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
Arnold observes a minor decrease in the average high-temperature with the arrival of December, falling from November's cold 37.9°F (3.3°C) to a freezing cold 24.1°F (-4.4°C). In December, Arnold experiences a temperature dip to an average of 13.8°F (-10.1°C) at night.Humidity
The average relative humidity in December is 90%.Rainfall
In December, in Arnold, Wisconsin, the rain falls for 4.4 days. Throughout December, 1.61" (41mm) of precipitation is accumulated. In Arnold, during the entire year, the rain falls for 137.4 days and collects up to 26.26" (667mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Arnold, it is snowing for 16.5 days. Throughout December, 6.5" (165mm) of snow is accumulated. Throughout the year, in Arnold, there are 84 snowfall days, and 33.46" (850mm) of snow is accumulated.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December in Arnold, sunrise is at 7:23 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 4:31 pm CST.
Sunshine
In Arnold, the average sunshine in December is 2.9h.UV index
The months with the lowest UV index in Arnold are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Arnold in December?
What is the average humidity in December in Arnold?
How much does it rain in Arnold in December?
How many days does it snow in December in Arnold?
What is the month with the shortest days in Arnold?
How many hours of daylight does Arnold have in December?
When is the sunrise / sunset in December in Arnold?
How long on average sun shines in December in Arnold?
When is the lowest UV index in Arnold?
How high is the UV index in December in Arnold?
Average temperature in December
Arnold, WI
- Average high temperature in December: 24.1°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in December: 13.8°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in December
Arnold, WI
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Arnold, WI
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Arnold, WI
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Arnold, 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 (0.94").
Average rainfall days in December
Arnold, WI
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (3.7 days).
Average snowfall in December
Arnold, WI
- Average snowfall in December: 6.5"
The month with the highest snowfall is February (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Arnold, WI
- Average snowfall days in December: 16.5 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Arnold, WI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).
Average sunshine days in December
Arnold, WI
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in December
Arnold, 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
Arnold, WI
- Average cloud cover in December: 71
The months with the most cloud cover are January and February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Arnold, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Arnold, Wisconsin, USA
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