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 marked by a distinct decrease in the average high-temperature, falling from a cold 41.9°F (5.5°C) in November to a freezing cold 27.5°F (-2.5°C). Throughout the month of December, the average temperature dips to 17.1°F (-8.3°C) at night.Humidity
In December, the average relative humidity in French Island, Wisconsin, is 86%.Rainfall
In French Island, in December, during 5.2 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 129.3 rainfall days, and 26.42" (671mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in French Island. In French Island, in December, snow falls for 9.5 days, with typically accumulated 3.66" (93mm) of snow. In French Island, during the entire year, snow falls for 48.3 days and aggregates up to 20.2" (513mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:19 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:37 pm CST.
Sunshine
In French Island, the average sunshine in December is 3.6h.UV index
The months with the lowest UV index in French Island are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is it in French Island in December?
What is the average humidity in December in French Island?
How many days does it rain in December in French Island?
How many days does it snow in December in French Island?
What is the month with the shortest days in French Island?
How many hours of daylight does French Island have in December?
What time are sunrise and sunset in December in French Island?
How many hours of sunshine does French Island have in December?
When is the lowest UV index in French Island?
What is the UV index intensity in December in French Island?
Average temperature in December
French Island, 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 (21.6°F).
- Average low temperature in December: 17.1°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in December
French Island, WI
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
French Island, WI
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
French Island, WI
- Average humidity in December: 86%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
French Island, WI
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in December
French Island, WI
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in December
French Island, WI
- Average snowfall in December: 3.66"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
French Island, WI
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
French Island, WI
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
French Island, WI
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in December
French Island, 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, February, November and December (UV index 1).
Average cloud cover in December
French Island, WI
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
French Island, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
French Island, Wisconsin, USA
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