South Bend
Indiana, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
South Bend, IN

December, the first month of the winter, in South Bend, is still a cold month, with average temperature varying between 35.2°F (1.8°C) and 26.6°F (-3°C).

Temperature

In December, the average high-temperature decreases, from a chilly 46.4°F (8°C) in November, to a wintry 35.2°F (1.8°C). In South Bend, in December, the average low-temperature is 26.6°F (-3°C).

Humidity

In South Bend, Indiana, the average relative humidity is 83%.

Rainfall

In December, in South Bend, the rain falls for 10.1 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. In South Bend, Indiana, during the entire year, the rain falls for 160.2 days and collects up to 25.31" (643mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in South Bend. In South Bend, in December, snow falls for 13.5 days, with typically accumulated 2.83" (72mm) of snow. In South Bend, during the entire year, snow falls for 61.6 days, and aggregates up to 15.91" (404mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9.2h of daylight.

Sunshine

The average sunshine in December is 3.5h.

UV index

December is the month with the lowest UV index in South Bend, Indiana, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 1 interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in South Bend?

In South Bend, in December, the average high-temperature is 35.2°F (1.8°C), and the average low-temperature is 26.6°F (-3°C).

What is the average humidity in December in South Bend?

In South Bend, the average relative humidity in December is 83%.

How much does it rain in South Bend in December?

In South Bend, in December, it is raining for 10.1 days, with typically 1.46" (37mm) of accumulated precipitation.

How many days does it snow in December in South Bend?

In South Bend, Indiana, in December, during 13.5 snowfall days, 2.83" (72mm) of snow is typically accumulated.

What is the month with the shortest days in South Bend?

December has the shortest days of the year in South Bend, with an average of 9.2h of daylight.

What is the average length of the day in December in South Bend?

The average length of the day in December is 9.2h.

How many hours of sunshine does South Bend have in December?

The average sunshine in December is 3.5h.

When is the lowest UV index in South Bend?

With an average maximum UV index of 1, December is the month with the lowest UV index in South Bend.

What is the UV index reading in December in South Bend?

The average daily maximum UV index in December in South Bend is 1. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV rays.
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 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").
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).
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: 9.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 3.5h

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 3h).

Average UV index in December - South Bend, IN
  • Average UV index in December: 1

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).