December weather forecast
Sanford, CO

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Weather in December

December, the first month of the winter in Sanford, is also an icy month, with temperature in the range of an average high of 33.8°F (1°C) and an average low of 15.4°F (-9.2°C).

Temperature

Sanford observes a minor decrease in the average high-temperature with the arrival of December, falling from November's frosty 46.2°F (7.9°C) to a cold 33.8°F (1°C). In Sanford, an average nighttime temperature of 15.4°F (-9.2°C) is expected during December.

Humidity

The average relative humidity in December in Sanford is 72%.

Rainfall

November and December are months with the least rain when the rain falls for 6.1 days and typically aggregates up to 0.39" (10mm) of rain.

Snowfall

Months with snowfall are January through May, September through December. In December, in Sanford, it is snowing for 8.5 days. Throughout December, 3.19" (81mm) of snow is accumulated. In Sanford, during the entire year, snow falls for 44.9 days and aggregates up to 22.6" (574mm) of snow.

Daylight

The month with the shortest days in Sanford is December, with an average of 9h and 36min of daylight.
On the first day of December in Sanford, sunrise is at 6:59 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:56 pm MST.

Sunshine

In December, the average sunshine is 7h.

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 value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
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. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

How cold is December in Sanford?

In Sanford, in December, the average high-temperature is 33.8°F (1°C), and the average low-temperature is 15.4°F (-9.2°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 82.4°F (28°C).

What is the average humidity in December in Sanford?

The average relative humidity in December is 72%.

What is the driest month in Sanford?

The months with the least rainfall in Sanford are November and December Rain falls for 6.1 days and accumulates 0.39" (10mm) of rain.

How many days does it rain in December in Sanford?

In Sanford, during December, the rain falls for 6.1 days and regularly aggregates up to 0.39" (10mm) of precipitation.

How many days does it snow in December in Sanford?

In Sanford, Colorado, during December, snow falls for 8.5 days and regularly aggregates up to 3.19" (81mm) of snow.

What is the month with the shortest days in Sanford?

The month with the shortest days in Sanford, Colorado, is December, with an average of 9h and 36min of daylight.

How many hours of daylight does Sanford have in December?

In December, the average day length is 9h and 39min.

What time are sunrise and sunset in December in Sanford?

On the first day of December in Sanford, sunrise is at 6:59 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:56 pm MST.

How many hours of sunshine does Sanford have in December?

The average sunshine duration in December in Sanford, Colorado, is 7h.

What are the months with the lowest UV index in Sanford?

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

How high is the UV index in December in Sanford?

In December, the average daily maximum UV index in Sanford is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from 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
Sanford, CO

Average temperature in December - Sanford, CO
  • Average high temperature in December: 33.8°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in December: 15.4°F

The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (12°F).

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Average pressure in December
Sanford, CO

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).

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Average wind speed in December
Sanford, CO

Average wind speed in December - Sanford, CO
  • Average wind speed in December: 4.8mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in December
Sanford, CO

Average humidity in December - Sanford, CO
  • Average humidity in December: 72%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (37%).

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Average rainfall in December
Sanford, CO

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

The wettest month (with the highest rainfall) is May (1.02").
The driest months (with the least rainfall) are November and December (0.39").

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Average rainfall days in December
Sanford, CO

Average rainfall days in December - Sanford, CO
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is July (10.1 days).
The month with the least rainy days is November (3 days).

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Average snowfall in December
Sanford, CO

Average snowfall in December - Sanford, CO
  • Average snowfall in December: 3.19"

The month with the highest snowfall is March (3.98").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Sanford, CO

Average snowfall days in December - Sanford, CO
  • Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is February (9.3 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
Sanford, CO

Average daylight in December / Average sunshine in December - Sanford, CO
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 7h and 0min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).

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Average sunshine days in December
Sanford, CO

Average sunshine days in December - Sanford, CO
  • Average sunshine days in December: 21.4 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is April (16.9 days).

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Average UV index in December
Sanford, CO

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in December
Sanford, CO

Average cloud cover in December - Sanford, CO
  • Average cloud cover in December: 22

The month with the most cloud cover is January (Cloud cover 25).
The months with the least cloud cover are June, September, October and November (Cloud cover 12).

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Average visibility in December
Sanford, CO

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

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

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Sanford, Colorado, USA

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