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
With December's onset, the weather shows a temperature decrease, transitioning from a cool 52.9°F (11.6°C) in November to a frosty 43.7°F (6.5°C). During the nights in December, an average low-temperature of 31.6°F (-0.2°C) is observed.Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In December, the rain falls for 11.9 days. Throughout December, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 162.5 rainfall days, and 31.65" (804mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Galena, during December, snow falls for 5.7 days and regularly aggregates up to 1.26" (32mm) of snow. Throughout the year, in Galena, Indiana, there are 30 snowfall days, and 8.9" (226mm) of snow is accumulated.Daylight
December has the shortest days of the year in Galena, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:42 am and sunset at 5:23 pm. On the last day of December, in Galena, sunrise is at 8:00 am and sunset at 5:33 pm EST.
Sunshine
The month with the least sunshine in Galena is December, with an average of 4.3h of sunshine.UV index
The months with the lowest UV index in Galena are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 2 in December transforms into this advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
Is it cold in Galena during December?
What are the most humid months in Galena?
What is the average humidity in December in Galena?
How much does it rain in Galena in December?
How much does it snow in Galena in December?
What is the month with the shortest days in Galena?
What is the average length of the day in December in Galena?
When are sunrise and sunset in December in Galena?
What is the month with the least sunshine 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, IN
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in December: 31.6°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 (25.3°F).
Average pressure in December
Galena, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Galena, IN
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Galena, IN
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Galena, IN
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Galena, IN
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is May (19 days).
The months with the least rainy days are January and February (10.3 days).
Average snowfall in December
Galena, IN
- Average snowfall in December: 1.26"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Galena, IN
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Galena, IN
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in December
Galena, IN
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Galena, IN
- Average UV index in December: 2
The months with the highest UV index are May, 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
Galena, IN
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Galena, IN
- Average visibility in December: 5mi
The months with the highest visibility are April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July and December (5mi).
Galena, Indiana, USA
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