Colorado Climate

   
 
 

The Colorado Climate Guide is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine. The climate guide shown below is for Denver.

J F M A M J J A S O N D
Max Daytime Temperature (°C) 6°C (43°F) Max Daytime Temperature in January in Colorado (Denver) 8°C (46°F) Max Daytime Temperature in February in Colorado (Denver) 11°C (52°F) Max Daytime Temperature in March in Colorado (Denver) 17°C (63°F) Max Daytime Temperature in April in Colorado (Denver) 22°C (72°F) Max Daytime Temperature in May in Colorado (Denver) 27°C (81°F) Max Daytime Temperature in June in Colorado (Denver) 31°C (88°F) Max Daytime Temperature in July in Colorado (Denver) 30°C (86°F) Max Daytime Temperature in August in Colorado (Denver) 25°C (77°F) Max Daytime Temperature in September in Colorado (Denver) 19°C (66°F) Max Daytime Temperature in October in Colorado (Denver) 12°C (54°F) Max Daytime Temperature in November in Colorado (Denver) 7°C (45°F) Max Daytime Temperature in December in Colorado (Denver)
Min Night-time Temperature (°C) -9°C (16°F) Min Night-time Temperature in January in Colorado (Denver) -7°C (19°F) Min Night-time Temperature in February in Colorado (Denver) -4°C (25°F) Min Night-time Temperature in March in Colorado (Denver) 1°C (34°F) Min Night-time Temperature in April in Colorado (Denver) 6°C (43°F) Min Night-time Temperature in May in Colorado (Denver) 11°C (52°F) Min Night-time Temperature in June in Colorado (Denver) 14°C (57°F) Min Night-time Temperature in July in Colorado (Denver) 14°C (57°F) Min Night-time Temperature in August in Colorado (Denver) 8°C (46°F) Min Night-time Temperature in September in Colorado (Denver) 2°C (36°F) Min Night-time Temperature in October in Colorado (Denver) -4°C (25°F) Min Night-time Temperature in November in Colorado (Denver) -8°C (18°F) Min Night-time Temperature in December in Colorado (Denver)
Hours of Sunshine (Daily) 7 Hours of Bright Sunshine per day (71% of Daylight Hours) in January in Colorado (Denver) 8 Hours of Bright Sunshine per day (70% of Daylight Hours) in February in Colorado (Denver) 8 Hours of Bright Sunshine per day (69% of Daylight Hours) in March in Colorado (Denver) 9 Hours of Bright Sunshine per day (70% of Daylight Hours) in April in Colorado (Denver) 10 Hours of Bright Sunshine per day (66% of Daylight Hours) in May in Colorado (Denver) 11 Hours of Bright Sunshine per day (71% of Daylight Hours) in June in Colorado (Denver) 11 Hours of Bright Sunshine per day (72% of Daylight Hours) in July in Colorado (Denver) 10 Hours of Bright Sunshine per day (72% of Daylight Hours) in August in Colorado (Denver) 9 Hours of Bright Sunshine per day (73% of Daylight Hours) in September in Colorado (Denver) 8 Hours of Bright Sunshine per day (72% of Daylight Hours) in October in Colorado (Denver) 7 Hours of Bright Sunshine per day (65% of Daylight Hours) in November in Colorado (Denver) 6 Hours of Bright Sunshine per day (67% of Daylight Hours) in December in Colorado (Denver)
Hours of Daylight (Daily) 10 Hours of Daylight in January in Colorado (Denver) 11 Hours of Daylight in February in Colorado (Denver) 12 Hours of Daylight in March in Colorado (Denver) 13 Hours of Daylight in April in Colorado (Denver) 14 Hours of Daylight in May in Colorado (Denver) 15 Hours of Daylight in June in Colorado (Denver) 15 Hours of Daylight in July in Colorado (Denver) 14 Hours of Daylight in August in Colorado (Denver) 12 Hours of Daylight in September in Colorado (Denver) 11 Hours of Daylight in October in Colorado (Denver) 10 Hours of Daylight in November in Colorado (Denver) 9 Hours of Daylight in December in Colorado (Denver)
Heat and Humidity Discomfort No heat & humidity in January in Colorado (Denver) No heat & humidity in February in Colorado (Denver) No heat & humidity in March in Colorado (Denver) No heat & humidity in April in Colorado (Denver) No heat & humidity in May in Colorado (Denver) Low heat & humidity in June in Colorado (Denver) Moderate heat & humidity in July in Colorado (Denver) Moderate heat & humidity in August in Colorado (Denver) No heat & humidity in September in Colorado (Denver) No heat & humidity in October in Colorado (Denver) No heat & humidity in November in Colorado (Denver) No heat & humidity in December in Colorado (Denver)
Days with some Rainfall 6 Days with some Rainfall in January in Colorado (Denver) 6 Days with some Rainfall in February in Colorado (Denver) 9 Days with some Rainfall in March in Colorado (Denver) 8 Days with some Rainfall in April in Colorado (Denver) 10 Days with some Rainfall in May in Colorado (Denver) 9 Days with some Rainfall in June in Colorado (Denver) 9 Days with some Rainfall in July in Colorado (Denver) 9 Days with some Rainfall in August in Colorado (Denver) 7 Days with some Rainfall in September in Colorado (Denver) 5 Days with some Rainfall in October in Colorado (Denver) 6 Days with some Rainfall in November in Colorado (Denver) 6 Days with some Rainfall in December in Colorado (Denver)
Monthly Rainfall (mm) 13 mm (0.5 inches) Monthly Rainfall in January in Colorado (Denver) 18 mm (0.7 inches) Monthly Rainfall in February in Colorado (Denver) 34 mm (1.3 inches) Monthly Rainfall in March in Colorado (Denver) 42 mm (1.7 inches) Monthly Rainfall in April in Colorado (Denver) 71 mm (2.8 inches) Monthly Rainfall in May in Colorado (Denver) 40 mm (1.6 inches) Monthly Rainfall in June in Colorado (Denver) 53 mm (2.1 inches) Monthly Rainfall in July in Colorado (Denver) 40 mm (1.6 inches) Monthly Rainfall in August in Colorado (Denver) 30 mm (1.2 inches) Monthly Rainfall in September in Colorado (Denver) 24 mm (0.9 inches) Monthly Rainfall in October in Colorado (Denver) 22 mm (0.9 inches) Monthly Rainfall in November in Colorado (Denver) 15 mm (0.6 inches) Monthly Rainfall in December in Colorado (Denver)
UV Index (Maximum) UV (Maximum) Index 2 (Low) in January in Colorado (Denver) UV (Maximum) Index 3 (Moderate) in February in Colorado (Denver) UV (Maximum) Index 5 (Moderate) in March in Colorado (Denver) UV (Maximum) Index 7 (High) in April in Colorado (Denver) UV (Maximum) Index 9 (Very High) in May in Colorado (Denver) UV (Maximum) Index 10 (Very High) in June in Colorado (Denver) UV (Maximum) Index 11 (Extreme) in July in Colorado (Denver) UV (Maximum) Index 10 (Very High) in August in Colorado (Denver) UV (Maximum) Index 7 (High) in September in Colorado (Denver) UV (Maximum) Index 5 (Moderate) in October in Colorado (Denver) UV (Maximum) Index 3 (Moderate) in November in Colorado (Denver) UV (Maximum) Index 2 (Low) in December in Colorado (Denver)
J F M A M J J A S O N D
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The state of Colorado straddles the highest regions of the Rocky Mountains between Utah in the west and Kansas in the east. Colorado is famous for the rarefied air of its forested snow-covered mountains and has the highest average elevation of any state. It is also a land of great contrasts. In the west there is desert and in the east a vast rolling prairie.

