December weather forecastTiff City, MO
December
Weather in December
The first month of the winter, December, is also a frosty month in Tiff City, Missouri, with an average temperature varying between 32°F (0°C) and 46.8°F (8.2°C).Temperature
Tiff City, Missouri, experiences a temperature shift at the start of December, with average high-temperatures adjusting from a moderate 56.7°F (13.7°C) in November to a frosty 46.8°F (8.2°C). In Tiff City, December nights cool down to an average of 32°F (0°C).Humidity
In December, the average relative humidity is 74%.Rainfall
In December, the rain falls for 6.8 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. In Tiff City, during the entire year, the rain falls for 140.1 days and collects up to 29.29" (744mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Tiff City, in December, during 2.6 snowfall days, 0.63" (16mm) of snow is typically accumulated. In Tiff City, Missouri, during the entire year, snow falls for 11 days and aggregates up to 3.43" (87mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:12 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:30 am and sunset at 5:12 pm CST.
Sunshine
The average sunshine in December is 5.5h.UV index
The months with the lowest UV index are January 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: A maximum daily UV index of 2 during December morphs into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tiff City, MO
- Average high temperature in December: 46.8°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in December: 32°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in December
Tiff City, 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 (29.92"Hg).
Average wind speed in December
Tiff City, MO
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Tiff City, MO
- Average humidity in December: 74%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Tiff City, MO
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and November (1.54").
Average rainfall days in December
Tiff City, MO
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is December (6.8 days).
Average snowfall in December
Tiff City, MO
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Tiff City, MO
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tiff City, MO
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Tiff City, MO
- Average sunshine days in December: 21.2 days
The month with the most sunshine days is December (21.2 days).
The months with the least sunshine days are May and July (12.9 days).
Average UV index in December
Tiff City, MO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Tiff City, MO
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Tiff City, 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).





