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 average high-temperature decreases in December, shifting from an icy 37.9°F (3.3°C) in November to a subzero cold 24.1°F (-4.4°C). Hannibal experiences an average low-temperature of 13.8°F (-10.1°C) in month of December.Humidity
In December, the average relative humidity in Hannibal, Wisconsin, is 90%.Rainfall
In Hannibal, during December, the rain falls for 4.4 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, in Hannibal, Wisconsin, there are 137.4 rainfall days, and 26.26" (667mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Hannibal. In Hannibal, during December, snow falls for 16.5 days and regularly aggregates up to 6.5" (165mm) of snow. Throughout the year, 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 in Hannibal.On the first day of December, sunrise is at 7:22 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:30 pm CST.
Sunshine
In December, the average sunshine is 2.9h.UV index
The months with the lowest UV index in Hannibal are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Hannibal in December?
What is the average humidity in December in Hannibal?
How many days does it rain in December in Hannibal?
How many days does it snow in December in Hannibal?
What is the month with the shortest days in Hannibal?
What is the average length of the day in December in Hannibal?
When are sunrise and sunset in December in Hannibal?
How long on average sun shines in December in Hannibal?
What is the month with the lowest UV index in Hannibal?
What is the UV index intensity in December in Hannibal?
Average temperature in December
Hannibal, 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
Hannibal, 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
Hannibal, 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
Hannibal, 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
Hannibal, 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
Hannibal, 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
Hannibal, 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
Hannibal, 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
Hannibal, 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
Hannibal, 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
Hannibal, 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
Hannibal, 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
Hannibal, 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).
Hannibal, Wisconsin, USA
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