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
With its high average temperature of 36.1°F (2.3°C) and a low of 18.7°F (-7.4°C), December is regarded as the coldest month.Humidity
The average relative humidity in December is 65%.Rainfall
In Masonville, in December, during 1.5 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. In Masonville, during the entire year, the rain falls for 73.4 days and collects up to 7.64" (194mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Masonville, in December, during 3.2 snowfall days, 1.3" (33mm) of snow is typically accumulated. Throughout the year, in Masonville, Colorado, there are 21.2 snowfall days, and 15.98" (406mm) of snow is accumulated.Daylight
The month with the shortest days in Masonville is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:44 pm MST.
Sunshine
In December, the average sunshine is 6.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What are the coldest months in Masonville?
How cold is December in Masonville?
What is the average humidity in December in Masonville?
How much does it rain in Masonville in December?
How much does it snow in Masonville in December?
What is the month with the shortest days in Masonville?
What is the average length of the day in December in Masonville?
What time are sunrise and sunset in December in Masonville?
How many hours of sunshine does Masonville have in December?
When is the lowest UV index in Masonville?
What is the UV index intensity in December in Masonville?
Average temperature in December
Masonville, CO
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (36.1°F).
- Average low temperature in December: 18.7°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).
Average pressure in December
Masonville, CO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Masonville, CO
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Masonville, CO
- Average humidity in December: 65%
The month with the highest relative humidity is February (67%).
The months with the lowest relative humidity are June, August and September (45%).
Average rainfall in December
Masonville, CO
- Average rainfall in December: 0.16"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is January (0.12").
Average rainfall days in December
Masonville, CO
- Average rainfall days in December: 1.5 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is January (1.2 days).
Average snowfall in December
Masonville, CO
- Average snowfall in December: 1.3"
The month with the highest snowfall is April (3.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Masonville, CO
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Masonville, 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 18min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in December
Masonville, CO
- Average sunshine days in December: 27.5 days
The months with the most sunshine days are January and December (27.5 days).
The month with the least sunshine days is July (14.9 days).
Average UV index in December
Masonville, CO
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Masonville, CO
- Average cloud cover in December: 24
The months with the most cloud cover are February, April and May (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in December
Masonville, 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).
Masonville, Colorado, USA
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