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
In South Bend, entering December brings a temperature decrement, reducing from November's frosty 46.4°F (8°C) to an icy 35.2°F (1.8°C). December nights cool to an average low-temperature of 26.6°F (-3°C), a marginal decrease from its daytime equivalent.Humidity
In South Bend, the average relative humidity in December is 83%.Rainfall
In South Bend, during December, the rain falls for 10.1 days and regularly aggregates up to 1.46" (37mm) of precipitation. In South Bend, during the entire year, the rain falls for 160.2 days and collects up to 25.31" (643mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 13.5 days. Throughout December, 2.83" (72mm) of snow is accumulated. Throughout the year, in South Bend, there are 61.6 snowfall days, and 15.91" (404mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:53 am and sunset at 5:15 pm. On the last day of December, sunrise is at 8:11 am and sunset at 5:24 pm EST.
Sunshine
In South Bend, the average sunshine in December is 3.5h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 1 in December, converts 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. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
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 South Bend?
How many hours of daylight does South Bend have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December in South Bend?
Average temperature in December
South Bend, IN
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
South Bend, IN
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
South Bend, IN
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
South Bend, IN
- Average humidity in December: 83%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
South Bend, IN
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in December
South Bend, IN
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
South Bend, IN
- Average snowfall in December: 2.83"
The month with the highest snowfall is January (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
South Bend, IN
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
South Bend, IN
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
South Bend, IN
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in December
South Bend, IN
- Average UV index in December: 1
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
South Bend, IN
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
South Bend, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
South Bend, Indiana, USA
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