The capital, Denver 'Mile High City', is situated on the edge of this prairie where the mountains and the plains meet, with about half the state's population living in the surrounding area.

To the west of Denver mountains rise abruptly and extend westwards for over 160 kilometres (100 miles). Among the many ranges there are more than 1,000 peaks over 3,000 metres (10,000 ft), and some of the most famous ski resorts in the world such as Vail and Aspen.

Further west, the mountains give way to the rugged Colorado Plateau with broken tablelands, which over the years have become eroded by melt-waters off the mountains.

Colorado has an extreme climate with summer temperatures ranging from comfortable in the mountains to hot on the plains, and long cold winters almost everywhere.

In winter, mountain temperatures regularly fall below 18°C (0°F) and the eastern plains are occasionally affected by blizzard conditions when polar air masses collide with warmer moist air off the Gulf of Mexico. The plains are also particularly prone to severe thunderstorms in the spring and summer months.

Colorado's distance from the Pacific Ocean and the Gulf of Mexico means that rainfall levels are generally low. In winter precipitation falls almost entirely as snow, especially in the mountains, leading to abundant snow cover. For most of western Colorado rainfall levels are higher in winter than in summer, whereas in the east the opposite is true.

Throughout the state sunshine levels are high. Denver boasts an average of more than 60% of daylight hours with bright sunshine for every month of the year. Clear skies, spectacular scenery and cool mountain temperatures at the height of summer make Colorado a popular destination.

Map of Colorado

Select a destination from the Colorado Map to view the climate guide. Alternatively, select from the list of destinations below the map. Can't find the Colorado weather destination you are after? Try the Destination Search.

Alamosa   Aspen   Breckenridge   Colorado Springs   Denver   Durango   Estes Park   Fort Collins   Glenwood Springs   Grand Junction   Pueblo   Telluride   Vail  

Colorado weather by month

Check the weather for a particular month in Colorado by selecting a month from the list below. Alternatively check which month usually has the Best Weather in Colorado. If you are not sure where to go, why not try our Holiday Planner.

   
 
 

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