December weather forecastGallatin, MO
December
Weather in December
December, the first month of the winter in Gallatin, is also a wintry month, with an average temperature fluctuating between 38.3°F (3.5°C) and 25.7°F (-3.5°C).Temperature
As Gallatin, Missouri, enters December, the average high-temperature decreases from the a fresh 50.9°F (10.5°C) of November to a wintry 38.3°F (3.5°C). Gallatin sees an average low-temperature of 25.7°F (-3.5°C) during December.Humidity
In December, the average relative humidity is 77%.Rainfall
In Gallatin, during December, the rain falls for 6.1 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Gallatin, during the entire year, the rain falls for 129.6 days and collects up to 26.02" (661mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Gallatin, in December, snow falls for 5.1 days, with typically accumulated 1.42" (36mm) of snow. In Gallatin, during the entire year, snow falls for 25.5 days and aggregates up to 11.61" (295mm) of snow.Daylight
December has the shortest days of the year in Gallatin, Missouri, with an average of 9h and 24min of daylight.On the first day of December in Gallatin, sunrise is at 7:18 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:01 pm CST.
Sunshine
In December, the average sunshine in Gallatin is 5.1h.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 of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gallatin, MO
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Gallatin, 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 (29.89"Hg).
Average wind speed in December
Gallatin, MO
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Gallatin, MO
- Average humidity in December: 77%
The months with the highest relative humidity are May, June and July (80%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in December
Gallatin, MO
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in December
Gallatin, MO
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in December
Gallatin, MO
- Average snowfall in December: 1.42"
The month with the highest snowfall is January (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gallatin, MO
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gallatin, MO
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Gallatin, MO
- Average sunshine days in December: 21.1 days
The month with the most sunshine days is December (21.1 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in December
Gallatin, 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, February, November and December (UV index 2).
Average cloud cover in December
Gallatin, MO
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Gallatin, 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).





