May Weather in Douglas, United States

Last updated: June 24, 2025

In May, the average temperature in Douglas, United States hovers around 10°C (51°F). This month can be quite variable, with minimum temperatures plunging to -12°C (11°F) and peaks reaching up to 29°C (85°F). Expect about 83 mm (3.3 in) of precipitation spread over 14 days, and enjoy the refreshing average humidity of 70% that complements the seasonal charm.

May Temperature in Douglas

In May in Douglas, the average temperature is 10°C (51°F). Maximum temperatures can reach 29°C (85°F), while minimums can drop as low as -12°C (11°F). This diverse range of temperatures means visitors should be prepared for both warm and cold conditions when traveling.

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

The chart illustrates May temperature patterns in Douglas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Douglas, May typically has an average temperature of 10°C (51°F), with highs reaching up to 29°C (85°F) and lows dropping to around -12°C (11°F).

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

May Precipitation in Douglas

In Douglas in May, the precipitation amount is 83 mm (3.3 in) spread over a period of 14 days.

May Precipitation Trends in Douglas

The chart displays monthly precipitation patterns in Douglas, 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 Douglas, May typically receives around 83 mm (3.3 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 Douglas

In Douglas in May, humidity is 70%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that penetrates your layers, making outdoor adventures feel much colder than they appear and leaving you longing for a cozy café to escape the clammy air.

May Average Humidity in Douglas

This chart illustrates the average monthly humidity levels in Douglas, 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 Douglas is approximately 70%, 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 Douglas

In Douglas 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 Douglas.

Maximum UV Index Levels in Douglas for May

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

Data source: Douglas 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 Douglas Compares to Other Months

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

This table compares monthly weather conditions in Douglas, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	20 mm (0.8 inches)	79%	moderate
February Weather	-6°C (22°F)	32 mm (1.3 inches)	81%	high
March Weather	1°C (35°F)	56 mm (2.2 inches)	70%	high
April Weather	5°C (41°F)	60 mm (2.4 inches)	67%	extreme
May Weather	10°C (51°F)	83 mm (3.3 inches)	70%	very high
June Weather	19°C (66°F)	44 mm (1.7 inches)	75%	extreme
July Weather	23°C (73°F)	35 mm (1.4 inches)	76%	extreme
August Weather	21°C (70°F)	30 mm (1.2 inches)	76%	very high
September Weather	16°C (62°F)	35 mm (1.4 inches)	72%	very high
October Weather	6°C (43°F)	46 mm (1.8 inches)	70%	high
November Weather	2°C (36°F)	26 mm (1.0 inches)	76%	moderate
December Weather	-2°C (29°F)	25 mm (1.0 inches)	81%	moderate