December weather forecastOtterville, MO
December
Weather in December
December, the first month of the winter in Otterville, is also an icy month, with an average temperature ranging between max 41.5°F (5.3°C) and min 28.6°F (-1.9°C).Temperature
During the transition into December, Otterville observes a decrease in the average high-temperature, falling from a fresh 52.7°F (11.5°C) in November to an icy 41.5°F (5.3°C). Otterville records an average low-temperature of 28.6°F (-1.9°C) throughout the month of December.Humidity
The average relative humidity in December is 76%.Rainfall
In Otterville, in December, it is raining for 5.5 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 121.3 rainfall days, and 15.83" (402mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Otterville, during December, snow falls for 4 days and regularly aggregates up to 0.83" (21mm) of snow. In Otterville, during the entire year, snow falls for 21.4 days and aggregates up to 4.02" (102mm) 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 7:11 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:00 pm CST.
Sunshine
In December, the average sunshine is 5.1h.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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Otterville, MO
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in December
Otterville, 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
Otterville, MO
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are January, February and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in December
Otterville, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Otterville, MO
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Otterville, MO
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (5.5 days).
Average snowfall in December
Otterville, MO
- Average snowfall in December: 0.83"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Otterville, MO
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Otterville, 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 6min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in December
Otterville, MO
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is December (21.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in December
Otterville, 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
Otterville, MO
- Average cloud cover in December: 44
The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility in December
Otterville, 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).





