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
The commencement of December indicates a shift in the average high-temperature, receding from November's fresh 55°F (12.8°C) to a chilly 44.8°F (7.1°C). Arcola's temperature in December lowers to a consistent average of 30°F (-1.1°C) during the nights.Humidity
In Arcola, the average relative humidity in December is 74%.Rainfall
The month with the least rainfall is December, when the rain falls for 6.8 days and typically collects 1.54" (39mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Arcola, Missouri, in December, snow falls for 3 days, with typically accumulated 0.83" (21mm) of snow. In Arcola, during the entire year, snow falls for 16.1 days and aggregates up to 6.97" (177mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:12 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:07 pm CST.
Sunshine
In Arcola, the average sunshine in December is 5.5h.UV index
The months with the lowest UV index in Arcola are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
What is the driest month?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Arcola have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Arcola, MO
- Average high temperature in December: 44.8°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in December
Arcola, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Arcola, MO
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Arcola, MO
- Average humidity in December: 74%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Arcola, MO
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (5.51").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days in December
Arcola, MO
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and December (6.8 days).
Average snowfall in December
Arcola, MO
- Average snowfall in December: 0.83"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Arcola, MO
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is February (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Arcola, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Arcola, MO
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Arcola, MO
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Arcola, MO
- Average cloud cover in December: 41
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are June and August (Cloud cover 26).
Average visibility in December
Arcola, 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).
Arcola, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location