December weather forecast
Yuma, CO

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Weather in December

December, the first month of the winter in Yuma, is also a wintry month, with an average temperature ranging between min 23.9°F (-4.5°C) and max 39.9°F (4.4°C).

Temperature

In Yuma, the month of December registers the lowest temperatures, averaging 39.9°F (4.4°C) at the peak and 23.9°F (-4.5°C) at the lowest.

Humidity

In December, the average relative humidity is 63%.

Rainfall

In Yuma, Colorado, in December, during 3.5 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Yuma, during the entire year, the rain falls for 97.4 days and collects up to 12.52" (318mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Yuma, in December, snow falls for 6.1 days, with typically accumulated 2.36" (60mm) of snow. Throughout the year, there are 34.6 snowfall days, and 14.09" (358mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 6:54 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:35 pm MST.

Sunshine

In December, the average sunshine is 6.5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

December stands out as Yuma's coldest month, with temperatures ranging between an average high of 39.9°F (4.4°C) and a low of 23.9°F (-4.5°C).

How cold is it in December?

The high-temperature, in December, in Yuma, records 39.9°F (4.4°C), while the low-temperature is 23.9°F (-4.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December is 63%.

How much does it rain in December?

In December, the rain falls for 3.5 days. Throughout December, 0.51" (13mm) of precipitation is accumulated.

How much does it snow in December?

In December, it is snowing for 6.1 days. Throughout December, 2.36" (60mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 22min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:54 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:35 pm MST.

How long on average sun shines in December?

The average sunshine duration in December in Yuma is 6.5h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

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

Average temperature in December - Yuma, CO
  • Average high temperature in December: 39.9°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 (39.9°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).

Average pressure in December
Yuma, CO

Average pressure in December - Yuma, CO
  • Average pressure in December: 30.1"Hg

The months with the highest atmospheric pressure are January and December (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

Average wind speed in December
Yuma, CO

Average wind speed in December - Yuma, CO
  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

Average humidity in December
Yuma, CO

Average humidity in December - Yuma, CO
  • Average humidity in December: 63%

The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is September (49%).

Average rainfall in December
Yuma, CO

Average rainfall in December - Yuma, CO
  • Average rainfall in December: 0.51"

The wettest month (with the highest rainfall) is May (1.93").
The driest months (with the least rainfall) are January and November (0.43").

Average rainfall days in December
Yuma, CO

Average rainfall days in December - Yuma, CO
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is December (3.5 days).

Average snowfall in December
Yuma, CO

Average snowfall in December - Yuma, CO
  • Average snowfall in December: 2.36"

The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Yuma, CO

Average snowfall days in December - Yuma, CO
  • Average snowfall days in December: 6.1 days

The month with the highest number of snowfall days is February (7.5 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Yuma, 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 3min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

Average sunshine days in December
Yuma, CO

Average sunshine days in December - Yuma, CO
  • Average sunshine days in December: 23 days

The month with the most sunshine days is December (23 days).
The month with the least sunshine days is July (13.8 days).

Average UV index in December
Yuma, CO

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Yuma, CO

Average cloud cover in December - Yuma, CO
  • Average cloud cover in December: 30

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in December
Yuma, CO

Average visibility in December - Yuma, 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).

Yuma, Colorado, USA

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