December weather forecastGalt, MO
December
Weather in December
The first month of the winter, December, is still a cold month in Galt, Missouri, with an average temperature varying between 25.2°F (-3.8°C) and 38.1°F (3.4°C).Temperature
In December, the average high-temperature goes from a cool 50.5°F (10.3°C) in November to an icy 38.1°F (3.4°C). Nighttime temperature experiences an average drop to a subzero cold 25.2°F (-3.8°C) in December.Humidity
The average relative humidity in December is 78%.Rainfall
In Galt, during December, the rain falls for 6 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Galt, during the entire year, the rain falls for 131.5 days and collects up to 26.85" (682mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Galt, in December, snow falls for 4.6 days, with typically accumulated 1.26" (32mm) of snow. Throughout the year, there are 22.4 snowfall days, and 11.18" (284mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:17 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:58 pm CST.
Sunshine
In December, the average sunshine is 5h.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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Galt, MO
- Average high temperature in December: 38.1°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in December
Galt, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Galt, MO
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Galt, MO
- Average humidity in December: 78%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Galt, MO
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in December
Galt, MO
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in December
Galt, MO
- Average snowfall in December: 1.26"
The month with the highest snowfall is January (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Galt, MO
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Galt, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Galt, MO
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in December
Galt, 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
Galt, MO
- Average cloud cover in December: 45
The months with the most cloud cover are January and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Galt, 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).





