Normal weather for Keystone in July
It's cool to moderate in July in Keystone with an average temperature of 18°C. Temperatures this month range from a low of 16°C to a high of 19°C. At night, you can expect temperatures between 6°C and 10°C.
In July, there is an average of 40 mm of precipitation, spread over 8 days. The wind speed is around 5 Bft, mostly coming from the West.
Keystone in July |
London | ||
|---|---|---|---|
 Average Temperature |
18°C | 23°C | |
 High Temp |
19°C | 27°C | |
| Low Temp |
16°C | 21°C | |
 Total Precipitation |
40 mm | 52 mm | |
| Rainy Days |
8 days | 9 days | |
Start of July
The month of July starts in Keystone with mild temperatures, averaging around 18°C during the day and nights close to 9°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a warm coat, jumper or cardigan, and long trousers.
Mid-July
By mid-July, the average daytime temperature stays the same at 18°C, with nights close to 10°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a warm coat, jumper or cardigan, and long trousers.
End of July
By the end of July, the average daytime temperature in Keystone will be around 18°C, with nights close to 10°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a warm coat, jumper or cardigan, and long trousers.
Discover cheap trips to Keystone 
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is July a good time to visit Keystone?
Want nice weather? Then July is a great time to be in Keystone. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Keystone in July
With 24°C, Keystone hit the highest temperature in the last 10 years in July 2020. The lowest daytime temperature in this month was 7°C in 2015. The extreme night temperatures ranged from a low of 0°C to a high of 15°C.
Check out the climate of Keystone for all months and discover the best travel time
June
Plan your next holiday
Don’t miss the best holiday deals for Keystone and see what our partners have for you.
Daily Temperature in July in Keystone
This chart shows the average daily temperatures, both day and night, for each day in July in Keystone, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in July in Keystone
The chart below shows the average daily precipitation in July for Keystone, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for July, you can expect around 8 days of rain in Keystone.
Daily UV Index in July in Keystone
This chart shows the average daily UV index in July 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.
Temperature in July in Keystone Over the Years
This chart shows the average temperature in July in Keystone, measured in degrees Celsius, over the past years.
Total Precipitation in July in Keystone Over the Years
This chart shows the average precipitation in July in Keystone, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in July for Keystone
Click on a specific day in July for detailed info on the typical weather on that day in Keystone. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in July in Keystone
Have you been to Keystone in July?
Share your weather experience in July in Keystone.
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.
