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
A moderate decline in the average high-temperature is seen during December, decreasing from a fresh 52.9°F (11.6°C) in November to a chilly 43.7°F (6.5°C). Throughout the nights in December, Galena experiences an average low-temperature of 31.6°F (-0.2°C).Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Galena, in December, it is raining for 11.9 days, with typically 2.4" (61mm) of accumulated precipitation. In Galena, during the entire year, the rain falls for 162.5 days and collects up to 31.65" (804mm) of precipitation.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, there are 30 snowfall days, and 8.9" (226mm) of snow is accumulated.Daylight
The month with the shortest days is December, 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, sunrise is at 8:00 am and sunset at 5:33 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 4.3h of sunshine.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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Galena?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
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?
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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