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 transition into December involves a decrease in the average high-temperature, falling from a chilly 44.6°F (7°C) in November to an icy 32.7°F (0.4°C). Genoa reports an average nighttime low-temperature of 22.5°F (-5.3°C) in December.Humidity
In Genoa, the average relative humidity in December is 83%.Rainfall
In December, the rain falls for 5.5 days. Throughout December, 0.59" (15mm) of precipitation is accumulated. Throughout the year, there are 116.8 rainfall days, and 11.69" (297mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Genoa. In Genoa, in December, snow falls for 8.5 days, with typically accumulated 0.59" (15mm) of snow. In Genoa, during the entire year, snow falls for 38.1 days and aggregates up to 4.69" (119mm) of snow.Daylight
The month with the shortest days in Genoa is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:23 pm. On the last day of December, in Genoa, sunrise is at 7:22 am and sunset at 4:33 pm CST.
Sunshine
The average sunshine in December is 3.9h.UV index
The months with the lowest UV index are January 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: During December, 1 as the daily maximum UV index converts into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
How cold is December in Genoa?
What is the average humidity in December in Genoa?
How much does it rain in Genoa in December?
How much does it snow in Genoa in December?
What is the month with the shortest days in Genoa?
How many hours of daylight does Genoa have in December?
When are sunrise and sunset in December in Genoa?
How long on average sun shines in December in Genoa?
When is the lowest UV index in Genoa?
What is the UV index reading in December in Genoa?
Average temperature in December
Genoa, IL
- Average high temperature in December: 32.7°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 22.5°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in December
Genoa, IL
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Genoa, IL
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Genoa, IL
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Genoa, IL
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is June (1.81").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in December
Genoa, IL
- Average rainfall days in December: 5.5 days
The months with the highest number of rainy days are May and June (15.1 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in December
Genoa, IL
- Average snowfall in December: 0.59"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Genoa, IL
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Genoa, IL
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Genoa, IL
- Average sunshine days in December: 19 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in December
Genoa, IL
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Genoa, IL
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in December
Genoa, IL
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Genoa, Illinois, USA
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