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United StatesThe weather in August in Keystone
It's cool to moderate in August in Keystone with an average temperature of 16°C. Temperatures this month range from a low of 15°C to a high of 17°C. At night, you can expect temperatures between 6°C and 9°C.
Looking for sun and warm weather? August isn’t a good month to be in Keystone. The temperatures are too low for a warm stay this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Keystone, Colorado. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 25°C in 2018, Keystone reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 4°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 13°C.
Rainfall amount
In August, there is an average of 44 mm of precipitation, spread over 8 days. The wind speed is around 5 Bft, mostly coming from the West.
Daily weather in August for Keystone
Click on any day in August to get detailed info about the usual weather on that day in Keystone. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Keystone | New York | |
|---|---|---|
| Average temperature | 16°C | 30°C |
| Max. temperature | 17°C | 31°C |
| Min. temperature | 6°C | -5°C |
| Total precipitation | 44 mm | 79 mm |
| Rainy days | 8 days | 13 days |
Start of August
The month of August starts in Keystone with cool temps, averaging around 17°C during the day and nights around 9°C.
Mid August
By mid-August, daytime temps stay steady at around 17°C, with nights around 8°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of August
By the end of August, the average daytime temperature in Keystone is around 16°C, while nighttime temps are about 7°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Keystone for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Keystone, Colorado. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Keystone
Temperature in August in Keystone over the years
Precipitation charts
These charts show the average amount of precipitation in August in Keystone, Colorado. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Keystone
Total precipitation in August in Keystone over the years
Daily UV index in August in Keystone
This chart shows the average daily UV index in August in Keystone, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Keystone
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Average weather in Keystone by month
Click on a month below to see detailed weather info for Keystone. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.