December weather forecastBlairstown, MO
December
Weather in December
The first month of the winter, December, is also an icy month in Blairstown, Missouri, with an average temperature varying between 41.5°F (5.3°C) and 28.4°F (-2°C).Temperature
As November transitions to December, the average high-temperature falls from a fresh 53.1°F (11.7°C) to an icy 41.5°F (5.3°C). Blairstown's average low-temperature during December nights is observed to be a subzero cold 28.4°F (-2°C).Humidity
The average relative humidity in December is 75%.Rainfall
In December, the rain falls for 5.8 days. Throughout December, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 138.6 rainfall days, and 28.31" (719mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, May, October through December. In Blairstown, in December, during 3.1 snowfall days, 0.98" (25mm) of snow is typically accumulated. In Blairstown, during the entire year, snow falls for 17.3 days and aggregates up to 8.62" (219mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:15 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:05 pm CST.
Sunshine
The average sunshine in December is 5.4h.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 estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. 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
Average temperature in December
Blairstown, MO
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Blairstown, 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 (29.91"Hg).
Average wind speed in December
Blairstown, MO
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in December
Blairstown, MO
- Average humidity in December: 75%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Blairstown, MO
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Blairstown, MO
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in December
Blairstown, MO
- Average snowfall in December: 0.98"
The month with the highest snowfall is February (3.31").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in December
Blairstown, MO
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Blairstown, MO
- Average daylight in December: 9h and 30min
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: 5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Blairstown, MO
- Average sunshine days in December: 22 days
The month with the most sunshine days is December (22 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in December
Blairstown, MO
- 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
Blairstown, MO
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Blairstown, 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).
