December weather forecastFair Grove, MO
December
Weather in December
December, the first month of the winter in Fair Grove, is still a chilly month, with an average temperature varying between 30°F (-1.1°C) and 44.4°F (6.9°C).Temperature
December brings a drop in Fair Grove's average high-temperature, falling from a fresh 54.9°F (12.7°C) in November to a frosty 44.4°F (6.9°C). Throughout the month of December, Fair Grove observes an average nighttime temperature of 30°F (-1.1°C).Humidity
In Fair Grove, the average relative humidity in December is 75%.Rainfall
In Fair Grove, during December, the rain falls for 8 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Fair Grove, during the entire year, the rain falls for 157 days and collects up to 34.21" (869mm) of precipitation.Snowfall
Months with snowfall in Fair Grove are January through May, November and December. In Fair Grove, in December, snow falls for 4.1 days, with typically accumulated 0.98" (25mm) of snow. In Fair Grove, during the entire year, snow falls for 20 days and aggregates up to 8.78" (223mm) 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 7:08 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:05 pm CST.
Sunshine
In December, the average sunshine is 5.5h.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 exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fair Grove, MO
- Average high temperature in December: 44.4°F
The warmest month (with the highest average high temperature) is July (88.5°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 (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Fair Grove, 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 (29.93"Hg).
Average wind speed in December
Fair Grove, MO
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in December
Fair Grove, MO
- Average humidity in December: 75%
The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are August and October (72%).
Average rainfall in December
Fair Grove, MO
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in December
Fair Grove, MO
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Fair Grove, MO
- Average snowfall in December: 0.98"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Fair Grove, MO
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fair Grove, MO
- Average daylight in December: 9h and 36min
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 30min
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 12min).
Average sunshine days in December
Fair Grove, MO
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Fair Grove, 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
Fair Grove, MO
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility in December
Fair Grove, 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).





