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
In Rock Springs, the beginning of December is marked by a lowered average high-temperature, shifting from November's wintry 41.7°F (5.4°C) to a freezing cold 28.8°F (-1.8°C). During December, the average low-temperature is a still subzero cold 18.3°F (-7.6°C).Humidity
In Rock Springs, the average relative humidity in December is 86%.Rainfall
In December, in Rock Springs, the rain falls for 4.2 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 117.9 rainfall days, and 21.02" (534mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In December, in Rock Springs, it is snowing for 10.9 days. Throughout December, 2.95" (75mm) of snow is accumulated. Throughout the year, in Rock Springs, there are 54.1 snowfall days, and 17.09" (434mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Rock Springs.On the first day of the month, sunrise is at 7:13 am and sunset at 4:24 pm. On the last day of December, in Rock Springs, sunrise is at 7:32 am and sunset at 4:33 pm CST.
Sunshine
The average sunshine in December 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 in Rock Springs. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 1 during December morphs into the following directions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
How cold is it in Rock Springs in December?
What is the average humidity in December in Rock Springs?
How much does it rain in Rock Springs in December?
How much does it snow in Rock Springs in December?
What is the month with the shortest days in Rock Springs?
What is the average length of the day in December in Rock Springs?
What time are sunrise and sunset in December in Rock Springs?
How long on average sun shines in December in Rock Springs?
What are the months with the lowest UV index in Rock Springs?
What is the UV index intensity in December in Rock Springs?
Average temperature in December
Rock Springs, WI
- Average high temperature in December: 28.8°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 (22.3°F).
- Average low temperature in December: 18.3°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 (9.9°F).
Average pressure in December
Rock Springs, WI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Rock Springs, WI
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Rock Springs, WI
- Average humidity in December: 86%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Rock Springs, WI
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in December
Rock Springs, WI
- Average rainfall days in December: 4.2 days
The months with the highest number of rainy days are May and June (16.1 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in December
Rock Springs, WI
- Average snowfall in December: 2.95"
The month with the highest snowfall is February (4.37").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Rock Springs, WI
- Average snowfall days in December: 10.9 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rock Springs, 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 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 0min).
Average sunshine days in December
Rock Springs, WI
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in December
Rock Springs, WI
- Average UV index in December: 1
The months with the highest UV index are 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
Rock Springs, WI
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July, August and September (Cloud cover 36).
Average visibility in December
Rock Springs, WI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Rock Springs, Wisconsin, USA
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