December weather forecast
Massadona, CO

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Weather in December

December, the first month of the winter in Massadona, is also a subzero cold month, with temperature in the range of an average high of 31.1°F (-0.5°C) and an average low of 17.8°F (-7.9°C).

Temperature

As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a frosty 44.2°F (6.8°C) to a subzero cold 31.1°F (-0.5°C). In the month of December, Massadona witnesses a consistent average low-temperature of 17.8°F (-7.9°C).

Humidity

In Massadona, the average relative humidity in December is 75%.

Rainfall

In Massadona, in December, during 6.8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, there are 114.4 rainfall days, and 10.16" (258mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Massadona are January through May, October through December. December is the month with the most snowfall. Snow falls for 11 days and accumulates 6.34" (161mm) 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 7:18 am and sunset at 4:49 pm. On the last day of December, in Massadona, sunrise is at 7:37 am and sunset at 4:58 pm MST.

Sunshine

The average sunshine in December is 6.5h.

UV index

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Massadona in December?

An average high-temperature, in December, in Massadona, is 31.1°F (-0.5°C) and the average low-temperature is 17.8°F (-7.9°C).

What is the average humidity in December?

In Massadona, the average relative humidity in December is 75%.

How much does it rain in Massadona in December?

In Massadona, in December, it is raining for 6.8 days, with typically 0.87" (22mm) of accumulated precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 11 days and accumulates 6.34" (161mm) of snow.

How many days does it snow in December?

In December, in Massadona, it is snowing for 11 days. Throughout December, 6.34" (161mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Massadona have in December?

In Massadona, the average day length in December is 9h and 22min.

What time are sunrise and sunset in December in Massadona?

On the first day of December, sunrise is at 7:18 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:58 pm MST.

How many hours of sunshine does Massadona have in December?

The average sunshine duration in December in Massadona is 6.5h.

What is the month with the lowest UV index?

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Massadona, CO

Average temperature in December - Massadona, CO
  • Average high temperature in December: 31.1°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in December: 17.8°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in December
Massadona, CO

Average pressure in December - Massadona, CO
  • Average pressure in December: 30.22"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in December
Massadona, CO

Average wind speed in December - Massadona, CO
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).

Average humidity in December
Massadona, CO

Average humidity in December - Massadona, CO
  • Average humidity in December: 75%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is June (31%).

Average rainfall in December
Massadona, CO

Average rainfall in December - Massadona, CO
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is April (1.18").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in December
Massadona, CO

Average rainfall days in December - Massadona, CO
  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is April (13.3 days).
The month with the least rainy days is November (6.7 days).

Average snowfall in December
Massadona, CO

Average snowfall in December - Massadona, CO
  • Average snowfall in December: 6.34"

The month with the highest snowfall is December (6.34").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Massadona, CO

Average snowfall days in December - Massadona, CO
  • Average snowfall days in December: 11 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Massadona, CO

Average daylight in December / Average sunshine in December - Massadona, 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 3min

The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

Average sunshine days in December
Massadona, CO

Average sunshine days in December - Massadona, CO
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is April (13 days).

Average UV index in December
Massadona, CO

Average UV index in December - Massadona, 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, October, November and December (UV index 2).

Average cloud cover in December
Massadona, CO

Average cloud cover in December - Massadona, CO
  • Average cloud cover in December: 32

The months with the most cloud cover are January and February (Cloud cover 37).
The month with the least cloud cover is September (Cloud cover 12).

Average visibility in December
Massadona, CO

Average visibility in December - Massadona, CO
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Massadona, Colorado, USA

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