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
Arlington Heights's December weather features a mild decline in high-temperatures, reducing from a cool 50.9°F (10.5°C) in November to an icy 41°F (5°C). Throughout December, an average nighttime temperature of 30.2°F (-1°C) is experienced in Arlington Heights.Humidity
The most humid month in Arlington Heights is December, with an average relative humidity of 81%.Rainfall
In December, in Arlington Heights, the rain falls for 8.8 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. In Arlington Heights, during the entire year, the rain falls for 121.7 days and collects up to 12.4" (315mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Arlington Heights, during December, snow falls for 5.5 days and regularly aggregates up to 0.67" (17mm) of snow. In Arlington Heights, during the entire year, snow falls for 23.7 days and aggregates up to 3.98" (101mm) of snow.Daylight
The month with the shortest days in Arlington Heights is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:38 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:57 am and sunset at 5:25 pm EST.
Sunshine
In Arlington Heights, the average sunshine in December is 4.2h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Arlington Heights in December?
What is the most humid month in Arlington Heights?
What is the average humidity in December in Arlington Heights?
How many days does it rain in December in Arlington Heights?
How much does it snow in Arlington Heights in December?
What is the month with the shortest days in Arlington Heights?
How many hours of daylight does Arlington Heights have in December?
When is the sunrise / sunset in December in Arlington Heights?
How many hours of sunshine does Arlington Heights have in December?
When is the lowest UV index in Arlington Heights?
What is the UV index reading in December in Arlington Heights?
Average temperature in December
Arlington Heights, OH
- Average high temperature in December: 41°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in December
Arlington Heights, OH
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Arlington Heights, OH
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Arlington Heights, OH
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in December
Arlington Heights, OH
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in December
Arlington Heights, OH
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in December
Arlington Heights, OH
- Average snowfall in December: 0.67"
The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Arlington Heights, OH
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is February (6.1 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
Arlington Heights, OH
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Arlington Heights, OH
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (14 days).
Average UV index in December
Arlington Heights, OH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Arlington Heights, OH
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Arlington Heights, OH
- 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).
Arlington Heights, Ohio, USA
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