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
December is Greenville's coldest month, registering average high temperatures of 33.8°F (1°C) and lows of 16.9°F (-8.4°C).Humidity
In Greenville, the average relative humidity in December is 75%.Rainfall
In Greenville, in December, during 7.3 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, in Greenville, there are 99.6 rainfall days, and 15.98" (406mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall in Greenville, Utah, is December, when snow falls for 11.5 days and typically aggregates up to 9.49" (241mm) 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 7:29 am and sunset at 5:10 pm. On the last day of December, in Greenville, sunrise is at 7:47 am and sunset at 5:20 pm MST.
Sunshine
In Greenville, the average sunshine in December is 6.1h.UV index
The months with the lowest UV index in Greenville, Utah, are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Greenville?
How cold is December in Greenville?
What is the average humidity in December in Greenville?
How many days does it rain in December in Greenville?
When does it snow the most in Greenville?
How much does it snow in Greenville in December?
What is the month with the shortest days in Greenville?
What is the average length of the day in December in Greenville?
When is the sunrise / sunset in December in Greenville?
How long on average sun shines in December in Greenville?
When is the lowest UV index in Greenville?
What is the UV index reading in December in Greenville?
Average temperature in December
Greenville, UT
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (33.8°F).
- Average low temperature in December: 16.9°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (16.9°F).
Average pressure in December
Greenville, 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 (29.85"Hg).
Average wind speed in December
Greenville, UT
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is June (8.5mph).
The calmest month (with the lowest average wind speed) is January (5.6mph).
Average humidity in December
Greenville, UT
- Average humidity in December: 75%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is June (29%).
Average rainfall in December
Greenville, UT
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is June (0.43").
Average rainfall days in December
Greenville, UT
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is November (4.5 days).
Average snowfall in December
Greenville, UT
- Average snowfall in December: 9.49"
The month with the highest snowfall is December (9.49").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Greenville, UT
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Greenville, UT
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in December
Greenville, UT
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is June (23.4 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Greenville, UT
- Average UV index in December: 2
The month with the highest UV index is 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
Greenville, UT
- Average cloud cover in December: 36
The month with the most cloud cover is December (Cloud cover 36).
The months with the least cloud cover are June, August and September (Cloud cover 10).
Average visibility in December
Greenville, 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).
Greenville, Utah, USA
Weather forecast for your location
2. Allow the app to use your location