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 noticeable downshift in temperatures is seen as November gives way to December, with average highs moving from a wintry 41.9°F (5.5°C) to a subzero cold 27.3°F (-2.6°C). December generally records an average low-temperature of 16.7°F (-8.5°C).Humidity
In December, the average relative humidity is 87%.Rainfall
In December, the rain falls for 5.7 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. In Galesville, during the entire year, the rain falls for 137 days and collects up to 27.01" (686mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Galesville, in December, during 13.5 snowfall days, 4.88" (124mm) of snow is typically accumulated. In Galesville, during the entire year, snow falls for 63.2 days and aggregates up to 23.66" (601mm) of snow.Daylight
December has the shortest days of the year in Galesville, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 4:28 pm. On the last day of December, in Galesville, Wisconsin, sunrise is at 7:40 am and sunset at 4:37 pm CST.
Sunshine
In December, the average sunshine is 3.5h.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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 1 during December translates into the following guidance:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Galesville in December?
What is the average humidity in December in Galesville?
How many days does it rain in December in Galesville?
How many days does it snow in December in Galesville?
What is the month with the shortest days in Galesville?
What is the average length of the day in December in Galesville?
What time are sunrise and sunset in December in Galesville?
How many hours of sunshine does Galesville have in December?
When is the lowest UV index in Galesville?
What is the UV index reading in December in Galesville?
Average temperature in December
Galesville, WI
- Average high temperature in December: 27.3°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (21.4°F).
- Average low temperature in December: 16.7°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in December
Galesville, 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
Galesville, WI
- Average wind speed in December: 8.5mph
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
Galesville, WI
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Galesville, WI
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is June (4.57").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in December
Galesville, WI
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in December
Galesville, WI
- Average snowfall in December: 4.88"
The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Galesville, WI
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Galesville, 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 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Galesville, WI
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in December
Galesville, 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
Galesville, WI
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Galesville, 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).
Galesville, Wisconsin, USA
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