December weather forecastFair Haven, MO
December
Weather in December
The first month of the winter, December, is also a frosty month in Fair Haven, Missouri, with an average temperature varying between 29.5°F (-1.4°C) and 43.7°F (6.5°C).Temperature
The transition into December indicates a reduction in the average high-temperature, down to a chilly 43.7°F (6.5°C) from November's cool 54.5°F (12.5°C). December witnesses an average nighttime temperature of 29.5°F (-1.4°C).Humidity
The average relative humidity in December is 73%.Rainfall
In Fair Haven, in December, during 5.5 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Fair Haven, Missouri, during the entire year, the rain falls for 130.6 days and collects up to 25.43" (646mm) of precipitation.Snowfall
Months with snowfall in Fair Haven are January through March, May, October through December. In Fair Haven, in December, during 2 snowfall days, 0.43" (11mm) of snow is typically accumulated. Throughout the year, in Fair Haven, 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 in Fair Haven.On the first day of the month, sunrise is at 7:14 am and sunset at 4:57 pm. On the last day of December, sunrise is at 7:32 am and sunset at 5:07 pm CST.
Sunshine
The average sunshine in December 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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fair Haven, 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
Fair Haven, 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
Fair Haven, 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
Fair Haven, 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
Fair Haven, 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
Fair Haven, 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
Fair Haven, 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
Fair Haven, 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
Fair Haven, 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
Fair Haven, 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
Fair Haven, 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
Fair Haven, 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
Fair Haven, 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).





