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
Plymouth's transition into December involves a shift in temperature, receding from a frosty 44.1°F (6.7°C) in November to a subzero cold 31.1°F (-0.5°C). Plymouth's average low-temperature for the month of December records at a still freezing cold 19°F (-7.2°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In December, the rain falls for 11.1 days. Throughout December, 1.61" (41mm) of precipitation is accumulated. Throughout the year, in Plymouth, there are 120 rainfall days, and 15.43" (392mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In December, it is snowing for 13.4 days. Throughout December, 9.29" (236mm) of snow is accumulated. Throughout the year, there are 61.2 snowfall days, and 42.91" (1090mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Plymouth, Utah.On the first day of the month, sunrise is at 7:37 am and sunset at 4:58 pm. On the last day of December, in Plymouth, sunrise is at 7:56 am and sunset at 5:07 pm MST.
Sunshine
In December, the average sunshine in Plymouth is 5.7h.UV index
In Plymouth, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
How cold is December in Plymouth?
What is the average humidity in December in Plymouth?
How much does it rain in Plymouth in December?
How many days does it snow in December in Plymouth?
What is the month with the shortest days in Plymouth?
What is the average length of the day in December in Plymouth?
When are sunrise and sunset in December in Plymouth?
How long on average sun shines in December in Plymouth?
What is the UV index intensity in December in Plymouth?
Average temperature in December
Plymouth, UT
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in December: 19°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Plymouth, 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
Plymouth, UT
- Average wind speed in December: 4.6mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in December
Plymouth, UT
- Average humidity in December: 82%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (34%).
Average rainfall in December
Plymouth, UT
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is February (2.05").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in December
Plymouth, UT
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is April (15.1 days).
The month with the least rainy days is July (5.5 days).
Average snowfall in December
Plymouth, UT
- Average snowfall in December: 9.29"
The month with the highest snowfall is January (13.03").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Plymouth, UT
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Plymouth, UT
- Average daylight in December: 9h and 1min
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 4min
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 12min).
Average sunshine days in December
Plymouth, UT
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is July (21.6 days).
The month with the least sunshine days is February (10.1 days).
Average UV index in December
Plymouth, 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
Plymouth, UT
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Plymouth, 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).
Plymouth, Utah, USA
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