Average temperature in Keystone (CO)
The mean minimum and maximum temperatures over the year in Keystone (Colorado), the United States of America.
- The months of July and August have nice average temperatures.
- Cold season / winter is in the months January, February and December.
- On average, the warmest month is July with 22°C.
- On average, the coolest month is December with -2°C.
- The average annual maximum temperature is 9°C.
- The average annual minimum temperature is -5°C.
Forecast for Keystone (CO)
Mon May 06
8°C | -3°C
W 
29 km/h
29 km/h11 mm
broken clouds and snow
Tue May 07
1°C | -4°C
W 25 km/h
25 km/h16 mm
broken clouds and snow
Wed May 08
2°C | -9°C
NW 18 km/h
18 km/h2.3 mm
broken clouds and chance of slight rain
