December weather forecast and climate
Bellvue, CO

Weather in December

December, the first month of the winter, in Bellvue, is still a cold month, with temperature in the range of an average high of 36.1°F (2.3°C) and an average low of 18.7°F (-7.4°C).

Temperature

The coldest month is December, with an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 18.7°F (-7.4°C).

Humidity

The average relative humidity in Bellvue is 65%.

Rainfall

In December, in Bellvue, the rain falls for 1.5 days. Throughout December, 0.16" (4mm) of precipitation is accumulated. In Bellvue, during the entire year, the rain falls for 73.4 days and collects up to 7.64" (194mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Bellvue, during December, snow falls for 3.2 days and regularly aggregates up to 1.3" (33mm) of snow. Throughout the year, in Bellvue, there are 21.2 snowfall days, and 15.98" (406mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9.3h of daylight.

Sunshine

The average sunshine is 6.9h.

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 unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Bellvue?

The coldest month in Bellvue is December, with an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 18.7°F (-7.4°C).

What is the temperature in December in Bellvue?

In Bellvue, Colorado, in December, the average high-temperature is 36.1°F (2.3°C), and the average low-temperature is 18.7°F (-7.4°C).

What is the average humidity in December in Bellvue?

In Bellvue, Colorado, the average relative humidity in December is 65%.

How many days does it rain in December in Bellvue?

In Bellvue, Colorado, during December, the rain falls for 1.5 days and regularly aggregates up to 0.16" (4mm) of precipitation.

How many days does it snow in December in Bellvue?

In Bellvue, Colorado, in December, snow falls for 3.2 days, with typically accumulated 1.3" (33mm) of snow.

What is the month with the shortest days in Bellvue?

With an average of 9.3h of daylight, December has the shortest days of the year in Bellvue.

How many hours of daylight does Bellvue have in December?

In December, the average length of the day in Bellvue, Colorado, is 9.3h.

How long on average sun shines in December in Bellvue?

In December, the average sunshine in Bellvue is 6.9h.

When is the lowest UV index in Bellvue?

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

What is the UV index intensity in December in Bellvue?

The average daily maximum UV index in December in Bellvue, Colorado, is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the UV radiation.

Average temperature in December
Bellvue, CO

Average temperature in December - Bellvue, 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).

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Average pressure in December
Bellvue, CO

Average pressure in December - Bellvue, CO
  • Average pressure in December: 30.13"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in December
Bellvue, CO

Average wind speed in December - Bellvue, 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).

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Average humidity in December
Bellvue, CO

Average humidity in December - Bellvue, CO
  • Average humidity in December: 65%

The month with the highest relative humidity is February (67%).
Months with the lowest relative humidity are June, August and September (45%).

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Average rainfall in December
Bellvue, CO

Average rainfall in December - Bellvue, 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").

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Average rainfall days in December
Bellvue, CO

Average rainfall days in December - Bellvue, 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).

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Average snowfall in December
Bellvue, CO

Average snowfall in December - Bellvue, CO
  • Average snowfall in December: 1.3"

The month with the highest snowfall is April (3.27").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Bellvue, CO

Average snowfall days in December - Bellvue, CO
  • Average snowfall days in December: 3.2 days

The month with the highest number of snowfall days is February (4.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Bellvue, CO
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 6.9h

The month with the most sunshine is June (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 6.7h).

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Average sunshine days in December
Bellvue, CO

Average sunshine days in December - Bellvue, CO
  • Average sunshine days in December: 27.5 days

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).

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Average UV index in December
Bellvue, CO

Average UV index in December - Bellvue, CO
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Bellvue, CO

Average cloud cover in December - Bellvue, CO
  • Average cloud cover in December: 24

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).

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Average visibility in December
Bellvue, CO

Average visibility in December - Bellvue, CO
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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