December weather forecast
Boonville, IN

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Weather in December

December, the first month of the winter in Boonville, is still a chilly month, with an average temperature varying between 32.9°F (0.5°C) and 43.7°F (6.5°C).

Temperature

Boonville in December demonstrates a small temperature transition, adjusting from an average high of a fresh 53.4°F (11.9°C) in November to a frosty 43.7°F (6.5°C). Boonville experiences an average low-temperature of 32.9°F (0.5°C) in month of December.

Humidity

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

Rainfall

In Boonville, during December, the rain falls for 11.5 days and regularly aggregates up to 3.11" (79mm) of precipitation. In Boonville, Indiana, during the entire year, the rain falls for 172 days and collects up to 40.91" (1039mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Boonville, during December, snow falls for 4.1 days and regularly aggregates up to 1.02" (26mm) of snow. In Boonville, during the entire year, snow falls for 21.1 days and aggregates up to 6.26" (159mm) of snow.

Daylight

December has the shortest days of the year in Boonville, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 6:47 am and sunset at 4:29 pm. On the last day of December, in Boonville, sunrise is at 7:05 am and sunset at 4:39 pm CST.

Sunshine

January, February and December, with an average of 4.4h of sunshine, are months with the least sunshine in Boonville.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Boonville. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold in Boonville?

The average high-temperature, in December, in Boonville, is 43.7°F (6.5°C), while the average low-temperature is 32.9°F (0.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 95°F (35°C).

What is the average humidity in December in Boonville?

The average relative humidity in December in Boonville, Indiana, is 79%.

How many days does it rain in December in Boonville?

In Boonville, Indiana, during December, the rain falls for 11.5 days and regularly aggregates up to 3.11" (79mm) of precipitation.

How many days does it snow in December in Boonville?

In Boonville, Indiana, in December, snow falls for 4.1 days, with typically accumulated 1.02" (26mm) of snow.

What is the month with the shortest days in Boonville?

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

What is the average length of the day in December in Boonville?

In December, the average day length in Boonville is 9h and 35min.

When are sunrise and sunset in December in Boonville?

In December, on the first day of the month, sunrise is at 6:47 am and sunset at 4:29 pm. On the last day of the month, in Boonville, sunrise is at 7:05 am and sunset at 4:39 pm CST.

What are the months with the least sunshine in Boonville?

The months with the least sunshine in Boonville are January, February and December, with an average of 4.4h of sunshine.

How many hours of sunshine does Boonville have in December?

The average sunshine duration in December in Boonville is 4.4h.

What is the month with the lowest UV index in Boonville?

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

What is the UV index intensity in December in Boonville?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Boonville, IN

Average temperature in December - Boonville, IN
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in December
Boonville, IN

Average pressure in December - Boonville, 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 (29.95"Hg).

Average wind speed in December
Boonville, IN

Average wind speed in December - Boonville, IN
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in December
Boonville, IN

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

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Boonville, IN

Average rainfall in December - Boonville, IN
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is April (5.31").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December
Boonville, IN

Average rainfall days in December - Boonville, IN
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (9.9 days).

Average snowfall in December
Boonville, IN

Average snowfall in December - Boonville, IN
  • Average snowfall in December: 1.02"

The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Boonville, IN

Average snowfall days in December - Boonville, IN
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is January (6.5 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
Boonville, IN

Average daylight in December / Average sunshine in December - Boonville, 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 2min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 24min).

Average sunshine days in December
Boonville, IN

Average sunshine days in December - Boonville, IN
  • Average sunshine days in December: 15.2 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is July (8.9 days).

Average UV index in December
Boonville, IN

Average UV index in December - Boonville, 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 and December (UV index 2).

Average cloud cover in December
Boonville, IN

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

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

Average visibility in December
Boonville, IN

Average visibility in December - Boonville, 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).

Boonville, Indiana, USA

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