Weather in Keystone in Spring
| March | April | May | ||||
| Average day temperature: | ||||||
| Average day temperature: | 44.0°F | 50.8°F | 62.3°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 31.2°F | 35.7°F | 46.9°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 14 days | 14 days | 13 days | |||
| Day length: | ||||||
| Day length: | 11.2 - 12.7 h. | 12.8 - 14.2 h. | 14.2 - 15.2 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 0 days | 1 day | 2 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 0.5 in. | 0.6 in. | 1.2 in. | |||
| Number of snow days: | ||||||
| Number of snow days: | 1 day | 0 days | 0 days | |||
current
weather
weather
| Keystone |
monthly
weather
weather
| Keystone |
weather in
September
September
| Keystone |
14 days
forecast
forecast
| Keystone |
Day & Night air temperature, °F
Precipitation total, in.
Sunny, partly cloudy and cloudy days
weather in
winter
winter
| Keystone |
weather in
spring
spring
| Keystone |
weather in
summer
summer
| Keystone |
weather in
autumn
autumn
| Keystone |
Wind speed, mph
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Keystone
Keystone on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Keystone
Local time: 03:16
September 19, saturday
0600
55°F
NW
4 mph
4 mph
0900
57°F
NW
2 mph
2 mph
1200
59°F
NW
4 mph
4 mph
1500
61°F
W
7 mph
7 mph
1800
55°F
W
6 mph
6 mph
2100
54°F
W
4 mph
4 mph
September 20, sunday
0000
54°F
W
4 mph
4 mph
0300
54°F
NW
4 mph
4 mph
