Climate of Colorado, USA
Area-weighted average across Colorado. For where people actually live and travel, see the cities below.
Colorado, a subdivision of United States of America, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from -4.7°C / 23.5°F in January to 19.3°C / 66.7°F in July, with rainfall from 20 mm / 0.8 in to 55 mm / 2.2 in depending on the season (421 mm / 16.6 in total across the year). See the 2 cities listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -4.7°C23.5°F | 21 mm0.8″ | Snowy |
| February | -2.5°C27.5°F | 20 mm0.8″ | Snowy |
| March | 1.1°C34°F | 33 mm1.3″ | Snowy |
| April | 5.3°C41.5°F | 35 mm1.4″ | — |
| May | 10.7°C51.3°F | 48 mm1.9″ | — |
| June | 16°C60.8°F | 41 mm1.6″ | Sunny & Mild |
| July | 19.3°C66.7°F | 55 mm2.2″ | — |
| August | 18.4°C65.1°F | 51 mm2″ | — |
| September | 14.2°C57.6°F | 37 mm1.5″ | Sunny & Mild |
| October | 8.1°C46.6°F | 30 mm1.2″ | — |
| November | 0.8°C33.4°F | 26 mm1″ | Snowy |
| December | -3.7°C25.3°F | 24 mm0.9″ | Snowy |
Frequently asked questions
What is the best time to visit Colorado?
The best months to visit Colorado, United States of America for sunny, dry weather are June, September. The warmest month is July at an area-wide average of 19.3°C / 66.7°F, and the driest is February with about 20 mm / 0.8 in of rainfall.
What is the climate of Colorado?
Colorado, United States of America has area-weighted monthly average temperatures ranging from -4.7°C / 23.5°F in January to 19.3°C / 66.7°F in July. Annual rainfall averages about 421 mm / 16.6 in, with the wettest month being July (55 mm / 2.2 in) and the driest February (20 mm / 0.8 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Colorado?
The hottest month in Colorado is July, with an area-wide average temperature of 19.3°C / 66.7°F.
What is the coldest month in Colorado?
The coldest month in Colorado is January, with an area-wide average temperature of -4.7°C / 23.5°F.
When does it rain most in Colorado?
The wettest month in Colorado is July, averaging about 55 mm / 2.2 in of rainfall. The driest is February with about 20 mm / 0.8 in.