December weather forecastPalatine, IL
December
Weather in December
December ultimately ushers in winter's rule in Palatine. The temperatures continue their downward trend, only reaching a high of 34.3°F (1.3°C), and a blanket of snow wraps the city with 0.98" (25mm) falling across 7.5 days. The city twinkles under the soft winter sun, with a mere 4 hours of sunshine lighting up the day. This chilly atmosphere encourages warm indoor gatherings and preparation for the holiday season. The city gleaming under the winter sun and snow-covered homes mark the start of a frosty but festive winter.Temperature
The transition into December involves a decrease in the average high-temperature, falling from a frosty 45.5°F (7.5°C) in November to a cold 34.3°F (1.3°C). During the month of December, the temperature generally drops to a low average of 24.6°F (-4.1°C).Humidity
In Palatine, 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 December, during 7.5 snowfall days, 0.98" (25mm) of snow is typically accumulated. In Palatine, during the entire year, snow falls for 37.9 days and aggregates up to 6.89" (175mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.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, sunrise is at 7:20 am and sunset at 4:30 pm CST.
Sunshine
The average sunshine in December 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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 12min
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).
