December weather forecast
Greer, AZ

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Weather in December

Closing the year, December carries the full force of winter in Greer, with the average low temperature dropping down to 21.7°F (-5.7°C). The increase in snowfall from November's 3.15" (80mm) to December's 10" (254mm) indicates just how seriously winter takes hold. The town's people and visitors alike are prepared for the holiday season amidst the chilly weather and snow-white scenes. Despite the cold, the town's festive spirit remains unabated. True to typical winter fashion, December's weather offers a cold and snowy conclusion to the year.

Temperature

The shift from November to December involves a decrease in the average high-temperature, from a frosty 49.3°F (9.6°C) to a wintry 39°F (3.9°C). In Greer, the average low-temperature during the month of December is a subzero cold 21.7°F (-5.7°C).

Humidity

In Greer, the average relative humidity in December is 67%.

Rainfall

In December, the rain falls for 3.4 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. In Greer, during the entire year, the rain falls for 109 days and collects up to 28.5" (724mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Greer, in December, during 10 snowfall days, 10" (254mm) of snow is typically accumulated. In Greer, during the entire year, snow falls for 50 days and aggregates up to 45.55" (1157mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:23 am and sunset at 5:19 pm MST.

Sunshine

With an average of 6.1h of sunshine, December has the least sunshine of the year.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: In December, an average UV index of 1 transforms into the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

How cold does it get in Greer in December?

December temperatures vary between a high-temperature of 39°F (3.9°C) and a low-temperature of 21.7°F (-5.7°C).

What is the average humidity in December?

In Greer, Arizona, the average relative humidity in December is 67%.

How many days does it rain in December?

In Greer, in December, it is raining for 3.4 days, with typically 1.5" (38mm) of accumulated precipitation.

How much does it snow in Greer in December?

In December, it is snowing for 10 days. Throughout December, 10" (254mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 54min of daylight.

How many hours of daylight does Greer have in December?

The average day length in December is 9h and 56min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:05 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:19 pm MST.

What is the month with the least sunshine?

With an average of 6.1h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December?

In December, the average sunshine duration is 6.1h.

What is the month with the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 1.

How high is the UV index in December?

The average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Greer, AZ

Average temperature in December - Greer, AZ
  • Average high temperature in December: 39°F

The warmest month (with the highest average high temperature) is June (75.2°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 21.7°F

The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in December
Greer, AZ

Average pressure in December - Greer, 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
Greer, AZ

Average wind speed in December - Greer, AZ
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Greer, AZ

Average humidity in December - Greer, AZ
  • Average humidity in December: 67%

The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is June (33%).

Average rainfall in December
Greer, AZ

Average rainfall in December - Greer, AZ
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is July (7.36").
The driest month (with the least rainfall) is October (0.83").

Average rainfall days in December
Greer, AZ

Average rainfall days in December - Greer, AZ
  • Average rainfall days in December: 3.4 days

The month with the highest number of rainy days is July (25.8 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in December
Greer, AZ

Average snowfall in December - Greer, AZ
  • Average snowfall in December: 10"

The month with the highest snowfall is January (10.28").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Greer, AZ

Average snowfall days in December - Greer, AZ
  • Average snowfall days in December: 10 days

The month with the highest number of snowfall days is December (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Greer, 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 1min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

Average sunshine days in December
Greer, AZ

Average sunshine days in December - Greer, AZ
  • Average sunshine days in December: 19.7 days

The month with the most sunshine days is November (24 days).
The month with the least sunshine days is July (3.5 days).

Average UV index in December
Greer, AZ

Average UV index in December - Greer, AZ
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Greer, AZ

Average cloud cover in December - Greer, AZ
  • Average cloud cover in December: 33

The month with the most cloud cover is December (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 13).

Average visibility in December
Greer, AZ

Average visibility in December - Greer, 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).

Greer, Arizona, USA

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