May weather forecast and climate
Colorado, USA

Flag of Colorado, USA
Flag of Colorado, USA

Weather in May

May is a beautiful warm month with long sunny days in Colorado. The average high temperatures are in the warm 60°F (15.6°C) to 75°F (23.9°C) range, while the average low temperatures are in the mild 30°F (-1.1°C) to 50°F (10°C). The western part is colder at night in the mountainous regions and arid desert lands and sees a rapid drop in temperature compared to the day. Glenwood Springs in the west averages between 39°F (3.9°C) to 70°F (21.1°C), while Boulder in the east is between 44°F (6.7°C) to 72°F (22.2°C).
Rain is moderate to the tune of 2" (51mm) to 3" (76mm) and mixes with the last remnants of snow. May has an average of 22 days with ample sunshine, while a few of the areas have cloud cover for the rest of the month.
The fishing season draws visitors, and so do other activities like kayaking, canoeing, and river rafting, especially in the deep canyons. The fresh air of spring is a great time to visit Colorado and explore its beautiful national parks. Be alert as the first of the thunderstorms generally strike in May!


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