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's arrival corresponds with a decrease in average high-temperatures, from November's icy 41.2°F (5.1°C) to a subzero cold 27.5°F (-2.5°C). Melvina reports a consistent average low-temperature of 16.7°F (-8.5°C) throughout December nights.Humidity
The average relative humidity in December is 87%.Rainfall
In December, the rain falls for 6.3 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. Throughout the year, there are 142.9 rainfall days, and 29.13" (740mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Melvina, during December, snow falls for 14.1 days and regularly aggregates up to 5.39" (137mm) of snow. Throughout the year, there are 67.6 snowfall days, and 26.34" (669mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:17 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:35 pm CST.
Sunshine
In December, the average sunshine is 3.3h.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 exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. 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 December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Melvina have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Melvina, 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: 16.7°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in December
Melvina, WI
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Melvina, WI
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Melvina, WI
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (90%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Melvina, WI
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is June (4.57").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in December
Melvina, WI
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Melvina, WI
- Average snowfall in December: 5.39"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Melvina, WI
- Average snowfall days in December: 14.1 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Melvina, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Melvina, WI
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in December
Melvina, 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
Melvina, WI
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Melvina, 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).
Melvina, Wisconsin, USA
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