December weather forecastArthur, MO
December
Weather in December
December, the first month of the winter in Arthur, is still a chilly month, with an average temperature fluctuating between 29.5°F (-1.4°C) and 43.7°F (6.5°C).Temperature
Arthur observes a minor decrease in the average high-temperature with the arrival of December, falling from November's cool 54.5°F (12.5°C) to a chilly 43.7°F (6.5°C). Arthur experiences an average nighttime temperature of 29.5°F (-1.4°C) in the month of December.Humidity
In December, the average relative humidity is 73%.Rainfall
In Arthur, in December, during 5.5 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Arthur, during the entire year, the rain falls for 130.6 days and collects up to 25.43" (646mm) of precipitation.Snowfall
Months with snowfall are January through March, May, October through December. In Arthur, in December, snow falls for 2 days, with typically accumulated 0.43" (11mm) of snow. Throughout the year, there are 12.2 snowfall days, and 4.29" (109mm) of snow is accumulated.Daylight
With an average of 9h and 36min 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 4:58 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:08 pm CST.
Sunshine
In December, the average sunshine is 5.6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. 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
Arthur, MO
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in December: 29.5°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Arthur, 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 (29.91"Hg).
Average wind speed in December
Arthur, MO
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Arthur, MO
- Average humidity in December: 73%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Arthur, MO
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in December
Arthur, MO
- Average rainfall days in December: 5.5 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 days).
Average snowfall in December
Arthur, MO
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in December
Arthur, MO
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Arthur, MO
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Arthur, MO
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in December
Arthur, 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, November and December (UV index 2).
Average cloud cover in December
Arthur, MO
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Arthur, 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).
