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 Homer, entering December brings a temperature decrement, reducing from November's frosty 49.1°F (9.5°C) to a cold 37.6°F (3.1°C). In the month of December, the average temperature in Homer dips to a subzero cold 27.7°F (-2.4°C) during the night.Humidity
The average relative humidity in December is 80%.Rainfall
In Homer, in December, during 7 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Homer, during the entire year, the rain falls for 129.9 days and collects up to 18.15" (461mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Homer, in December, snow falls for 5.9 days, with typically accumulated 1.1" (28mm) of snow. In Homer, during the entire year, snow falls for 27.1 days and aggregates up to 5.91" (150mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Homer.On the first day of December, sunrise is at 6:55 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:36 pm CST.
Sunshine
In December, the average sunshine in Homer is 4.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is it in Homer in December?
What is the average humidity in December in Homer?
How many days does it rain in December in Homer?
How much does it snow in Homer in December?
What is the month with the shortest days in Homer?
What is the average length of the day in December in Homer?
What time are sunrise and sunset in December in Homer?
How long on average sun shines in December in Homer?
What are the months with the lowest UV index in Homer?
What is the UV index intensity in December in Homer?
Average temperature in December
Homer, IL
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Homer, IL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Homer, IL
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Homer, IL
- Average humidity in December: 80%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Homer, IL
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is April (2.24").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in December
Homer, IL
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (6 days).
Average snowfall in December
Homer, IL
- Average snowfall in December: 1.1"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Homer, IL
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Homer, IL
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Homer, IL
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Homer, IL
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Homer, IL
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in December
Homer, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Homer, Illinois, USA
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