December weather forecast
Alma, CO

Share
The beauty of the Bristlecone Pines up the hill looking over to Alma and Fairplay, Colorado
The beauty of the Bristlecone Pines up the hill looking over to Alma and Fairplay, Colorado

Weather in December

December, the first month of the winter in Alma, is still a freezing cold month, with an average temperature fluctuating between 1.8°F (-16.8°C) and 22.5°F (-5.3°C).

Temperature

December is the month when Alma experiences its coldest temperatures, averaging a high of 22.5°F (-5.3°C) and a low of 1.8°F (-16.8°C).

Humidity

The average relative humidity in December in Alma is 85%.

Rainfall

In Alma, Colorado, in December, it is raining for 5.1 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, in Alma, there are 113.5 rainfall days, and 22.13" (562mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Alma are January through December. In Alma, in December, during 17.5 snowfall days, 10.98" (279mm) of snow is typically accumulated. Throughout the year, there are 139 snowfall days, and 101.69" (2583mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December in Alma, sunrise is at 7:05 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:51 pm MST.

Sunshine

In December, the average sunshine in Alma is 5.9h.

UV index

In December, the average daily maximum UV index in Alma is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
[Resources]

Frequently asked questions

What part of the year is the coldest in Alma?

Alma's coldest weather arrives in December, when temperatures average a high of 22.5°F (-5.3°C) and a low of 1.8°F (-16.8°C).

How cold is it in Alma in December?

During December, Alma experiences an average high-temperature of 22.5°F (-5.3°C) and a low-temperature of 1.8°F (-16.8°C).

What is the average humidity in December in Alma?

The average relative humidity in December in Alma, Colorado, is 85%.

How much does it rain in Alma in December?

In December, in Alma, Colorado, the rain falls for 5.1 days. Throughout December, 1.34" (34mm) of precipitation is accumulated.

How many days does it snow in December in Alma?

In Alma, in December, during 17.5 snowfall days, 10.98" (279mm) of snow is typically accumulated.

What is the month with the shortest days in Alma?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Alma.

What is the average length of the day in December in Alma?

In Alma, Colorado, the average day length in December is 9h and 28min.

What time are sunrise and sunset in December in Alma?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:41 pm. On the last day of the month, in Alma, Colorado, sunrise is at 7:23 am and sunset at 4:51 pm MST.

How many hours of sunshine does Alma have in December?

The average sunshine duration in December in Alma is 5.9h.

How high is the UV index in December in Alma?

In December, the average daily maximum UV index in Alma, Colorado, is 2. A UV Index reading of 2, and below, represents 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
Alma, CO

Average temperature in December - Alma, CO
  • Average high temperature in December: 22.5°F

The warmest month (with the highest average high temperature) is July (66.2°F).
The month with the lowest average high temperature is December (22.5°F).

  • Average low temperature in December: 1.8°F

The month with the highest average low temperature is July (40.5°F).
The coldest month (with the lowest average low temperature) is January (1.4°F).

[Resources]

Average pressure in December
Alma, CO

Average pressure in December - Alma, CO
  • Average pressure in December: 30.16"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is April (29.94"Hg).

[Resources]

Average wind speed in December
Alma, CO

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

The windiest month (with the highest average wind speed) is June (6.4mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

[Resources]

Average humidity in December
Alma, CO

Average humidity in December - Alma, CO
  • Average humidity in December: 85%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is June (52%).

[Resources]

Average rainfall in December
Alma, CO

Average rainfall in December - Alma, CO
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is November (1.06").

[Resources]

Average rainfall days in December
Alma, CO

Average rainfall days in December - Alma, CO
  • Average rainfall days in December: 5.1 days

The month with the highest number of rainy days is July (23.1 days).
The month with the least rainy days is November (2.8 days).

[Resources]

Average snowfall in December
Alma, CO

Average snowfall in December - Alma, CO
  • Average snowfall in December: 10.98"

The month with the highest snowfall is May (16.26").
The month with the least snowfall is July (0.16").

[Resources]

Average snowfall days in December
Alma, CO

Average snowfall days in December - Alma, CO
  • Average snowfall days in December: 17.5 days

The month with the highest number of snowfall days is April (18.8 days).
The month with the least snowfall days is July (0.5 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Alma, CO
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

[Resources]

Average sunshine days in December
Alma, CO

Average sunshine days in December - Alma, CO
  • Average sunshine days in December: 13.7 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (4.8 days).

[Resources]

Average UV index in December
Alma, CO

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

The months with the highest UV index are July and August (UV index 4).
The month with the lowest UV index is February (UV index 1).

[Resources]

Average cloud cover in December
Alma, CO

Average cloud cover in December - Alma, CO
  • Average cloud cover in December: 43

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 17).

[Resources]

Average visibility in December
Alma, CO

Average visibility in December - Alma, CO
  • Average visibility in December: 4mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).

[Resources]

Alma, Colorado, USA

Weather forecast for your location

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