December weather forecast
Evansville, IL

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Weather in December

The first month of the winter, December, is also a frosty month in Evansville, Illinois, with an average temperature ranging between min 31.1°F (-0.5°C) and max 43.5°F (6.4°C).

Temperature

As December begins, there is a decrease in the average high-temperature, falling from a cool 53.8°F (12.1°C) in November to a frosty 43.5°F (6.4°C). Evansville reports a consistent average low-temperature of 31.1°F (-0.5°C) throughout December nights.

Humidity

In Evansville, the average relative humidity in December is 76%.

Rainfall

In Evansville, in December, it is raining for 7.6 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 138.9 rainfall days, and 26.81" (681mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Evansville, in December, during 2.8 snowfall days, 1.18" (30mm) of snow is typically accumulated. Throughout the year, there are 16.7 snowfall days, and 6.38" (162mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:57 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:50 pm CST.

Sunshine

In Evansville, the average sunshine in December is 5h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 2 during December leads to these advisories:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

How cold does it get in December?

The high-temperature, in December, in Evansville, is 43.5°F (6.4°C), while the low-temperature averages to 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 96.8°F (36°C).

What is the average humidity in December?

In Evansville, the average relative humidity in December is 76%.

How much does it rain in December?

In December, the rain falls for 7.6 days. Throughout December, 1.81" (46mm) of precipitation is accumulated.

How many days does it snow in December?

In Evansville, in December, snow falls for 2.8 days, with typically accumulated 1.18" (30mm) of snow.

What is the month with the shortest days?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In December, the average day length is 9h and 34min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:57 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:50 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In Evansville, Illinois, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Evansville, IL

Average temperature in December - Evansville, IL
  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in December
Evansville, IL

Average pressure in December - Evansville, IL
  • 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 (29.93"Hg).

Average wind speed in December
Evansville, IL

Average wind speed in December - Evansville, IL
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in December
Evansville, IL

Average humidity in December - Evansville, IL
  • Average humidity in December: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Evansville, IL

Average rainfall in December - Evansville, IL
  • Average rainfall in December: 1.81"

The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is February (1.42").

Average rainfall days in December
Evansville, IL

Average rainfall days in December - Evansville, IL
  • Average rainfall days in December: 7.6 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in December
Evansville, IL

Average snowfall in December - Evansville, IL
  • Average snowfall in December: 1.18"

The month with the highest snowfall is January (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Evansville, IL

Average snowfall days in December - Evansville, IL
  • Average snowfall days in December: 2.8 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

Average daylight in December /
Average sunshine in December
Evansville, IL

Average daylight in December / Average sunshine in December - Evansville, IL
  • 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: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in December
Evansville, IL

Average sunshine days in December - Evansville, IL
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in December
Evansville, IL

Average UV index in December - Evansville, IL
  • 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 and December (UV index 2).

Average cloud cover in December
Evansville, IL

Average cloud cover in December - Evansville, IL
  • Average cloud cover in December: 47

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in December
Evansville, IL

Average visibility in December - Evansville, IL
  • 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).

Evansville, Illinois, USA

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