December weather forecastRustic, CO
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Rustic, Colorado, with temperature in the range of an average high of 28.6°F (-1.9°C) and an average low of 13.3°F (-10.4°C).Temperature
In Rustic, December is the coldest month, with temperatures averaging a high of 28.6°F (-1.9°C) and a low of 13.3°F (-10.4°C).Humidity
The average relative humidity in December in Rustic is 72%.Rainfall
In Rustic, during December, the rain falls for 6.5 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, in Rustic, there are 122.3 rainfall days, and 18.15" (461mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, August through December. In December, it is snowing for 12.9 days. Throughout December, 5.04" (128mm) of snow is accumulated. Throughout the year, there are 103.4 snowfall days, and 71.97" (1828mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:45 pm MST.
Sunshine
In Rustic, the average sunshine in December is 6.5h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rustic, CO
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (74.3°F).
The month with the lowest average high temperature is December (28.6°F).
- Average low temperature in December: 13.3°F
The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is December (13.3°F).
Average pressure in December
Rustic, CO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Rustic, CO
- Average wind speed in December: 11.7mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Rustic, CO
- Average humidity in December: 72%
The month with the highest relative humidity is February (75%).
The months with the lowest relative humidity are June, August and September (48%).
Average rainfall in December
Rustic, CO
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Rustic, CO
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (4.2 days).
Average snowfall in December
Rustic, CO
- Average snowfall in December: 5.04"
The month with the highest snowfall is April (14.88").
The month with the least snowfall is July (0").
Average snowfall days in December
Rustic, CO
- Average snowfall days in December: 12.9 days
The month with the highest number of snowfall days is March (15.8 days).
The month with the least snowfall days is July (0 days).
Average daylight in December /
Average sunshine in December
Rustic, CO
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in December
Rustic, CO
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (7.2 days).
Average UV index in December
Rustic, CO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Rustic, CO
- Average cloud cover in December: 30
The months with the most cloud cover are February, April and May (Cloud cover 34).
The month with the least cloud cover is September (Cloud cover 19).
Average visibility in December
Rustic, CO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
