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
A change in temperatures is noted as November gives way to December, with average highs reducing from a chilly 48.2°F (9°C) to a cold 36.1°F (2.3°C). During December, an average low-temperature of 24.8°F (-4°C) is observed in Gladstone.Humidity
In December, the average relative humidity in Gladstone, Illinois, is 80%.Rainfall
January and December are months with the least rain when the rain falls for 7.7 days and typically aggregates up to 1.46" (37mm) of rain.Snowfall
January through April, October through December are months with snowfall. In Gladstone, in December, snow falls for 6.9 days, with typically accumulated 2.05" (52mm) of snow. In Gladstone, during the entire year, snow falls for 34.6 days and aggregates up to 13.66" (347mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December in Gladstone, sunrise is at 7:09 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:46 pm CST.
Sunshine
In December, the average sunshine in Gladstone is 4.6h.UV index
In Gladstone, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is December in Gladstone?
What is the average humidity in December in Gladstone?
What is the driest month in Gladstone?
How much does it rain in Gladstone in December?
How many days does it snow in December in Gladstone?
What is the month with the shortest days in Gladstone?
What is the average length of the day in December in Gladstone?
When are sunrise and sunset in December in Gladstone?
How many hours of sunshine does Gladstone have in December?
What is the UV index intensity in December in Gladstone?
Average temperature in December
Gladstone, IL
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 24.8°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Gladstone, 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 (29.9"Hg).
Average wind speed in December
Gladstone, IL
- Average wind speed in December: 10mph
The windiest months (with the highest average wind speed) are January and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Gladstone, IL
- Average humidity in December: 80%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Gladstone, IL
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (4.57").
The driest months (with the least rainfall) are January and December (1.46").
Average rainfall days in December
Gladstone, IL
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in December
Gladstone, IL
- Average snowfall in December: 2.05"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Gladstone, IL
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (10.8 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
Gladstone, IL
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Gladstone, IL
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in December
Gladstone, IL
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Gladstone, IL
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in December
Gladstone, 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).
Gladstone, Illinois, USA
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