Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December brings the lowest temperatures, with an average high of 21.2°F (-6°C) and an average low of 0.7°F (-17.4°C).Humidity
The average relative humidity in December in Blue River is 85%.Rainfall
In Blue River, during December, the rain falls for 4.5 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, in Blue River, there are 110.4 rainfall days, and 24.09" (612mm) of precipitation is accumulated.Snowfall
January through December are months with snowfall in Blue River, Colorado. In December, in Blue River, Colorado, it is snowing for 17.6 days. Throughout December, 10.83" (275mm) of snow is accumulated. In Blue River, during the entire year, snow falls for 158 days and aggregates up to 118.82" (3018mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:05 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:50 pm MST.
Sunshine
In Blue River, the average sunshine in December is 5.5h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index in Blue River. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What time of the year is the coldest in Blue River?
How cold is December in Blue River?
What is the average humidity in December in Blue River?
How many days does it rain in December in Blue River?
How much does it snow in Blue River in December?
What is the month with the shortest days in Blue River?
How many hours of daylight does Blue River have in December?
What time are sunrise and sunset in December in Blue River?
How many hours of sunshine does Blue River have in December?
What is the month with the lowest UV index in Blue River?
How high is the UV index in December in Blue River?
Average temperature in December
Blue River, CO
- Average high temperature in December: 21.2°F
The warmest month (with the highest average high temperature) is July (65.8°F).
The month with the lowest average high temperature is December (21.2°F).
- Average low temperature in December: 0.7°F
The month with the highest average low temperature is July (40.1°F).
The coldest months (with the lowest average low temperature) are January and December (0.7°F).
Average pressure in December
Blue River, CO
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are April and May (29.94"Hg).
Average wind speed in December
Blue River, CO
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Blue River, CO
- Average humidity in December: 85%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is June (54%).
Average rainfall in December
Blue River, CO
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in December
Blue River, CO
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (2.8 days).
Average snowfall in December
Blue River, CO
- Average snowfall in December: 10.83"
The month with the highest snowfall is May (19.69").
The month with the least snowfall is July (0.24").
Average snowfall days in December
Blue River, CO
- Average snowfall days in December: 17.6 days
The month with the highest number of snowfall days is April (22.8 days).
The month with the least snowfall days is July (1.3 days).
Average daylight in December /
Average sunshine in December
Blue River, CO
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Blue River, CO
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in December
Blue River, CO
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Blue River, CO
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 19).
Average visibility in December
Blue River, CO
- Average visibility in December: 4mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Blue River, Colorado, USA
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