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
A clear decrease in the average high-temperature is observed during December, decreasing from a wintry 39.2°F (4°C) in November to a freezing cold 24.4°F (-4.2°C). Emerald sees an average low-temperature of 13.5°F (-10.3°C) during December.Humidity
In Emerald, the average relative humidity in December is 89%.Rainfall
In Emerald, Wisconsin, during December, the rain falls for 2.7 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Emerald, during the entire year, the rain falls for 99.2 days and collects up to 12.17" (309mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 11.3 days. Throughout December, 1.65" (42mm) of snow is accumulated. Throughout the year, there are 54.1 snowfall days, and 9.92" (252mm) of snow is accumulated.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:28 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:37 pm CST.
Sunshine
The average sunshine in December in Emerald is 3.1h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is it in Emerald in December?
What is the average humidity in December in Emerald?
How many days does it rain in December in Emerald?
How much does it snow in Emerald in December?
What is the month with the shortest days in Emerald?
What is the average length of the day in December in Emerald?
What time are sunrise and sunset in December in Emerald?
How many hours of sunshine does Emerald have in December?
What are the months with the lowest UV index in Emerald?
What is the UV index intensity in December in Emerald?
Average temperature in December
Emerald, WI
- Average high temperature in December: 24.4°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in December: 13.5°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.7°F).
Average pressure in December
Emerald, WI
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Emerald, WI
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Emerald, WI
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Emerald, WI
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is June (2.17").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in December
Emerald, WI
- Average rainfall days in December: 2.7 days
The month with the highest number of rainy days is June (14.8 days).
The month with the least rainy days is February (1 days).
Average snowfall in December
Emerald, WI
- Average snowfall in December: 1.65"
The month with the highest snowfall is February (2.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Emerald, WI
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Emerald, WI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Emerald, WI
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in December
Emerald, WI
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Emerald, WI
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Emerald, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Emerald, Wisconsin, USA
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