Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Galena in December undergoes a mild reduction in the average high-temperature, shifting from November's mild 55.4°F (13°C) to a chilly 45.7°F (7.6°C). Galena in December anticipates an average nighttime temperature of 30.7°F (-0.7°C).Humidity
In Galena, the average relative humidity in December is 75%.Rainfall
In Galena, during December, the rain falls for 7.7 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 151.8 rainfall days, and 35.71" (907mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Galena, in December, during 3.5 snowfall days, 0.75" (19mm) of snow is typically accumulated. In Galena, during the entire year, snow falls for 18.4 days and aggregates up to 7.72" (196mm) 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 7:08 am and sunset at 4:57 pm. On the last day of December, sunrise is at 7:26 am and sunset at 5:07 pm CST.
Sunshine
The average sunshine in December is 5.5h.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Galena. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What is the average December temperature in Galena?
What is the average humidity in December in Galena?
How many days does it rain in December in Galena?
How many days does it snow in December in Galena?
What is the month with the shortest days in Galena?
What is the average length of the day in December in Galena?
When is the sunrise / sunset in December in Galena?
How many hours of sunshine does Galena have in December?
What is the month with the lowest UV index in Galena?
How high is the UV index in December in Galena?
Average temperature in December
Galena, MO
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (42.6°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
Galena, 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
Galena, MO
- Average wind speed in December: 8.7mph
The windiest months (with the highest average wind speed) are February, March and April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in December
Galena, MO
- Average humidity in December: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, July, August and October (73%).
Average rainfall in December
Galena, MO
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is May (5.16").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in December
Galena, MO
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Galena, MO
- Average snowfall in December: 0.75"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Galena, MO
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Galena, MO
- Average daylight in December: 9h and 4min
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 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Galena, 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 July (11.5 days).
Average UV index in December
Galena, 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, November and December (UV index 2).
Average cloud cover in December
Galena, MO
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Galena, 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).
Galena, Missouri, USA
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