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 start of December involves a temperature drop, moving from a wintry 36.3°F (2.4°C) in November to a freezing cold 23.2°F (-4.9°C). An average nighttime temperature of 13.3°F (-10.4°C) is noted during the month of December.Humidity
The average relative humidity in December is 90%.Rainfall
In Clam Lake, in December, it is raining for 3.5 days, with typically 1.34" (34mm) of accumulated precipitation. In Clam Lake, during the entire year, the rain falls for 124.9 days and collects up to 21.85" (555mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 21.6 days and typically aggregates up to 9.09" (231mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 7:26 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:27 pm CST.
Sunshine
In December, the average sunshine is 2.4h.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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 1 during December translates into the following directions:
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. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December in Clam Lake?
How many days does it rain in December?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Clam Lake have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Clam Lake have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Clam Lake, WI
- Average high temperature in December: 23.2°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (17.6°F).
- Average low temperature in December: 13.3°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).
Average pressure in December
Clam Lake, WI
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Clam Lake, WI
- Average wind speed in December: 7.9mph
The windiest months (with the highest average wind speed) are April and November (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Clam Lake, WI
- Average humidity in December: 90%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Clam Lake, WI
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in December
Clam Lake, WI
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in December
Clam Lake, WI
- Average snowfall in December: 9.09"
The month with the highest snowfall is December (9.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Clam Lake, WI
- Average snowfall days in December: 21.6 days
The month with the highest number of snowfall days is January (23.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Clam Lake, WI
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in December
Clam Lake, WI
- Average sunshine days in December: 8.9 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is December (8.9 days).
Average UV index in December
Clam Lake, 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
Clam Lake, WI
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Clam Lake, WI
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Clam Lake, Wisconsin, USA
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