December weather forecastParowan, UT
December
Weather in December
The first month of the winter, December, is also an icy month in Parowan, Utah, with an average temperature ranging between max 35.4°F (1.9°C) and min 18.9°F (-7.3°C).Temperature
The coldest period falls in January and December, when the average high-temperature reaches 35.4°F (1.9°C).Humidity
The average relative humidity in December is 73%.Rainfall
In Parowan, in December, during 6 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Parowan, during the entire year, the rain falls for 78.4 days and collects up to 11.61" (295mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 9.8 days and typically aggregates up to 8.19" (208mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:28 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:46 am and sunset at 5:22 pm MST.
Sunshine
December has the least sunshine of the year, with an average of 6.4h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Parowan, UT
- Average high temperature in December: 35.4°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The months with the lowest average high temperature are January and December (35.4°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).
Average pressure in December
Parowan, UT
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Parowan, UT
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is June (8.1mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).
Average humidity in December
Parowan, UT
- Average humidity in December: 73%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is June (27%).
Average rainfall in December
Parowan, UT
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in December
Parowan, UT
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (11.9 days).
The month with the least rainy days is June (2.7 days).
Average snowfall in December
Parowan, UT
- Average snowfall in December: 8.19"
The month with the highest snowfall is December (8.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Parowan, UT
- Average snowfall days in December: 9.8 days
The month with the highest number of snowfall days is December (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Parowan, UT
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 24min
The months with the most sunshine are June and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Parowan, UT
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is July (16 days).
Average UV index in December
Parowan, UT
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Parowan, UT
- Average cloud cover in December: 31
The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility in December
Parowan, UT
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





