Climate of Keystone
Keystone has a continental climate. It is warm in the summer and cold in the winter. The average annual temperature for Keystone is 6° degrees and there is about 489 mm of rain in a year. It is dry for 139 days a year with an average humidity of 73% and an UV-index of 2.
Climate averages for the whole year
- Day: the average daily temperature during the day is between -6°C and 19°C
- Night:the average nighttime temperature is between -17°C and 4°C
- Rain: it rains 106 days and there is a total of approximately 489 mm rainfall
- Snow: it snows an average of 144 days per year
- Sun hours: throughout the year there are 3120 sun hours
Maximum temperature: | between -6°C and 19°C |
Warmest month: | 19°C in July |
Coldest month: | -6°C in December |
Night temperature: | between -17°C and 4°C |
Dry days: | 115 days |
Days with rain: | 106 days |
Days with snow: | 144 days |
Total rain sum: | 489 mm |
Hours of sunshine: | 3120 hours |
Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Keystone.
Precipitation graph
This graph shows the average amount of rainfall per month for Keystone.
Climate table of Keystone
In this climate table you can see at a glance what the average weather per month is for Keystone. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Keystone might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | -5 | -5 | -1 | 1 | 8 | 17 | 19 | 18 | 15 | 7 | 0 | -6 |
Night temp. (°C) | -17 | -17 | -13 | -10 | -5 | 2 | 4 | 3 | 1 | -5 | -12 | -17 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 24 | 31 | 46 | 45 | 60 | 34 | 76 | 52 | 37 | 33 | 26 | 25 |
Days with rain | 4 | 4 | 4 | 5 | 12 | 12 | 22 | 18 | 12 | 6 | 3 | 4 |
Days with snow | 15 | 18 | 18 | 20 | 18 | 5 | 1 | 2 | 6 | 12 | 12 | 17 |
Dry days | 12 | 6 | 9 | 5 | 1 | 13 | 8 | 11 | 12 | 13 | 15 | 10 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 5 | 5 | 8 | 9 | 11 | 12 | 11 | 12 | 11 | 7 | 6 | 5 |
Wind force (Bft) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
UV-index | 2 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 2 | 2 | 2 | 1 |
Best time to visit Keystone
The best time to visit Keystone is in July and August. In this period you have a pleasant temperature and little precipitation. The highest average temperature in Keystone is 19°C in July and the lowest is -6°C in December.
Climate of Keystone by month
What is the average climate in a given month for Keystone? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
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