Aspen
Colorado, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Aspen, CO

The scenic view of the icy Maroon Bells in the Elk Mountains viewed from the White River below
The scenic view of the icy Maroon Bells in the Elk Mountains viewed from the White River below
January, the same as December, is a wintry winter month in Aspen, Colorado, with average temperature ranging between max 35.6°F (2°C) and min 9.3°F (-12.6°C). In Aspen, Colorado, the average high-temperature in January is essentially the same as in December - a still cold 35.6°F (2°C). Weather in January »
February, the last month of the winter, in Aspen, is another cold month, with average temperature fluctuating between 12°F (-11.1°C) and 39.4°F (4.1°C). In February, the average high-temperature is almost the same as in January - a still cold 39.4°F (4.1°C). Weather in February »

The first month of the spring, March, is a chilly month in Aspen, Colorado, with average temperature ranging between min 19.8°F (-6.8°C) and max 45.7°F (7.6°C). In Aspen, Colorado, the average high-temperature slightly increases, from a wintry 39.4°F (4.1°C) in February, to a chilly 45.7°F (7.6°C). Weather in March »

April is a cool spring month in Aspen, Colorado, with temperature in the range of an average low of 27°F (-2.8°C) and an average high of 52.9°F (11.6°C). In April, the average high-temperature slightly increases, from a frosty 45.7°F (7.6°C) in March, to a fresh 52.9°F (11.6°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Aspen, Colorado, with average temperature varying between 35.4°F (1.9°C) and 63.1°F (17.3°C). In May, the average high-temperature increases, from a fresh 52.9°F (11.6°C) in April, to an enjoyable 63.1°F (17.3°C). Weather in May »

The first month of the summer, June, is a pleasant month in Aspen, Colorado, with temperature in the range of an average low of 42.3°F (5.7°C) and an average high of 72.9°F (22.7°C). In Aspen, the average high-temperature rises, from an enjoyable 63.1°F (17.3°C) in May, to a pleasant 72.9°F (22.7°C). Weather in June »

July is a moderately hot summer month in Aspen, Colorado, with average temperature fluctuating between 78.4°F (25.8°C) and 48°F (8.9°C). July is the warmest month, with an average high-temperature of 78.4°F (25.8°C) and an average low-temperature of 48°F (8.9°C). Weather in July »

August, the last month of the summer, in Aspen, is another warm month, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 47.5°F (8.6°C). In Aspen, Colorado, the average high-temperature is relatively the same as in July - a still warm 75.9°F (24.4°C). Weather in August »

The first month of the autumn, September, is also an agreeable month in Aspen, Colorado, with average temperature fluctuating between 69.3°F (20.7°C) and 39.6°F (4.2°C). In Aspen, Colorado, the average high-temperature in September marginally drops, from a warm 75.9°F (24.4°C) in August, to an agreeable 69.3°F (20.7°C). Weather in September »

October, the same as September, in Aspen, Colorado, is a moderate autumn month, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 57.9°F (14.4°C). In Aspen, Colorado, the average high-temperature in October decreases, from a pleasant 69.3°F (20.7°C) in September, to a mild 57.9°F (14.4°C). Weather in October »

The last month of the autumn, November, is another chilly month in Aspen, Colorado, with temperature in the range of an average high of 43.9°F (6.6°C) and an average low of 19.2°F (-7.1°C). In Aspen, the average high-temperature in November drops, from a moderate 57.9°F (14.4°C) in October, to a frosty 43.9°F (6.6°C). Weather in November »

The first month of the winter, December, is still a cold month in Aspen, Colorado, with average temperature ranging between max 34.7°F (1.5°C) and min 10.2°F (-12.1°C). With an average high-temperature of 34.7°F (1.5°C) and an average low-temperature of 10.2°F (-12.1°C), December is the coldest month. Weather in December »

How many days does it rain in Aspen?

Throughout the year, in Aspen, there are 130 rainfall days, and 24.9" (633.2mm) of precipitation is accumulated.

When does it snow in Aspen?

Months with snowfall are January through June, September through December.

How much does it snow in Aspen?

In Aspen, Colorado, during the entire year, snow aggregates up to 136.9" (3477.3mm).

When does it snow the most in Aspen?

January is the month with the most snowfall, with 25.2" (640.1mm) of accumulated snow.

What are the months with the lowest UV index in Aspen?

Months with the lowest UV index in Aspen are January and December, with an average maximum UV index of 2.

What is the wettest month in Aspen?

March is the month with the most rainfall in Aspen, Colorado. Rain falls for 12 days and accumulates 2.7" (67.6mm) of precipitation.

What is the driest month in Aspen?

June is the month with the least rainfall. Rain falls for 7 days and accumulates 1.3" (33.3mm) of precipitation.

When are the longest days in Aspen?

With an average of 14.9h of daylight, June has the longest days of the year in Aspen.

What month has the most sunshine in Aspen?

June has the most sunshine of the year in Aspen, with an average of 11h of sunshine.

When is the highest UV index in Aspen?

Months with the highest UV index are June and July, with an average maximum UV index of 11.

What is the warmest month in Aspen?

July is the warmest month in Aspen, Colorado, with an average high-temperature of 78.4°F (25.8°C) and an average low-temperature of 48°F (8.9°C).

What is the month with the least sunshine in Aspen?

Months with the least sunshine are November and December, with an average of 6h of sunshine.

What is the coldest month in Aspen?

The coldest month in Aspen, Colorado, is December, with an average high-temperature of 34.7°F (1.5°C) and an average low-temperature of 10.2°F (-12.1°C).

What is the month with the shortest days in Aspen?

The month with the shortest days in Aspen is December, with an average of 9.5h of daylight.
Average rainfall - Aspen, CO
Average rainfall days - Aspen, CO

Months with the highest number of rainy days are January, February, March, April, August and December (12 days).
The month with the lowest number of rainy days is June (7 days).

Average daylight / Average sunshine - Aspen, CO