Best Time To Visit Keystone

Best Time To Go To Keystone

Keystone experiences a cold and a temperate climate with an annual average temperature of about 7.2 degree Celsius. While July is the warmest month of the year with an annual average temperature of 20.6 degree Celsius, January is the coldest month of the year with the annual average temperature of -4.8 degree Celsius. 

  • Spring (March - May): Spring starts off cold and as the season progresses there is a gradual rise in the temperature level making it the ideal weather for the flowers to blossom.
  • Summer (June - August): The temperature during this time of the year is warm and the only relief is that Keystone experiences the most amount of rainfall during the summers. 
  • Autumn (September - November): Temperature gradually falls down during the time of the autumn signifying the beginning of winter season. The average minimum and maximum temperature is between -5.9 and 14 degree Celsius.
  • Winter (December - February): Winters in Keystone are dry with little to no rainfall. The temperature below freezing levels is quite common in Keystone during the time of winter.

The peak and the best time to visit Keystone is during late spring and early summer while the temperature is moderate and ideal to visit all the attractions. But to skip the crowd and to have a peaceful holiday, you can visit Keystone during the offseason of autumn. 

Climate in Keystone

Know weather for your travel dates:

16-Jan-2018
oF | oC
Today 16 Jan

-0oC

-8oC

Partly cloudy in the morning.

Wind:1.63 m/s

Humidity:45%

Precipitation:0%

  • Wed 17 Jan
    7oC | -2oC

    Partly cloudy overnight.

  • Thu 18 Jan
    10oC | 4oC

    Partly cloudy throughout the day and windy overnight.

  • Fri 19 Jan
    9oC | -3oC

    Windy in the morning and mostly cloudy throughout the day.

  • Sat 20 Jan
    1oC | -5oC

    Overcast throughout the day.

  • Sun 21 Jan
    2oC | -5oC

    Mostly cloudy until evening.

  • Mon 22 Jan
    4oC | -8oC

    Snow (2–5 cm.) overnight.

Month wise Weather in Keystone

Average Temperature in Keystone by month

  • 40o
  • 30o
  • 20o
  • 10o 0o
Jan

Average temperature: -10oC

Minimum temperature: -18oC

Maximum temperature: -5oC

Feb

Average temperature: -10oC

Minimum temperature: -19oC

Maximum temperature: -1oC

Mar

Average temperature: -2oC

Minimum temperature: -7oC

Maximum temperature: 2oC

Apr

Average temperature: 5oC

Minimum temperature: 0oC

Maximum temperature: 12oC

May

Average temperature: 7oC

Minimum temperature: 1oC

Maximum temperature: 13oC

Jun

Average temperature: 19oC

Minimum temperature: 10oC

Maximum temperature: 28oC

Jul

Average temperature: 20oC

Minimum temperature: 9oC

Maximum temperature: 30oC

Aug

Average temperature: 20oC

Minimum temperature: 9oC

Maximum temperature: 32oC

Sep

Average temperature: 21oC

Minimum temperature: 12oC

Maximum temperature: 30oC

Oct

Average temperature: 9oC

Minimum temperature: 2oC

Maximum temperature: 23oC

Nov

Average temperature: 2oC

Minimum temperature: -2oC

Maximum temperature: 7oC

Dec

Average temperature: -3oC

Minimum temperature: -6oC

Maximum temperature: 1oC

Highest temperature in Keystone is recorded as 32oC in August.

Lowest temperature in Keystone is recorded as -19oC in February.

Average Rain in Keystone by Month (in mm)

  • 80
  • 60
  • 40
  • 20 0
Jan

Average Rain: 28.39 mm

Minimum Rain: 15.48 mm

Maximum Rain: 46.45 mm

Feb

Average Rain: 34.58 mm

Minimum Rain: 18.59 mm

Maximum Rain: 43.34 mm

Mar

Average Rain: 12.88 mm

Minimum Rain: 4.63 mm

Maximum Rain: 24.75 mm

Apr

Average Rain: 36.13 mm

Minimum Rain: 1.52 mm

Maximum Rain: 69.68 mm

May

Average Rain: 9.29 mm

Minimum Rain: 0 mm

Maximum Rain: 18.59 mm

Jun

Average Rain: 26.31 mm

Minimum Rain: 0 mm

Maximum Rain: 77.42 mm

Jul

Average Rain: 13.43 mm

Minimum Rain: 0 mm

Maximum Rain: 29.44 mm

Aug

Average Rain: 78.96 mm

Minimum Rain: 46.45 mm

Maximum Rain: 140.88 mm

Sep

Average Rain: 6.73 mm

Minimum Rain: 0 mm

Maximum Rain: 13.96 mm

Oct

Average Rain: 52.14 mm

Minimum Rain: 0 mm

Maximum Rain: 122.35 mm

Nov

Average Rain: 30.44 mm

Minimum Rain: 1.52 mm

Maximum Rain: 58.83 mm

Dec

Average Rain: 2.58 mm

Minimum Rain: 0 mm

Maximum Rain: 4.63 mm

Maximum rain recorded in Keystone is 140.88 mm in August.

Months with no rains or lowest rains in Keystone is December.

Average Humidity in Keystone by Month (in %)

  • 100
  • 75
  • 50
  • 25 0
Jan

Average Humidity: 82%

Minimum Humidity: 79%

Maximum Humidity: 83%

Feb

Average Humidity: 76%

Minimum Humidity: 75%

Maximum Humidity: 79%

Mar

Average Humidity: 70%

Minimum Humidity: 64%

Maximum Humidity: 80%

Apr

Average Humidity: 76%

Minimum Humidity: 70%

Maximum Humidity: 83%

May

Average Humidity: 56%

Minimum Humidity: 45%

Maximum Humidity: 67%

Jun

Average Humidity: 52%

Minimum Humidity: 49%

Maximum Humidity: 56%

Jul

Average Humidity: 48%

Minimum Humidity: 43%

Maximum Humidity: 55%

Aug

Average Humidity: 55%

Minimum Humidity: 50%

Maximum Humidity: 62%

Sep

Average Humidity: 49%

Minimum Humidity: 43%

Maximum Humidity: 57%

Oct

Average Humidity: 71%

Minimum Humidity: 58%

Maximum Humidity: 88%

Nov

Average Humidity: 74%

Minimum Humidity: 55%

Maximum Humidity: 84%

Dec

Average Humidity: 72%

Minimum Humidity: 70%

Maximum Humidity: 76%

Most humid month in Keystone is January.

Least humid month in Keystone is July.

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