December weather forecastValle, AZ

December

Weather in December

December, the first month of the winter in Valle, is also a frosty month, with an average temperature fluctuating between 43°F (6.1°C) and 26.2°F (-3.2°C).

Temperature

Temperature readings reach their annual highs in December, averaging 43°F (6.1°C) and a minimum average of 26.2°F (-3.2°C).

Humidity

In December, the average relative humidity in Valle is 62%.

Rainfall

In Valle, in December, during 3.1 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Valle, Arizona, during the entire year, the rain falls for 46.8 days and collects up to 4.29" (109mm) of precipitation.

Snowfall

Months with snowfall in Valle are January through May, October through December. In Valle, during December, snow falls for 5.3 days and regularly aggregates up to 2.44" (62mm) of snow. Throughout the year, there are 23 snowfall days, and 10.24" (260mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Valle, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 7:20 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:26 pm MST.

Sunshine

In December, the average sunshine is 6.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Valle. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

With its average high temperature of 43°F (6.1°C) and a low of 26.2°F (-3.2°C), December is regarded as the coldest month in Valle.

In Valle, 43°F (6.1°C) is the average high-temperature and 26.2°F (-3.2°C) is the average low-temperature during December.

In Valle, the average relative humidity in December is 62%.

In Valle, during December, the rain falls for 3.1 days and regularly aggregates up to 0.39" (10mm) of precipitation.

In Valle, during December, snow falls for 5.3 days and regularly aggregates up to 2.44" (62mm) of snow.

With an average of 9h and 48min of daylight, December has the shortest days of the year in Valle.

The average day length in December in Valle is 9h and 47min.

In December, on the first day of the month, sunrise is at 7:20 am and sunset at 5:15 pm. On the last day of the month, in Valle, Arizona, sunrise is at 7:38 am and sunset at 5:26 pm MST.

In December, the average sunshine duration in Valle, Arizona, is 6.9h.

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

The average daily maximum UV index in December in Valle is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Valle, AZ

  • Average high temperature in December: 43°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (43°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).

Average pressure in December
Valle, AZ

  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Valle, AZ

  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is January (6.6mph).

Average humidity in December
Valle, AZ

  • Average humidity in December: 62%

The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is June (21%).

Average rainfall in December
Valle, AZ

  • Average rainfall in December: 0.39"

The wettest month (with the highest rainfall) is March (0.51").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in December
Valle, AZ

  • Average rainfall days in December: 3.1 days

The month with the highest number of rainy days is July (6 days).
The month with the least rainy days is June (1.9 days).

Average snowfall in December
Valle, AZ

  • Average snowfall in December: 2.44"

The month with the highest snowfall is January (3.11").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Valle, AZ

  • Average snowfall days in December: 5.3 days

The months with the highest number of snowfall days are February and December (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Valle, AZ

  • Average daylight in December: 9h and 48min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 6h and 54min

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

Average sunshine days in December
Valle, AZ

  • Average sunshine days in December: 23.8 days

The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is February (21.4 days).

Average UV index in December
Valle, AZ

  • 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).

Average cloud cover in December
Valle, AZ

  • Average cloud cover in December: 24

The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).

Average visibility in December
Valle, AZ

  • 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).