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 arrival of December signals a shift in temperature, down from a chilly 45.5°F (7.5°C) in November to a wintry 34.3°F (1.3°C). In Palatine, December's nights observe an average temperature dip to a subzero cold 24.6°F (-4.1°C).Humidity
The average relative humidity in December is 81%.Rainfall
The month with the least rainfall in Palatine is December, when the rain falls for 4.6 days and typically collects 0.59" (15mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Palatine. In Palatine, Illinois, in December, snow falls for 7.5 days, with typically accumulated 0.98" (25mm) of snow. In Palatine, during the entire year, snow falls for 37.9 days and aggregates up to 6.89" (175mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:01 am and sunset at 4:21 pm. On the last day of December, in Palatine, sunrise is at 7:20 am and sunset at 4:30 pm CST.
Sunshine
In December, the average sunshine in Palatine is 4h.UV index
January 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 low health risk from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Palatine?
What is the average humidity in December in Palatine?
What is the driest month in Palatine?
How much does it rain in Palatine in December?
How many days does it snow in December in Palatine?
What is the month with the shortest days in Palatine?
How many hours of daylight does Palatine have in December?
When is the sunrise / sunset in December in Palatine?
How many hours of sunshine does Palatine have in December?
What is the month with the lowest UV index in Palatine?
How high is the UV index in December in Palatine?
Average temperature in December
Palatine, IL
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in December
Palatine, 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
Palatine, IL
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Palatine, IL
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Palatine, IL
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days in December
Palatine, IL
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Palatine, IL
- Average snowfall in December: 0.98"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Palatine, IL
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Palatine, 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 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Palatine, IL
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in December
Palatine, IL
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Palatine, IL
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in December
Palatine, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Palatine, Illinois, USA
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