December weather forecast
Vincennes, IN

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Weather in December

The first month of the winter, December, is still a cold month in Vincennes, Indiana, with an average temperature ranging between min 30.9°F (-0.6°C) and max 42.1°F (5.6°C).

Temperature

Start of December brings a shift in the average high-temperature, falling from November's fresh 52.2°F (11.2°C) to an icy 42.1°F (5.6°C). Throughout the nights in December, Vincennes experiences an average low-temperature of 30.9°F (-0.6°C).

Humidity

In December, the average relative humidity is 79%.

Rainfall

In Vincennes, in December, during 4.9 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Vincennes, during the entire year, the rain falls for 89 days and collects up to 7.6" (193mm) of precipitation.

Snowfall

Months with snowfall in Vincennes are January through March, November and December. In December, it is snowing for 2.3 days. Throughout December, 0.12" (3mm) of snow is accumulated. In Vincennes, during the entire year, snow falls for 13.3 days and aggregates up to 0.91" (23mm) of snow.

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 7:49 am and sunset at 5:29 pm. On the last day of December, sunrise is at 8:07 am and sunset at 5:38 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 4.5h of sunshine.

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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

Is it cold in Vincennes during December?

The average high-temperature and low-temperature in Vincennes during December are 42.1°F (5.6°C) and 30.9°F (-0.6°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is evaluated at 91.4°F (33°C).

What is the average humidity in December in Vincennes?

In December, the average relative humidity in Vincennes is 79%.

How much does it rain in Vincennes in December?

In December, in Vincennes, the rain falls for 4.9 days. Throughout December, 0.67" (17mm) of precipitation is accumulated.

How much does it snow in Vincennes in December?

In Vincennes, Indiana, in December, snow falls for 2.3 days, with typically accumulated 0.12" (3mm) of snow.

What is the month with the shortest days in Vincennes?

December has the shortest days of the year in Vincennes, Indiana, with an average of 9h and 30min of daylight.

How many hours of daylight does Vincennes have in December?

The average day length in December in Vincennes is 9h and 31min.

When is the sunrise / sunset in December in Vincennes?

On the first day of December in Vincennes, Indiana, sunrise is at 7:49 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 5:38 pm EST.

What is the month with the least sunshine in Vincennes?

December has the least sunshine of the year, with an average of 4.5h of sunshine.

How long on average sun shines in December in Vincennes?

The average sunshine duration in December is 4.5h.

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

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

What is the UV index reading in December in Vincennes?

In Vincennes, Indiana, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from 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
Vincennes, IN

Average temperature in December - Vincennes, IN
  • Average high temperature in December: 42.1°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

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Average pressure in December
Vincennes, IN

Average pressure in December - Vincennes, IN
  • Average pressure in December: 30.13"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).

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Average wind speed in December
Vincennes, IN

Average wind speed in December - Vincennes, IN
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in December
Vincennes, IN

Average humidity in December - Vincennes, IN
  • Average humidity in December: 79%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Vincennes, IN

Average rainfall in December - Vincennes, IN
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is April (0.91").
The driest month (with the least rainfall) is September (0.28").

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Average rainfall days in December
Vincennes, IN

Average rainfall days in December - Vincennes, IN
  • Average rainfall days in December: 4.9 days

The month with the highest number of rainy days is May (10.8 days).
The month with the least rainy days is December (4.9 days).

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Average snowfall in December
Vincennes, IN

Average snowfall in December - Vincennes, IN
  • Average snowfall in December: 0.12"

The month with the highest snowfall is March (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Vincennes, IN

Average snowfall days in December - Vincennes, IN
  • Average snowfall days in December: 2.3 days

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Vincennes, IN

Average daylight in December / Average sunshine in December - Vincennes, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).

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Average sunshine days in December
Vincennes, IN

Average sunshine days in December - Vincennes, IN
  • Average sunshine days in December: 23.5 days

The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is May (16.9 days).

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Average UV index in December
Vincennes, IN

Average UV index in December - Vincennes, IN
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Vincennes, IN

Average cloud cover in December - Vincennes, IN
  • Average cloud cover in December: 52

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 28).

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Average visibility in December
Vincennes, IN

Average visibility in December - Vincennes, 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).

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Vincennes, Indiana, USA

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