July weather forecast and climate
Aspen, CO

The icy Maroon Bells in the Elk Mountains viewed from the White River below
The icy Maroon Bells in the Elk Mountains viewed from the White River below

Weather in July

July is a pleasant summer month in Aspen, Colorado, with average temperature varying between 69.4°F (20.8°C) and 40.5°F (4.7°C).

Temperature

With an average high-temperature of 69.4°F (20.8°C) and an average low-temperature of 40.5°F (4.7°C), July is the warmest month.

Humidity

In Aspen, the average relative humidity is 60%.

Rainfall

The wettest months in Aspen, Colorado, are March and July, with an average 0.51" (13mm) of rainfall.

Snowfall

In Aspen snow does not fall in July and August.

Daylight

The average length of the day in Aspen is 14.6h.

Sunshine

In July, the average sunshine is 11.4h.

UV index

June through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the warmest month in Aspen?

The warmest month in Aspen is July, with an average high-temperature of 69.4°F (20.8°C) and an average low-temperature of 40.5°F (4.7°C).

What is the average humidity in July in Aspen?

In Aspen, Colorado, the average relative humidity in July is 60%.

What is the wettest month in Aspen?

The wettest months are March and July, with an average 0.51" (13mm) of rainfall.

How much does it rain in Aspen in July?

In Aspen, in July, during 12.1 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

When it does not snow in Aspen?

In Aspen, Colorado, snow does not fall in July and August.

Does it snow in Aspen in July?

In July, in Aspen, it doesn't snow. June is the latest month when it typically snows.

What is the average length of the day in July in Aspen?

In Aspen, Colorado, the average length of the day in July is 14.6h.

How long on average sun shines in July in Aspen?

The average sunshine in July is 11.4h.

What is the month with the highest UV index in Aspen?

Months with the highest UV index are June through August, with an average maximum UV index of 4.

What is the UV index reading in July in Aspen?

In July, the average daily maximum UV index in Aspen is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in July
Aspen, CO

Average temperature in July - Aspen, CO
  • Average high temperature in July: 69.4°F

The warmest month (with the highest average high temperature) is July (69.4°F).
Months with the lowest average high temperature are January and December (24.4°F).

  • Average low temperature in July: 40.5°F

The month with the highest average low temperature is July (40.5°F).
The coldest month (with the lowest average low temperature) is January (2.1°F).

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Average pressure in July
Aspen, CO

Average pressure in July - Aspen, CO
  • Average pressure in July: 30.06"

The month with the highest atmospheric pressure is January (30.23").
Months with the lowest atmospheric pressure are April and May (29.95").

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Average wind speed in July
Aspen, CO

Average wind speed in July - Aspen, CO
  • Average wind speed in July: 4.7mph

The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and August (4.5mph).

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Average humidity in July
Aspen, CO

Average humidity in July - Aspen, CO
  • Average humidity in July: 60%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is June (51%).

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Average rainfall in July
Aspen, CO

Average rainfall in July - Aspen, CO
  • Average rainfall in July: 0.51"

The wettest months (with the highest rainfall) are March and July (0.51").
The driest month (with the least rainfall) is September (0.2").

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Average rainfall days in July
Aspen, CO

Average rainfall days in July - Aspen, CO
  • Average rainfall days in July: 12.1 days

The month with the highest number of rainy days is July (12.1 days).
The month with the least rainy days is January (2.8 days).

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Average snowfall in July
Aspen, CO

Average snowfall in July - Aspen, CO
  • Average snowfall in July: 0"

The month with the highest snowfall is March (3.98").
Months with the least snowfall are July and August (0").

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Average snowfall days in July
Aspen, CO

Average snowfall days in July - Aspen, CO
  • Average snowfall days in July: 0.1 days

The month with the highest number of snowfall days is February (12.8 days).
Months with the least snowfall days are July and August (0.1 days).

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Average daylight in July /
Average sunshine in July
Aspen, CO

Average daylight in July / Average sunshine in July - Aspen, CO
  • Average daylight in July: 14.6h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in July: 11.4h

The month with the most sunshine is June (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 5.2h).

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Average sunshine days in July
Aspen, CO

Average sunshine days in July - Aspen, CO
  • Average sunshine days in July: 9.8 days

The month with the most sunshine days is November (23.6 days).
The month with the least sunshine days is July (9.8 days).

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Average UV index in July
Aspen, CO

Average UV index in July - Aspen, CO
  • Average UV index in July: 4

Months with the highest UV index are June, July and August (UV index 4).
Months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in July
Aspen, CO

Average cloud cover in July - Aspen, CO
  • Average cloud cover in July: 22

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 15).

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Average visibility in July
Aspen, CO

Average visibility in July - Aspen, CO
  • Average visibility in July: 6mi

Months with the highest visibility are May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March and December (4mi).

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