December weather forecastDewey, UT
December
Weather in December
The first month of the winter, December, is also an icy month in Dewey, Utah, with temperature in the range of an average high of 34.9°F (1.6°C) and an average low of 19.8°F (-6.8°C).Temperature
Dewey in December experiences a subtle temperature decline, with average high-temperatures reducing from a frosty 47.3°F (8.5°C) in November to a wintry 34.9°F (1.6°C). The average low-temperature, in December, is a freezing cold 19.8°F (-6.8°C).Humidity
In December, the average relative humidity in Dewey is 71%.Rainfall
In Dewey, in December, during 5 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Dewey, during the entire year, the rain falls for 117.7 days and collects up to 15.83" (402mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall in Dewey is December, when snow falls for 4.4 days and typically aggregates up to 2.17" (55mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Dewey.On the first day of December in Dewey, sunrise is at 7:17 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:05 pm MST.
Sunshine
In December, the average sunshine in Dewey is 6.6h.UV index
In December, the average daily maximum UV index in Dewey, Utah, is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. To guard against the harmful effects of the Sun, minimize exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dewey, UT
- Average high temperature in December: 34.9°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 19.8°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
Dewey, UT
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Dewey, UT
- Average wind speed in December: 5.1mph
The windiest months (with the highest average wind speed) are April and June (8mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in December
Dewey, UT
- Average humidity in December: 71%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is June (29%).
Average rainfall in December
Dewey, UT
- Average rainfall in December: 0.59"
The wettest months (with the highest rainfall) are July and August (3.15").
The driest months (with the least rainfall) are January and February (0.51").
Average rainfall days in December
Dewey, UT
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (4 days).
Average snowfall in December
Dewey, UT
- Average snowfall in December: 2.17"
The month with the highest snowfall is December (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Dewey, UT
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dewey, 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: 6h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in December
Dewey, UT
- Average sunshine days in December: 22.6 days
The months with the most sunshine days are January and November (23 days).
The month with the least sunshine days is July (8 days).
Average UV index in December
Dewey, UT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Dewey, UT
- Average cloud cover in December: 29
The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and September (Cloud cover 12).
Average visibility in December
Dewey, 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).
