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 is the month when Prospect Valley experiences its coldest temperatures, averaging a high of 40.1°F (4.5°C) and a low of 21.4°F (-5.9°C).Humidity
In Prospect Valley, the average relative humidity in December is 61%.Rainfall
The month with the least rainfall is December, when the rain falls for 2 days and typically collects 0.16" (4mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Prospect Valley, Colorado. In Prospect Valley, in December, snow falls for 4.3 days, with typically accumulated 0.91" (23mm) of snow. Throughout the year, in Prospect Valley, there are 32 snowfall days, and 15.35" (390mm) of snow is accumulated.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 7:01 am and sunset at 4:32 pm. On the last day of December, in Prospect Valley, sunrise is at 7:19 am and sunset at 4:42 pm MST.
Sunshine
In December, the average sunshine in Prospect Valley is 6.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Prospect Valley. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the coldest month in Prospect Valley?
Is it cold in Prospect Valley during December?
What is the average humidity in December in Prospect Valley?
What is the driest month in Prospect Valley?
How much does it rain in Prospect Valley in December?
How many days does it snow in December in Prospect Valley?
What is the month with the shortest days in Prospect Valley?
How many hours of daylight does Prospect Valley have in December?
When is the sunrise / sunset in December in Prospect Valley?
How long on average sun shines in December in Prospect Valley?
What is the month with the lowest UV index in Prospect Valley?
How high is the UV index in December in Prospect Valley?
Average temperature in December
Prospect Valley, CO
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (40.1°F).
- Average low temperature in December: 21.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in December
Prospect Valley, CO
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Prospect Valley, CO
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest months (with the lowest average wind speed) are September and December (6.5mph).
Average humidity in December
Prospect Valley, CO
- Average humidity in December: 61%
The months with the highest relative humidity are January and February (64%).
The months with the lowest relative humidity are August and September (42%).
Average rainfall in December
Prospect Valley, CO
- Average rainfall in December: 0.16"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is December (0.16").
Average rainfall days in December
Prospect Valley, CO
- Average rainfall days in December: 2 days
The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is January (1.4 days).
Average snowfall in December
Prospect Valley, CO
- Average snowfall in December: 0.91"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Prospect Valley, CO
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Prospect Valley, CO
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 6h and 4min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in December
Prospect Valley, CO
- Average sunshine days in December: 26.4 days
The month with the most sunshine days is December (26.4 days).
The month with the least sunshine days is July (13 days).
Average UV index in December
Prospect Valley, CO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Prospect Valley, CO
- Average cloud cover in December: 24
The month with the most cloud cover is April (Cloud cover 28).
The months with the least cloud cover are June and September (Cloud cover 16).
Average visibility in December
Prospect Valley, 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).
Prospect Valley, Colorado, USA
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