May Weather in Colo, United States

Last updated: June 24, 2025

In May, the average temperature in Colo, United States hovers around 16°C (62°F). You'll experience a range from a chilly 0°C (32°F) to a warm 35°C (95°F). Be prepared for some wet days, as precipitation averages 151 mm (5.9 in) over about 15 days. With an average humidity of 77%, it’s wise to embrace the local climate and stay refreshed!

May Temperature in Colo

In May in Colo, the average temperature is 16°C (62°F), with maximums reaching 35°C (95°F) and minimums dipping as low as 0°C (32°F). This diverse temperature range makes Colo an ideal destination for travelers seeking both warm days and cooler nights during their visit.

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

The chart illustrates May temperature patterns in Colo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colo, 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 (32°F).

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

May Precipitation in Colo

In Colo in May, the precipitation amount is 151 mm (5.9 in) over a period of 15 days.

May Precipitation Trends in Colo

The chart displays monthly precipitation patterns in Colo, 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 Colo, May typically receives around 151 mm (5.9 inches) of precipitation spread over approximately 15 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 Colo

In Colo in May, humidity is 77%. With an average temperature of 16°C (62°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel heavy and draining, so travelers may want to plan for breaks in shaded areas and stay hydrated.

May Average Humidity in Colo

This chart illustrates the average monthly humidity levels in Colo, 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 Colo is approximately 77%, 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 Colo

In Colo 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 Colo.

Maximum UV Index Levels in Colo for May

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

Data source: Colo 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 Colo Compares to Other Months

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

This table compares monthly weather conditions in Colo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	38 mm (1.5 inches)	78%	moderate
February Weather	-6°C (22°F)	44 mm (1.7 inches)	80%	moderate
March Weather	3°C (38°F)	77 mm (3.0 inches)	77%	high
April Weather	9°C (48°F)	83 mm (3.3 inches)	77%	very high
May Weather	16°C (62°F)	151 mm (5.9 inches)	77%	very high
June Weather	23°C (74°F)	105 mm (4.1 inches)	81%	extreme
July Weather	24°C (76°F)	74 mm (2.9 inches)	81%	very high
August Weather	23°C (73°F)	62 mm (2.4 inches)	77%	very high
September Weather	20°C (68°F)	115 mm (4.5 inches)	73%	very high
October Weather	11°C (52°F)	132 mm (5.2 inches)	75%	high
November Weather	3°C (38°F)	43 mm (1.7 inches)	85%	moderate
December Weather	-1°C (30°F)	35 mm (1.4 inches)	83%	moderate