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
As December begins, there is a decrease in the average high-temperature, falling from a moderate 56.5°F (13.6°C) in November to a chilly 47.3°F (8.5°C). During December, Glennonville experiences an average low-temperature of 35.4°F (1.9°C) at night.Humidity
In Glennonville, the average relative humidity in December is 77%.Rainfall
In Glennonville, in December, during 10.9 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Glennonville, during the entire year, the rain falls for 155.2 days and collects up to 39.33" (999mm) of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Glennonville, during December, snow falls for 1.4 days and regularly aggregates up to 0.63" (16mm) of snow. In Glennonville, during the entire year, snow falls for 8.1 days and aggregates up to 4.37" (111mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:54 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:55 pm CST.
Sunshine
In December, the average sunshine is 4.9h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Glennonville, MO
- Average high temperature in December: 47.3°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Glennonville, MO
- Average pressure in December: 30.14"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
Glennonville, MO
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Glennonville, MO
- Average humidity in December: 77%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Glennonville, MO
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is April (4.57").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Glennonville, MO
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (10.2 days).
Average snowfall in December
Glennonville, MO
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Glennonville, MO
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glennonville, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Glennonville, MO
- Average sunshine days in December: 18 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in December
Glennonville, MO
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Glennonville, MO
- Average cloud cover in December: 47
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in December
Glennonville, MO
- 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).
Glennonville, Missouri, USA
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