December weather forecastMarysvale, UT
December
Weather in December
December, the first month of the winter in Marysvale, is also a subzero cold month, with an average temperature fluctuating between 14.2°F (-9.9°C) and 31.6°F (-0.2°C).Temperature
January and December are known as Marysvale's coldest months, with an average high-temperature of 31.6°F (-0.2°C).Humidity
In Marysvale, the average relative humidity in December is 77%.Rainfall
In Marysvale, in December, during 6.5 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, there are 100.2 rainfall days, and 16.42" (417mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Marysvale, in December, snow falls for 12.2 days, with typically accumulated 9.53" (242mm) of snow. Throughout the year, there are 62.4 snowfall days, and 53.03" (1347mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:27 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:18 pm MST.
Sunshine
January and December, with an average of 5.7h of sunshine, are months with the least sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Marysvale, UT
- Average high temperature in December: 31.6°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The months with the lowest average high temperature are January and December (31.6°F).
- Average low temperature in December: 14.2°F
The month with the highest average low temperature is July (54.1°F).
The coldest months (with the lowest average low temperature) are January and December (14.2°F).
Average pressure in December
Marysvale, UT
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Marysvale, UT
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is June (8.1mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).
Average humidity in December
Marysvale, UT
- Average humidity in December: 77%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (32%).
Average rainfall in December
Marysvale, UT
- Average rainfall in December: 1.46"
The wettest months (with the highest rainfall) are March and July (2.01").
The driest month (with the least rainfall) is June (0.39").
Average rainfall days in December
Marysvale, UT
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is November (4.6 days).
Average snowfall in December
Marysvale, UT
- Average snowfall in December: 9.53"
The month with the highest snowfall is March (11.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Marysvale, UT
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is February (13 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Marysvale, UT
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in December
Marysvale, UT
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is June (23.8 days).
The month with the least sunshine days is February (13.6 days).
Average UV index in December
Marysvale, UT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Marysvale, UT
- Average cloud cover in December: 40
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is September (Cloud cover 11).
Average visibility in December
Marysvale, 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 month with the lowest visibility is January (4mi).
