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's onset brings a slight change in high-temperatures, falling from an icy 42.6°F (5.9°C) in November to a subzero cold 30.6°F (-0.8°C). Rubicon's temperature in December lowers to a consistent average of 20.7°F (-6.3°C) during the nights.Humidity
In Rubicon, the average relative humidity in December is 84%.Rainfall
February and December are months with the least rain in Rubicon when the rain falls for 6.6 days and typically aggregates up to 1.18" (30mm) of rain.Snowfall
Months with snowfall in Rubicon are January through May, October through December. In December, in Rubicon, it is snowing for 13.3 days. Throughout December, 3.31" (84mm) of snow is accumulated. In Rubicon, during the entire year, snow falls for 60.3 days and aggregates up to 17.72" (450mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December in Rubicon, sunrise is at 7:07 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:28 pm CST.
Sunshine
In December, the average sunshine in Rubicon is 3.8h.UV index
The months with the lowest UV index in Rubicon are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is December in Rubicon?
What is the average humidity in December in Rubicon?
What is the driest month in Rubicon?
How much does it rain in Rubicon in December?
How much does it snow in Rubicon in December?
What is the month with the shortest days in Rubicon?
How many hours of daylight does Rubicon have in December?
When are sunrise and sunset in December in Rubicon?
How many hours of sunshine does Rubicon have in December?
What are the months with the lowest UV index in Rubicon?
How high is the UV index in December in Rubicon?
Average temperature in December
Rubicon, WI
- Average high temperature in December: 30.6°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in December: 20.7°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in December
Rubicon, WI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Rubicon, WI
- Average wind speed in December: 9.9mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Rubicon, WI
- Average humidity in December: 84%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Rubicon, WI
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is June (3.11").
The driest months (with the least rainfall) are February and December (1.18").
Average rainfall days in December
Rubicon, WI
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Rubicon, WI
- Average snowfall in December: 3.31"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rubicon, WI
- Average snowfall days in December: 13.3 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rubicon, WI
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Rubicon, WI
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Rubicon, WI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Rubicon, WI
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in December
Rubicon, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Rubicon, Wisconsin, USA
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