Colorado (United States of America) in general has a mild continental climate. The day temperatures range from 1 °C (34 °F) in December to 24 °C (75 °F) in July. The least rainy month in Colorado is October with its 8 days of rain, the rainiest month is August, when it rains 12 days. Temperatures during the night go from -15 °C (5 °F) in January to 6 °C (42 °F) in July.
The best time to visit Colorado is between June and July. In this period day temperatures range from 21 °C (69 °F) to 24 °C (75 °F), night temperatures from 2 °C (36 °F) to 6 °C (42 °F) and you can expect on average 10 days of rain per month and 10 of sunshine on average per day. Colorado is also a winter sports resort, so there is a season for these activities also in winter.
The hottest month in Colorado is July with a temperature of 24 °C (75 °F). The period with the highest daytime temperatures is in Colorado during July - August. The temperatures range at this time between 23 °C (73 °F) - 24 °C (75 °F).
The highest night temperatures in Colorado occur in the months of July - August. During this time the night temperatures are between 5 °C (41 °F) - 6 °C (42 °F).
The period, which is the sunniest in Colorado, is in the months of April - August, when there is an average of 10 sun hours per day.
Colorado is a destination with rather light or moderate winds.
The least cloudy months in Colorado are September - November, when the cloud cover is on average only 31 %.
Yes, it is likely to be freezing at night in Colorado in the months of September - May. And often during the day in the months of December - February.
Colorado belongs to destinations with lower humidity. It ranges from 43 % to 58 %. The most humid months are November - January and the least humid are May - July.