July weather forecastAspen, CO

July
Weather in July
July is the warmest month with an average high temperature of a balmy 69.4°F (20.8°C). Clothing lightens further as Aspen basks in the height of summer. Despite the warmth, there is considerable rainfall totaling to 0.51" (13mm). The city averages 14.6 hours of daylight, which are bright and sunny for a majority of the day. With UV index rising to 4, all outdoor enthusiasts should aim to protect their skin, particularly in mid-afternoon hours.Temperature
Aspen's temperature records reveal July as the warmest month, marked by average highs of 69.4°F (20.8°C) and lows of 40.5°F (4.7°C).Humidity
The average relative humidity in July in Aspen is 60%.Rainfall
The months with the most rainfall are March and July, with an average 0.51" (13mm) of precipitation.Snowfall
July and August are months without snowfall in Aspen.Daylight
In Aspen, the average length of the day in July is 14h and 36min.On the first day of July in Aspen, sunrise is at 5:45 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:19 pm MDT.
Sunshine
The average sunshine in July 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 of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 4 in July leads to these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
The 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).
Average pressure in July
Aspen, CO
- Average pressure in July: 30.06"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The months with the lowest atmospheric pressure are April and May (29.95"Hg).
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).
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%).
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").
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).
Average snowfall in July
Aspen, CO
- Average snowfall in July: 0"
The month with the highest snowfall is March (3.98").
The months with the least snowfall are July and August (0").
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).
The months with the least snowfall days are July and August (0.1 days).
Average daylight in July /
Average sunshine in July
Aspen, CO
- Average daylight in July: 14h and 36min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in July: 11h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
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).
Average UV index in July
Aspen, CO
- Average UV index in July: 4
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are February and December (UV index 1).
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).
Average visibility in July
Aspen, CO
- Average visibility in July: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





