December weather forecastRileys El Encinar, AZ

December

Weather in December

December, the first month of the winter in Rileys El Encinar, is still a refreshing month, with an average temperature fluctuating between 37.2°F (2.9°C) and 56.1°F (13.4°C).

Temperature

December is the month that records the lowest temperatures, with averages ranging from a high of 56.1°F (13.4°C) to a low of 37.2°F (2.9°C).

Humidity

December is the most humid month, with an average relative humidity of 49%.

Rainfall

In Rileys El Encinar, in December, during 5.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Rileys El Encinar, during the entire year, the rain falls for 82 days and collects up to 11.85" (301mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. December is the month with the most snowfall in Rileys El Encinar. Snow falls for 1.2 days and accumulates 1.3" (33mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h and 6min of daylight.
On the first day of December in Rileys El Encinar, sunrise is at 7:02 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:27 pm MST.

Sunshine

With an average of 7h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 3 in December translates into these instructions:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

December stands out as Rileys El Encinar's coldest month, with temperatures ranging between an average high of 56.1°F (13.4°C) and a low of 37.2°F (2.9°C).

In December, the average high-temperature and low-temperature are 56.1°F (13.4°C) and 37.2°F (2.9°C) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 84.2°F (29°C).

December is the most humid month, with an average relative humidity of 49%.

In Rileys El Encinar, the average relative humidity in December is 49%.

In Rileys El Encinar, during December, the rain falls for 5.1 days and regularly aggregates up to 0.55" (14mm) of precipitation.

The month with the most snowfall is December, when snow falls for 1.2 days and typically aggregates up to 1.3" (33mm) of snow.

In Rileys El Encinar, during December, snow falls for 1.2 days and regularly aggregates up to 1.3" (33mm) of snow.

December has the shortest days of the year, with an average of 10h and 6min of daylight.

In Rileys El Encinar, the average day length in December is 10h and 8min.

In December, on the first day of the month, sunrise is at 7:02 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:27 pm MST.

December has the least sunshine of the year, with an average of 7h of sunshine.

The average sunshine duration in December is 7h.

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

65.3°F

56.1°F

57.2°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.5mph

7mph

6.6mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

25.2

24.4

25.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Rileys El Encinar, AZ

Average high temperature in December: 56.1°F

The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (56.1°F).

Average low temperature in December: 37.2°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

Average pressure in December
Rileys El Encinar, AZ

Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Rileys El Encinar, AZ

Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in December
Rileys El Encinar, AZ

Average humidity in December: 49%

The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is May (22%).

Average rainfall in December
Rileys El Encinar, AZ

Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are April and May (0.08").

Average rainfall days in December
Rileys El Encinar, AZ

Average rainfall days in December: 5.1 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is May (2 days).

Average snowfall in December
Rileys El Encinar, AZ

Average snowfall in December: 1.3"

The month with the highest snowfall is December (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Rileys El Encinar, AZ

Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is December (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Rileys El Encinar, AZ

Average daylight in December: 10h and 6min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

Average sunshine in December: 7h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in December
Rileys El Encinar, AZ

Average sunshine days in December: 24.4 days

The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in December
Rileys El Encinar, AZ

Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Rileys El Encinar, AZ

Average cloud cover in December: 20

The month with the most cloud cover is July (Cloud cover 22).
The month with the least cloud cover is May (Cloud cover 7).

Average visibility in December
Rileys El Encinar, 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).