May Weather in Redmond, United States

Last updated: June 24, 2025

In May, the average temperature in Redmond, United States is a cool 11°C (53°F). Expect temperature ranges from a brisk -12°C (11°F) to a warm 29°C (85°F). During this month, 41 mm (1.6 in) of precipitation typically falls over 8 days, contributing to an average humidity level of 54%.

May Temperature in Redmond

In May in Redmond, the average temperature is 11°C (53°F), with maximums reaching 29°C (85°F) and minimums dropping as low as -12°C (11°F). Be prepared for a wide range of temperatures to enjoy your travels!

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

The chart illustrates May temperature patterns in Redmond, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Redmond, May typically has an average temperature of 11°C (53°F), with highs reaching up to 29°C (85°F) and lows dropping to around -12°C (11°F).

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

May Precipitation in Redmond

In Redmond in May, the total precipitation amount is 41 mm (1.6 in) occurring over the course of 8 days.

May Precipitation Trends in Redmond

The chart displays monthly precipitation patterns in Redmond, 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 Redmond, May typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 8 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 Redmond

In Redmond in May humidity is 54%. With an average temperature of 11°C (53°F), this humidity feels like a crisp, refreshing embrace, making it ideal for exploring the sights without feeling too hot or sticky.

May Average Humidity in Redmond

This chart illustrates the average monthly humidity levels in Redmond, 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 Redmond is approximately 54%, 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 Redmond

In Redmond 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 Redmond.

Maximum UV Index Levels in Redmond for May

The chart shows the monthly maximum UV Index (UVI) for Redmond 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 Redmond typically reaches 11, which falls under the extreme exposure category.

Data source: Redmond 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 Redmond Compares to Other Months

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

This table compares monthly weather conditions in Redmond, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	39 mm (1.5 inches)	87%	moderate
February Weather	-4°C (26°F)	49 mm (1.9 inches)	88%	high
March Weather	1°C (33°F)	50 mm (2.0 inches)	77%	very high
April Weather	6°C (43°F)	38 mm (1.5 inches)	69%	extreme
May Weather	11°C (53°F)	41 mm (1.6 inches)	54%	extreme
June Weather	19°C (67°F)	9 mm (0.3 inches)	45%	extreme
July Weather	23°C (73°F)	15 mm (0.6 inches)	37%	extreme
August Weather	22°C (71°F)	13 mm (0.5 inches)	34%	extreme
September Weather	16°C (62°F)	21 mm (0.8 inches)	47%	very high
October Weather	7°C (44°F)	33 mm (1.3 inches)	67%	high
November Weather	2°C (37°F)	25 mm (1.0 inches)	82%	high
December Weather	-4°C (25°F)	38 mm (1.5 inches)	87%	moderate