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
The decrease of average high-temperatures is mild in December, with a decline from an icy 41.2°F (5.1°C) in November to a freezing cold 27.5°F (-2.5°C). During the nights in December, Mather observes an average low-temperature of 17.4°F (-8.1°C).Humidity
In Mather, Wisconsin, the average relative humidity in December is 86%.Rainfall
In Mather, Wisconsin, during December, the rain falls for 5.4 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Mather, during the entire year, the rain falls for 136.8 days and collects up to 27.36" (695mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Mather, during December, snow falls for 14.2 days and regularly aggregates up to 5.59" (142mm) of snow. In Mather, during the entire year, snow falls for 67.4 days and aggregates up to 25.35" (644mm) of snow.Daylight
December has the shortest days of the year in Mather, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:17 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:32 pm CST.
Sunshine
In December, the average sunshine is 3.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is it in Mather in December?
What is the average humidity in December in Mather?
How much does it rain in Mather in December?
How much does it snow in Mather in December?
What is the month with the shortest days in Mather?
How many hours of daylight does Mather have in December?
When is the sunrise / sunset in December in Mather?
How long on average sun shines in December in Mather?
What are the months with the lowest UV index in Mather?
What is the UV index intensity in December in Mather?
Average temperature in December
Mather, WI
- Average high temperature in December: 27.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in December: 17.4°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 (9°F).
Average pressure in December
Mather, WI
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Mather, WI
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Mather, WI
- Average humidity in December: 86%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Mather, WI
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is June (4.06").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in December
Mather, WI
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Mather, WI
- Average snowfall in December: 5.59"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mather, WI
- Average snowfall days in December: 14.2 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mather, WI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Mather, WI
- Average sunshine days in December: 14.1 days
The months with the most sunshine days are September and November (16.4 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in December
Mather, 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
Mather, WI
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Mather, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Mather, Wisconsin, USA
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