December weather forecastWashington Camp, AZ

December

Weather in December

December, the first month of the winter in Washington Camp, is still a mild month, with temperature in the range of an average high of 59.2°F (15.1°C) and an average low of 39.9°F (4.4°C).

Temperature

In Washington Camp, December records the lowest average temperatures, peaking at 59.2°F (15.1°C) and reaching a low of 39.9°F (4.4°C).

Humidity

The average relative humidity in December is 48%.

Rainfall

In Washington Camp, during December, the rain falls for 5.7 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Washington Camp, during the entire year, the rain falls for 87.8 days and collects up to 15.43" (392mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. The month with the most snowfall is December, when snow falls for 0.7 days and typically aggregates up to 1.06" (27mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 5:19 pm. On the last day of December, sunrise is at 7:21 am and sunset at 5:30 pm MST.

Sunshine

December has the least sunshine of the year in Washington Camp, with an average of 6.9h of sunshine.

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 3 in December transforms into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

December, with its average high-temperature of 59.2°F (15.1°C) and an average low-temperature of 39.9°F (4.4°C), holds the record as the coldest month.

In Washington Camp, in December, the average high-temperature is 59.2°F (15.1°C), and the average low-temperature is 39.9°F (4.4°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 84.2°F (29°C).

In December, the average relative humidity is 48%.

In Washington Camp, in December, it is raining for 5.7 days, with typically 0.71" (18mm) of accumulated precipitation.

December is the month with the most snowfall. Snow falls for 0.7 days and accumulates 1.06" (27mm) of snow.

December is the first month it typically snows. Throughout December, in the average 0.7 snowfall days, it receives 1.06" (27mm) of snow.

The month with the shortest days is December, with an average of 10h and 6min of daylight.

In December, the average day length is 10h and 9min.

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:30 pm MST.

December has the least sunshine of the year, with an average of 6.9h of sunshine.

In December, the average sunshine duration is 6.9h.

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

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health risk 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

67.6°F

59.2°F

60.4°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.1mph

7.6mph

7.1mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

26.4

24.4

25.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Washington Camp, AZ

Average high temperature in December: 59.2°F

The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (59.2°F).

Average low temperature in December: 39.9°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).

Average pressure in December
Washington Camp, AZ

Average pressure in December: 30.03"Hg

The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

Average wind speed in December
Washington Camp, AZ

Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is May (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Washington Camp, AZ

Average humidity in December: 48%

The month with the highest relative humidity is August (51%).
The months with the lowest relative humidity are May and June (24%).

Average rainfall in December
Washington Camp, AZ

Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (0.16").

Average rainfall days in December
Washington Camp, AZ

Average rainfall days in December: 5.7 days

The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is May (1.8 days).

Average snowfall in December
Washington Camp, AZ

Average snowfall in December: 1.06"

The month with the highest snowfall is December (1.06").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Washington Camp, AZ

Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Washington Camp, 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: 6h and 54min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

Average sunshine days in December
Washington Camp, AZ

Average sunshine days in December: 24.4 days

The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is July (6.6 days).

Average UV index in December
Washington Camp, AZ

Average UV index in December: 3

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

Average cloud cover in December
Washington Camp, AZ

Average cloud cover in December: 21

The month with the most cloud cover is July (Cloud cover 24).
The month with the least cloud cover is May (Cloud cover 7).

Average visibility in December
Washington Camp, 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).