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
Wales's December weather reaches an average high of 31.3°F (-0.4°C) and an average low of 13.1°F (-10.5°C), making it the coldest month.Humidity
In December, the average relative humidity is 80%.Rainfall
In December, the rain falls for 3.3 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. In Wales, during the entire year, the rain falls for 79.2 days and collects up to 10.31" (262mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Wales. December is the month with the most snowfall. Snow falls for 11.5 days and accumulates 6.46" (164mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:28 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:13 pm MST.
Sunshine
The average sunshine in December is 5.3h.UV index
The months with the lowest UV index are January, February, April, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Wales have in December?
When is the lowest UV index in Wales?
What is the UV index intensity in December?
Average temperature in December
Wales, UT
- Average high temperature in December: 31.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in December: 13.1°F
The month with the highest average low temperature is July (53.2°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in December
Wales, UT
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Wales, UT
- Average wind speed in December: 5mph
The windiest months (with the highest average wind speed) are April and June (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity in December
Wales, UT
- Average humidity in December: 80%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is June (38%).
Average rainfall in December
Wales, UT
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is June (0.39").
Average rainfall days in December
Wales, UT
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is December (3.3 days).
Average snowfall in December
Wales, UT
- Average snowfall in December: 6.46"
The month with the highest snowfall is December (6.46").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Wales, UT
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Wales, UT
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Wales, UT
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is October (23.3 days).
The month with the least sunshine days is July (15.5 days).
Average UV index in December
Wales, UT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, April, October, November and December (UV index 2).
Average cloud cover in December
Wales, UT
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are August and September (Cloud cover 12).
Average visibility in December
Wales, UT
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Wales, Utah, USA
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