December weather forecast
Sponseller, AZ

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Weather in December

The first month of the winter, December, is still a chilly month in Sponseller, Arizona, with an average temperature varying between 45.7°F (7.6°C) and 27°F (-2.8°C).

Temperature

The yearly lowest temperatures occur in January and December, averaging a high-temperature of 45.7°F (7.6°C).

Humidity

The average relative humidity in December is 61%.

Rainfall

In Sponseller, in December, it is raining for 3.6 days, with typically 0.98" (25mm) of accumulated precipitation. In Sponseller, during the entire year, the rain falls for 71.1 days and collects up to 9.96" (253mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Sponseller. In December, it is snowing for 6.9 days. Throughout December, 5.2" (132mm) of snow is accumulated. In Sponseller, during the entire year, snow falls for 26 days and aggregates up to 20.98" (533mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 7:07 am and sunset at 5:09 pm. On the last day of December, in Sponseller, sunrise is at 7:25 am and sunset at 5:20 pm MST.

Sunshine

With an average of 6.8h of sunshine, December has the least sunshine of the year.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 2 in December transforms into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Jun 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

During January and December, Sponseller experiences its coldest period, with an average high-temperature of 45.7°F (7.6°C).

What are the temperatures in Sponseller in December?

The average high-temperature and low-temperature during December are 45.7°F (7.6°C) and 27°F (-2.8°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 82.4°F (28°C).

What is the average humidity in December?

In December, the average relative humidity is 61%.

How much does it rain in December?

In December, the rain falls for 3.6 days. Throughout December, 0.98" (25mm) of precipitation is accumulated.

How many days does it snow in December?

In Sponseller, during December, snow falls for 6.9 days and regularly aggregates up to 5.2" (132mm) of snow.

What is the month with the shortest days?

With an average of 9h and 54min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In December, the average day length is 9h and 55min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:20 pm MST.

What is the month with the least sunshine?

With an average of 6.8h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December?

The average sunshine duration in December is 6.8h.

When is the lowest UV index?

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

What is the UV index reading in December in Sponseller?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Sponseller, AZ

Average temperature in December - Sponseller, AZ
  • Average high temperature in December: 45.7°F

The warmest month (with the highest average high temperature) is June (83.3°F).
The months with the lowest average high temperature are January and December (45.7°F).

  • Average low temperature in December: 27°F

The month with the highest average low temperature is July (61°F).
The coldest months (with the lowest average low temperature) are January and December (27°F).

Average pressure in December
Sponseller, AZ

Average pressure in December - Sponseller, AZ
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Sponseller, AZ

Average wind speed in December - Sponseller, AZ
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in December
Sponseller, AZ

Average humidity in December - Sponseller, AZ
  • Average humidity in December: 61%

The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is June (26%).

Average rainfall in December
Sponseller, AZ

Average rainfall in December - Sponseller, AZ
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is June (0.16").

Average rainfall days in December
Sponseller, AZ

Average rainfall days in December - Sponseller, AZ
  • Average rainfall days in December: 3.6 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is June (2.8 days).

Average snowfall in December
Sponseller, AZ

Average snowfall in December - Sponseller, AZ
  • Average snowfall in December: 5.2"

The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Sponseller, AZ

Average snowfall days in December - Sponseller, AZ
  • Average snowfall days in December: 6.9 days

The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Sponseller, AZ
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 5min

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

Average sunshine days in December
Sponseller, AZ

Average sunshine days in December - Sponseller, AZ
  • Average sunshine days in December: 22 days

The month with the most sunshine days is October (26 days).
The month with the least sunshine days is July (9.7 days).

Average UV index in December
Sponseller, AZ

Average UV index in December - Sponseller, 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
Sponseller, AZ

Average cloud cover in December - Sponseller, AZ
  • Average cloud cover in December: 23

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 8).

Average visibility in December
Sponseller, AZ

Average visibility in December - Sponseller, 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).

Sponseller, Arizona, USA

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