart displays monthly precipitation patterns in McNary, 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 McNary, May typically receives around 23 mm (0.9 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 McNary

In McNary in May humidity is 45%. With an average temperature of 13°C (56°F), this humidity feels like a crisp chill, making it ideal for light layering while exploring the sights without feeling overheated.

May Average Humidity in McNary

This chart illustrates the average monthly humidity levels in McNary, 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 McNary is approximately 45%, 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 McNary

In McNary in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in McNary.

Maximum UV Index Levels in McNary for May

The chart shows the monthly maximum UV Index (UVI) for McNary 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 McNary typically reaches 13, which falls under the extreme exposure category.

Data source: McNary 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 McNary Compares to Other Months

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

This table compares monthly weather conditions in McNary, 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)	50 mm (2.0 inches)	81%	moderate
February Weather	1°C (34°F)	62 mm (2.4 inches)	82%	very high
March Weather	4°C (40°F)	49 mm (1.9 inches)	68%	extreme
April Weather	9°C (49°F)	21 mm (0.8 inches)	55%	extreme
May Weather	13°C (56°F)	23 mm (0.9 inches)	45%	extreme
June Weather	20°C (68°F)	10 mm (0.4 inches)	37%	extreme
July Weather	20°C (68°F)	166 mm (6.5 inches)	43%	extreme
August Weather	19°C (66°F)	67 mm (2.6 inches)	53%	extreme
September Weather	16°C (62°F)	44 mm (1.7 inches)	66%	extreme
October Weather	11°C (52°F)	30 mm (1.2 inches)	72%	very high
November Weather	6°C (43°F)	23 mm (0.9 inches)	81%	high
December Weather	1°C (34°F)	44 mm (1.7 inches)	84%	moderate