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
Marquette Heights experiences a temperature shift at the start of December, with average high-temperatures adjusting from a chilly 48.6°F (9.2°C) in November to an icy 36.9°F (2.7°C). In Marquette Heights, the expected average low-temperature for December is a subzero cold 26.2°F (-3.2°C).Humidity
The average relative humidity in December is 79%.Rainfall
December is the month with the least rainfall. Rain falls for 8.1 days and accumulates 1.54" (39mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Marquette Heights, during December, snow falls for 6.4 days and regularly aggregates up to 1.85" (47mm) of snow. In Marquette Heights, during the entire year, snow falls for 32.9 days and aggregates up to 12.24" (311mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:03 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:41 pm CST.
Sunshine
In Marquette Heights, the average sunshine in December is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Marquette Heights, Illinois. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Marquette Heights in December?
What is the average humidity in December in Marquette Heights?
What is the driest month in Marquette Heights?
How many days does it rain in December in Marquette Heights?
How much does it snow in Marquette Heights in December?
What is the month with the shortest days in Marquette Heights?
What is the average length of the day in December in Marquette Heights?
What time are sunrise and sunset in December in Marquette Heights?
How long on average sun shines in December in Marquette Heights?
What are the months with the lowest UV index in Marquette Heights?
How high is the UV index in December in Marquette Heights?
Average temperature in December
Marquette Heights, IL
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Marquette Heights, IL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Marquette Heights, IL
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Marquette Heights, IL
- Average humidity in December: 79%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Marquette Heights, IL
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days in December
Marquette Heights, IL
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Marquette Heights, IL
- Average snowfall in December: 1.85"
The month with the highest snowfall is January (3.86").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Marquette Heights, IL
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is January (10.6 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
Marquette Heights, 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 18min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Marquette Heights, IL
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is June (10 days).
Average UV index in December
Marquette Heights, IL
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Marquette Heights, IL
- Average cloud cover in December: 53
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 30).
Average visibility in December
Marquette Heights, 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).
Marquette Heights, Illinois, USA
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