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 correlates with a reduction in the average high-temperature, down from an icy 38.5°F (3.6°C) in November to a subzero cold 26.8°F (-2.9°C). Nighttime temperature sees a small decrement from daytime highs, dipping to an average of 18°F (-7.8°C) during December.Humidity
In Niagara, the average relative humidity in December is 86%.Rainfall
In Niagara, Wisconsin, during December, the rain falls for 8.6 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Niagara, Wisconsin, during the entire year, the rain falls for 137.4 days and collects up to 22.83" (580mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Niagara, in December, during 16.1 snowfall days, 7.68" (195mm) of snow is typically accumulated. In Niagara, during the entire year, snow falls for 92.1 days and aggregates up to 41.26" (1048mm) of snow.Daylight
December has the shortest days of the year in Niagara, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 4:09 pm. On the last day of December, in Niagara, sunrise is at 7:32 am and sunset at 4:17 pm CST.
Sunshine
In Niagara, the average sunshine in December is 3.4h.UV index
January through March, 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 hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Niagara in December?
What is the average humidity in December in Niagara?
How many days does it rain in December in Niagara?
How much does it snow in Niagara in December?
What is the month with the shortest days in Niagara?
How many hours of daylight does Niagara have in December?
When are sunrise and sunset in December in Niagara?
How long on average sun shines in December in Niagara?
When is the lowest UV index in Niagara?
What is the UV index reading in December in Niagara?
Average temperature in December
Niagara, WI
- Average high temperature in December: 26.8°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (21°F).
- Average low temperature in December: 18°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure in December
Niagara, WI
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Niagara, WI
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Niagara, WI
- Average humidity in December: 86%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Niagara, WI
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is June (2.6").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in December
Niagara, WI
- Average rainfall days in December: 8.6 days
The months with the highest number of rainy days are May, June and July (15.3 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in December
Niagara, WI
- Average snowfall in December: 7.68"
The month with the highest snowfall is February (9.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Niagara, WI
- Average snowfall days in December: 16.1 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Niagara, 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: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in December
Niagara, WI
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in December
Niagara, 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, March, November and December (UV index 1).
Average cloud cover in December
Niagara, WI
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Niagara, WI
- Average visibility in December: 5mi
The months with the highest visibility are May, June, October and November (6mi).
The month with the lowest visibility is February (4mi).
Niagara, Wisconsin, USA
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