December weather forecast
Erie, CO

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Weather in December

Finally, Erie, Colorado embraces the winter season head-on in December. There is a strong winter chill in the air, coupled with occasionally snowy conditions. Despite displaying the shortest daylight hours of the year, December maintains an average of 6.8 hours of daily sunshine. January hints a slight increase in daily maximum temperatures, signaling the slow march towards the warmer seasons. Consequently, December can be a magical time in Erie, as the festive season meets snow-filled streets.

Temperature

In Erie, the month of December is known for its lowest average temperatures, reaching a high of 40.8°F (4.9°C) and a low of 21°F (-6.1°C).

Humidity

In Erie, the average relative humidity in December is 61%.

Rainfall

The months with the least rainfall in Erie, Colorado, are January and December Rain falls for 3 days and accumulates 0.35" (9mm) of rain.

Snowfall

January through May, October through December are months with snowfall in Erie. In Erie, in December, snow falls for 5.9 days, with typically accumulated 2.83" (72mm) of snow. In Erie, during the entire year, snow falls for 38.2 days and aggregates up to 27.44" (697mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:03 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:45 pm MST.

Sunshine

The average sunshine in December is 6.8h.

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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: In December, a regular UV index of 2 translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

What is the coldest month in Erie?

Erie witnesses the coldest weather in December, with temperatures averaging a high of 40.8°F (4.9°C) and a low of 21°F (-6.1°C).

How cold does it get in Erie in December?

An average high-temperature, in December, in Erie, is 40.8°F (4.9°C) and the average low-temperature is 21°F (-6.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 87.8°F (31°C).

What is the average humidity in December in Erie?

The average relative humidity in December in Erie is 61%.

What is the driest month in Erie?

January and December are months with the least rain in Erie, Colorado, when the rain falls for 3 days and typically aggregates up to 0.35" (9mm) of rain.

How many days does it rain in December in Erie?

In Erie, in December, it is raining for 3 days, with typically 0.35" (9mm) of accumulated precipitation.

How many days does it snow in December in Erie?

In December, in Erie, it is snowing for 5.9 days. Throughout December, 2.83" (72mm) of snow is accumulated.

What is the month with the shortest days in Erie?

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

How many hours of daylight does Erie have in December?

The average day length in December in Erie is 9h and 23min.

When are sunrise and sunset in December in Erie?

On the first day of December, sunrise is at 7:03 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:45 pm MST.

How long on average sun shines in December in Erie?

In December, the average sunshine duration is 6.8h.

When is the lowest UV index in Erie?

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

How high is the UV index in December in Erie?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
52.5°F 11.4°C
40.8°F 4.9°C
42.8°F 6°C
Average low temperature
30.6°F -0.8°C
21°F -6.1°C
22.8°F -5.1°C
Average pressure
30.08" 764mmHg
30.12" 765mmHg
30.14" 766mmHg
Average wind speed
5.9mph 9.5km/h
5.7mph 9.2km/h
6mph 9.7km/h
Average max. wind speed
6.5mph 10.5km/h
6.3mph 10.1km/h
6.6mph 10.6km/h
Average wind speed gusts
10.5mph 16.9km/h
10.2mph 16.4km/h
11mph 17.7km/h
Average humidity
52%
61%
63%
Average rainfall
0.59" 15mm
0.35" 9mm
0.35" 9mm
Average rainfall days
3.5
3
3
Average snowfall
3.9" 99mm
2.83" 72mm
2.72" 69mm
Average snowfall days
4.5
5.9
5.8
Average daylight
10h 0min
9h 2min
9h 4min
Average sunshine
7h 1min
6h 5min
7h 0min
Average sunshine days
22.7
24.5
24.3
Average UV index
2
2
2
Average cloud cover
19%
24%
23%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in December
Erie, CO

Average temperature in December - Erie, CO
  • Average high temperature in December: 40.8°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (40.8°F).

  • Average low temperature in December: 21°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is December (21°F).

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Average pressure in December
Erie, CO

Average pressure in December - Erie, CO
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Erie, CO

Average wind speed in December - Erie, CO
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is December (5.7mph).

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Average humidity in December
Erie, CO

Average humidity in December - Erie, CO
  • Average humidity in December: 61%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in December
Erie, CO

Average rainfall in December - Erie, CO
  • Average rainfall in December: 0.35"

The wettest month (with the highest rainfall) is May (1.69").
The driest months (with the least rainfall) are January and December (0.35").

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Average rainfall days in December
Erie, CO

Average rainfall days in December - Erie, CO
  • Average rainfall days in December: 3 days

The months with the highest number of rainy days are May and July (12.3 days).
The months with the least rainy days are January and December (3 days).

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Average snowfall in December
Erie, CO

Average snowfall in December - Erie, CO
  • Average snowfall in December: 2.83"

The month with the highest snowfall is April (4.45").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Erie, CO

Average snowfall days in December - Erie, CO
  • Average snowfall days in December: 5.9 days

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Erie, 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 5min

The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in December
Erie, CO

Average sunshine days in December - Erie, CO
  • Average sunshine days in December: 24.5 days

The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index in December
Erie, CO

Average UV index in December - Erie, 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).

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Average cloud cover in December
Erie, CO

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

The month with the most cloud cover is April (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 15).

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Average visibility in December
Erie, CO

Average visibility in December - Erie, 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).

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Erie, Colorado, USA

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