December weather forecast
Sanford, CO

Share

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's weather changes with the onset of December, slightly falling from a frosty 46.2°F (7.9°C) in November to an icy 33.8°F (1°C). Sanford, in December, observes a steady average low-temperature of 15.4°F (-9.2°C).

Humidity

The average relative humidity in December 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 Sanford, during December, snow falls for 8.5 days and regularly aggregates up to 3.19" (81mm) of snow. Throughout the year, there are 44.9 snowfall days, and 22.6" (574mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of December, 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 Sanford, the average sunshine in December is 7h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Experience reduced UV exposure by about half when donning a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

How cold is December?

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. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 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?

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

How much does it rain in December?

In Sanford, in December, it is raining for 6.1 days, with typically 0.39" (10mm) of accumulated precipitation.

How many days does it snow in December?

In Sanford, 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?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

How many hours of daylight does Sanford have in December?

The average day length in December is 9h and 39min.

What time are sunrise and sunset in December?

In December, on the first day of the month, 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 is 7h.

What are the months 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 intensity in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Sanford, Colorado, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location