December weather forecast
Stoneham, CO

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Weather in December

The first month of the winter, December, is still a cold month in Stoneham, Colorado, with temperature in the range of an average high of 37.8°F (3.2°C) and an average low of 23°F (-5°C).

Temperature

In Stoneham, the lowest average temperatures are observed in December, with a high of 37.8°F (3.2°C) and a low of 23°F (-5°C).

Humidity

The average relative humidity in December in Stoneham is 64%.

Rainfall

In Stoneham, in December, during 4.6 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 123.2 rainfall days, and 15.39" (391mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Stoneham, in December, snow falls for 6.4 days, with typically accumulated 1.38" (35mm) of snow. Throughout the year, there are 34.4 snowfall days, and 12.13" (308mm) 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 the month, sunrise is at 6:59 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:37 pm MST.

Sunshine

In December, the average sunshine is 6.5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

Stoneham's coldest month, December, generally records average temperatures ranging from a high of 37.8°F (3.2°C) to a low of 23°F (-5°C).

How cold does it get in December?

Stoneham in December has an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 23°F (-5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 64%.

How many days does it rain in December?

In December, the rain falls for 4.6 days. Throughout December, 0.39" (10mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 6.4 days. Throughout December, 1.38" (35mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

How many hours of daylight does Stoneham have in December?

In December, the average day length is 9h and 20min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:37 pm MST.

How many hours of sunshine does Stoneham have in December?

In December, the average sunshine duration is 6.5h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Stoneham, CO

Average temperature in December - Stoneham, CO
  • Average high temperature in December: 37.8°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (37.8°F).

  • Average low temperature in December: 23°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (23°F).

Average pressure in December
Stoneham, CO

Average pressure in December - Stoneham, CO
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in December
Stoneham, CO

Average wind speed in December - Stoneham, CO
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9mph).

Average humidity in December
Stoneham, CO

Average humidity in December - Stoneham, CO
  • Average humidity in December: 64%

The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is September (47%).

Average rainfall in December
Stoneham, CO

Average rainfall in December - Stoneham, CO
  • Average rainfall in December: 0.39"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in December
Stoneham, CO

Average rainfall days in December - Stoneham, CO
  • Average rainfall days in December: 4.6 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in December
Stoneham, CO

Average snowfall in December - Stoneham, CO
  • Average snowfall in December: 1.38"

The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Stoneham, CO

Average snowfall days in December - Stoneham, CO
  • Average snowfall days in December: 6.4 days

The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The months with the most sunshine are June and August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

Average sunshine days in December
Stoneham, CO

Average sunshine days in December - Stoneham, CO
  • Average sunshine days in December: 21.9 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in December
Stoneham, CO

Average UV index in December - Stoneham, 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
Stoneham, CO

Average cloud cover in December - Stoneham, CO
  • Average cloud cover in December: 29

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in December
Stoneham, CO

Average visibility in December - Stoneham, 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).

Stoneham, Colorado, USA

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