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
December's onset brings a reduction in the average high-temperature, from a fresh 52.5°F (11.4°C) in November to a wintry 41.9°F (5.5°C). Bartelso records an average nighttime low of 30°F (-1.1°C) in December.Humidity
In Bartelso, the average relative humidity in December is 77%.Rainfall
In Bartelso, during December, the rain falls for 9.5 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Bartelso, during the entire year, the rain falls for 157.2 days and collects up to 36.18" (919mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 4 days. Throughout December, 1.22" (31mm) of snow is accumulated. Throughout the year, there are 22.4 snowfall days, and 7.83" (199mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 4:37 pm. On the last day of December, in Bartelso, sunrise is at 7:15 am and sunset at 4:47 pm CST.
Sunshine
In December, the average sunshine in Bartelso is 4.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
Is it cold in Bartelso during December?
What is the average humidity in December in Bartelso?
How much does it rain in Bartelso in December?
How much does it snow in Bartelso in December?
What is the month with the shortest days in Bartelso?
How many hours of daylight does Bartelso have in December?
When are sunrise and sunset in December in Bartelso?
How many hours of sunshine does Bartelso have in December?
When is the lowest UV index in Bartelso?
How high is the UV index in December in Bartelso?
Average temperature in December
Bartelso, IL
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Bartelso, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Bartelso, IL
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in December
Bartelso, IL
- Average humidity in December: 77%
The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Bartelso, IL
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Bartelso, IL
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Bartelso, IL
- Average snowfall in December: 1.22"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Bartelso, IL
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is January (7.5 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
Bartelso, IL
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Bartelso, IL
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in December
Bartelso, IL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Bartelso, IL
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Bartelso, 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).
Bartelso, Illinois, USA
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