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
Hinckley's progression into December includes a drop in the average high-temperature, from a frosty 45.5°F (7.5°C) in November to an icy 34.2°F (1.2°C). An average low-temperature of 23.9°F (-4.5°C) is noted during the nights in December in Hinckley.Humidity
In Hinckley, the average relative humidity in December is 83%.Rainfall
The months with the least rainfall in Hinckley are November and December Rain falls for 8 days and accumulates 1.69" (43mm) of rain.Snowfall
January through April, October through December are months with snowfall in Hinckley. In December, it is snowing for 8.3 days. Throughout December, 2.64" (67mm) of snow is accumulated. In Hinckley, during the entire year, snow falls for 42.1 days and aggregates up to 17.48" (444mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:34 pm CST.
Sunshine
The average sunshine in December is 4.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 1 translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
How cold is it in Hinckley in December?
What is the average humidity in December in Hinckley?
What is the driest month in Hinckley?
How many days does it rain in December in Hinckley?
How many days does it snow in December in Hinckley?
What is the month with the shortest days in Hinckley?
What is the average length of the day in December in Hinckley?
When are sunrise and sunset in December in Hinckley?
How long on average sun shines in December in Hinckley?
What are the months with the lowest UV index in Hinckley?
What is the UV index reading in December in Hinckley?
Average temperature in December
Hinckley, IL
- Average high temperature in December: 34.2°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in December
Hinckley, IL
- Average pressure in December: 30.1"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
Hinckley, IL
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Hinckley, IL
- Average humidity in December: 83%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Hinckley, IL
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are November and December (1.69").
Average rainfall days in December
Hinckley, IL
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is July (19.2 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in December
Hinckley, IL
- Average snowfall in December: 2.64"
The month with the highest snowfall is January (5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Hinckley, IL
- Average snowfall days in December: 8.3 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hinckley, 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: 4h and 1min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Hinckley, IL
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in December
Hinckley, IL
- Average UV index in December: 1
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Hinckley, IL
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in December
Hinckley, IL
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Hinckley, Illinois, USA
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