Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's onset brings a reduction in the average high-temperature, from a subzero cold 26.4°F (-3.1°C) in November to a still freezing cold 16.7°F (-8.5°C). Nights during December maintain a steady temperature, averaging at a frigid cold 10.8°F (-11.8°C).Humidity
The average relative humidity in December in Wales is 89%.Rainfall
In Wales, in December, it is raining for 1.9 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, there are 86.5 rainfall days, and 14.25" (362mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In December, it is snowing for 11.1 days. Throughout December, 2.48" (63mm) of snow is accumulated. Throughout the year, there are 90 snowfall days, and 20.51" (521mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 3h and 30min of daylight.On the first day of December, sunrise is at 11:55 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 12:30 pm and sunset at 4:00 pm AKST.
Sunshine
In Wales, the average sunshine in December is 1.1h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Wales have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Wales, AK
- Average high temperature in December: 16.7°F
The warmest month (with the highest average high temperature) is August (50°F).
The month with the lowest average high temperature is January (9°F).
- Average low temperature in December: 10.8°F
The month with the highest average low temperature is August (45.3°F).
The coldest months (with the lowest average low temperature) are February and March (1.8°F).
Average pressure in December
Wales, AK
- Average pressure in December: 29.77"Hg
The month with the highest atmospheric pressure is May (29.96"Hg).
The month with the lowest atmospheric pressure is October (29.72"Hg).
Average wind speed in December
Wales, AK
- Average wind speed in December: 17.5mph
The windiest month (with the highest average wind speed) is December (17.5mph).
The calmest month (with the lowest average wind speed) is May (12mph).
Average humidity in December
Wales, AK
- Average humidity in December: 89%
The month with the highest relative humidity is March (93%).
The months with the lowest relative humidity are October and November (79%).
Average rainfall in December
Wales, AK
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Wales, AK
- Average rainfall days in December: 1.9 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (1.3 days).
Average snowfall in December
Wales, AK
- Average snowfall in December: 2.48"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Wales, AK
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is April (13 days).
The month with the least snowfall days is July (0 days).
Average daylight in December /
Average sunshine in December
Wales, AK
- Average daylight in December: 3h and 3min
The month with the longest days is June (Average daylight: 22h and 36min).
The month with the shortest days is December (Average daylight: 3h and 30min).
- Average sunshine in December: 1h and 1min
The month with the most sunshine is August (Average sunshine: 5h and 42min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in December
Wales, AK
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is June (18.4 days).
The month with the least sunshine days is October (11.1 days).
Average UV index in December
Wales, AK
- Average UV index in December: 1
The month with the highest UV index is July (UV index 3).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in December
Wales, AK
- Average cloud cover in December: 76
The month with the most cloud cover is February (Cloud cover 78).
The month with the least cloud cover is June (Cloud cover 52).
Average visibility in December
Wales, AK
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).
Wales, Alaska, USA
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