December weather forecastPark Valley, UT
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Park Valley, Utah, with temperature in the range of an average high of 30.9°F (-0.6°C) and an average low of 19.8°F (-6.8°C).Temperature
December, on average, is the coldest month, registering a high temperature of 30.9°F (-0.6°C) and a low of 19.8°F (-6.8°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In December, the rain falls for 9.5 days. Throughout December, 1.26" (32mm) of precipitation is accumulated. In Park Valley, during the entire year, the rain falls for 106.9 days and collects up to 11.42" (290mm) of precipitation.Snowfall
Months with snowfall in Park Valley are January through June, September through December. In Park Valley, during December, snow falls for 14.6 days and regularly aggregates up to 7.68" (195mm) of snow. Throughout the year, there are 56.6 snowfall days, and 33.74" (857mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:41 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:12 pm MST.
Sunshine
The average sunshine in December is 5.7h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Park Valley. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Park Valley, UT
- Average high temperature in December: 30.9°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (30.9°F).
- Average low temperature in December: 19.8°F
The month with the highest average low temperature is July (60.1°F).
The coldest months (with the lowest average low temperature) are January and December (19.8°F).
Average pressure in December
Park Valley, UT
- Average pressure in December: 30.24"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Park Valley, UT
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Park Valley, UT
- Average humidity in December: 81%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (32%).
Average rainfall in December
Park Valley, UT
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in December
Park Valley, UT
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in December
Park Valley, UT
- Average snowfall in December: 7.68"
The month with the highest snowfall is January (9.21").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Park Valley, UT
- Average snowfall days in December: 14.6 days
The month with the highest number of snowfall days is December (14.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Park Valley, UT
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 42min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Park Valley, UT
- Average sunshine days in December: 14 days
The month with the most sunshine days is August (23 days).
The month with the least sunshine days is April (13 days).
Average UV index in December
Park Valley, UT
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Park Valley, UT
- Average cloud cover in December: 41
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in December
Park Valley, UT
- Average visibility in December: 5mi
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 (5mi).
