December weather forecastAvalon, MO
December
Weather in December
The first month of the winter, December, is also a wintry month in Avalon, Missouri, with an average temperature fluctuating between 38.7°F (3.7°C) and 25.7°F (-3.5°C).Temperature
As Avalon enters December, the average high-temperature decreases from the a fresh 50.9°F (10.5°C) of November to a cold 38.7°F (3.7°C). An average nighttime temperature of 25.7°F (-3.5°C) is witnessed in Avalon throughout December.Humidity
The average relative humidity in December in Avalon is 77%.Rainfall
In Avalon, Missouri, during December, the rain falls for 6.5 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 137.4 rainfall days, and 28.82" (732mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Avalon, in December, snow falls for 5 days, with typically accumulated 1.57" (40mm) of snow. Throughout the year, there are 26.1 snowfall days, and 12.13" (308mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December in Avalon, sunrise is at 7:16 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:59 pm CST.
Sunshine
In December, the average sunshine in Avalon, Missouri, is 5.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Avalon, MO
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in December: 25.7°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 (20.5°F).
Average pressure in December
Avalon, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Avalon, MO
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Avalon, MO
- Average humidity in December: 77%
The months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Avalon, MO
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in December
Avalon, MO
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in December
Avalon, MO
- Average snowfall in December: 1.57"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Avalon, MO
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Avalon, MO
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Avalon, MO
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in December
Avalon, MO
- Average UV index in December: 2
The months with the highest UV index are 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
Avalon, MO
- Average cloud cover in December: 45
The months with the most cloud cover are January and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Avalon, 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).
