December weather forecast
Stewartsville, IN

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Weather in December

The first month of the winter, December, is still a chilly month in Stewartsville, Indiana, with an average temperature fluctuating between 31.5°F (-0.3°C) and 43.5°F (6.4°C).

Temperature

The start of December comes with a reduction in the average high-temperature, receding from a cool 53.1°F (11.7°C) in November to a frosty 43.5°F (6.4°C). An average low-temperature of 31.5°F (-0.3°C) is observed during December nights in Stewartsville, Indiana.

Humidity

In Stewartsville, the average relative humidity in December is 78%.

Rainfall

In Stewartsville, in December, during 11 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, in Stewartsville, there are 167.7 rainfall days, and 38.23" (971mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Stewartsville, Indiana. In December, it is snowing for 4.5 days. Throughout December, 1.22" (31mm) of snow is accumulated. In Stewartsville, during the entire year, snow falls for 20.5 days and aggregates up to 6.06" (154mm) of snow.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year in Stewartsville.
On the first day of the month, sunrise is at 6:49 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:07 am and sunset at 4:41 pm CST.

Sunshine

In Stewartsville, the average sunshine in December is 4.6h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Stewartsville in December?

In December, in Stewartsville, the average high-temperature is 43.5°F (6.4°C), and the average low-temperature is 31.5°F (-0.3°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 93.2°F (34°C).

What is the average humidity in December in Stewartsville?

The average relative humidity in December is 78%.

How much does it rain in Stewartsville in December?

In December, the rain falls for 11 days. Throughout December, 3.03" (77mm) of precipitation is accumulated.

How many days does it snow in December in Stewartsville?

In December, in Stewartsville, Indiana, it is snowing for 4.5 days. Throughout December, 1.22" (31mm) of snow is accumulated.

What is the month with the shortest days in Stewartsville?

The month with the shortest days in Stewartsville is December, with an average of 9h and 36min of daylight.

How many hours of daylight does Stewartsville have in December?

The average day length in December in Stewartsville is 9h and 34min.

When is the sunrise / sunset in December in Stewartsville?

In December, on the first day of the month, sunrise is at 6:49 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:41 pm CST.

How many hours of sunshine does Stewartsville have in December?

In December, the average sunshine duration is 4.6h.

What are the months with the lowest UV index in Stewartsville?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Stewartsville.

What is the UV index reading in December in Stewartsville?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Stewartsville, IN

Average temperature in December - Stewartsville, IN
  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in December: 31.5°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in December
Stewartsville, IN

Average pressure in December - Stewartsville, IN
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Stewartsville, IN

Average wind speed in December - Stewartsville, IN
  • Average wind speed in December: 9.4mph

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

Average humidity in December
Stewartsville, IN

Average humidity in December - Stewartsville, IN
  • Average humidity in December: 78%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December
Stewartsville, IN

Average rainfall in December - Stewartsville, IN
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is April (5.2").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Stewartsville, IN

Average rainfall days in December - Stewartsville, IN
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in December
Stewartsville, IN

Average snowfall in December - Stewartsville, IN
  • Average snowfall in December: 1.22"

The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Stewartsville, IN

Average snowfall days in December - Stewartsville, IN
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (6.6 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
Stewartsville, IN

Average daylight in December / Average sunshine in December - Stewartsville, IN
  • Average daylight in December: 9h and 4min

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 36min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in December
Stewartsville, IN

Average sunshine days in December - Stewartsville, IN
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (8.8 days).

Average UV index in December
Stewartsville, IN

Average UV index in December - Stewartsville, 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
Stewartsville, IN

Average cloud cover in December - Stewartsville, IN
  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in December
Stewartsville, IN

Average visibility in December - Stewartsville, IN
  • 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).

Stewartsville, Indiana, USA

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