May Weather in Collbran, United States

Last updated: June 24, 2025

In Collbran, United States, the average temperature in May hovers around 11°C (51°F). Expect a range where minimums can drop to -7°C (19°F), while maximums can reach up to 27°C (81°F). During this month, anticipate about 56 mm (2.2 in) of precipitation spread over 10 days, accompanied by an average humidity of 58%.

May Temperature in Collbran

In May in Collbran, the average temperature is 11°C (51°F). Maximums can reach as high as 27°C (81°F) and minimums can drop to as low as -7°C (19°F). When traveling to Collbran during this month, be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates May temperature patterns in Collbran, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Collbran, May typically has an average temperature of 11°C (51°F), with highs reaching up to 27°C (81°F) and lows dropping to around -7°C (19°F).

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

May Precipitation in Collbran

In Collbran in May, the precipitation amount is 56 mm (2.2 in) over the course of 10 days.

May Precipitation Trends in Collbran

The chart displays monthly precipitation patterns in Collbran, 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 Collbran, May typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 10 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 Collbran

In Collbran in May, humidity is 58%. With an average temperature of 11°C (51°F), this humidity feels like a cool dampness that makes traveling a bit brisk, requiring a light jacket but also a refreshing energy that wakes you up as you explore the surroundings.

May Average Humidity in Collbran

This chart illustrates the average monthly humidity levels in Collbran, 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 Collbran is approximately 58%, 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 Collbran

In Collbran 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 Collbran.

Maximum UV Index Levels in Collbran for May

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

Data source: Collbran 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 Collbran Compares to Other Months

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

This table compares monthly weather conditions in Collbran, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	61 mm (2.4 inches)	90%	moderate
February Weather	-5°C (24°F)	73 mm (2.9 inches)	89%	high
March Weather	0°C (33°F)	86 mm (3.4 inches)	81%	very high
April Weather	4°C (40°F)	49 mm (1.9 inches)	74%	extreme
May Weather	11°C (51°F)	56 mm (2.2 inches)	58%	extreme
June Weather	18°C (64°F)	26 mm (1.0 inches)	47%	extreme
July Weather	21°C (70°F)	31 mm (1.2 inches)	39%	extreme
August Weather	20°C (68°F)	22 mm (0.9 inches)	39%	extreme
September Weather	15°C (60°F)	40 mm (1.6 inches)	53%	very high
October Weather	6°C (42°F)	76 mm (3.0 inches)	72%	high
November Weather	0°C (33°F)	38 mm (1.5 inches)	84%	moderate
December Weather	-6°C (22°F)	61 mm (2.4 inches)	90%	moderate