December weather forecast
Bristol, IN

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Weather in December

The first month of the winter, December, is also a wintry month in Bristol, Indiana, with an average temperature fluctuating between 34.9°F (1.6°C) and 25.7°F (-3.5°C).

Temperature

The commencement of December indicates a shift in the average high-temperature, receding from November's frosty 46°F (7.8°C) to a wintry 34.9°F (1.6°C). The average low-temperature of 25.7°F (-3.5°C) is witnessed during December.

Humidity

In Bristol, the average relative humidity in December is 84%.

Rainfall

In Bristol, during December, the rain falls for 9.7 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, there are 156.3 rainfall days, and 22.28" (566mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 13.1 days. Throughout December, 2.13" (54mm) of snow is accumulated. Throughout the year, there are 60.6 snowfall days, and 13.5" (343mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:51 am and sunset at 5:13 pm. On the last day of December, sunrise is at 8:10 am and sunset at 5:22 pm EST.

Sunshine

The average sunshine in December in Bristol, Indiana, is 3.5h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A daily high UV index of 1 in December leads to these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

How cold is it in December?

In Bristol, 34.9°F (1.6°C) is the average high-temperature and 25.7°F (-3.5°C) is the average low-temperature during December.

What is the average humidity in December?

In Bristol, the average relative humidity in December is 84%.

How many days does it rain in December?

In Bristol, during December, the rain falls for 9.7 days and regularly aggregates up to 1.3" (33mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 13.1 days. Throughout December, 2.13" (54mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

How many hours of daylight does Bristol have in December?

The average day length in December is 9h and 13min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:51 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 5:22 pm EST.

How many hours of sunshine does Bristol have in December?

In December, the average sunshine duration is 3.5h.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 1. 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
Bristol, IN

Average temperature in December - Bristol, IN
  • Average high temperature in December: 34.9°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 (28.9°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in December
Bristol, IN

Average pressure in December - Bristol, IN
  • Average pressure in December: 30.09"Hg

The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Bristol, IN

Average wind speed in December - Bristol, IN
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in December
Bristol, IN

Average humidity in December - Bristol, IN
  • Average humidity in December: 84%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).

Average rainfall in December
Bristol, IN

Average rainfall in December - Bristol, IN
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is February (1.26").

Average rainfall days in December
Bristol, IN

Average rainfall days in December - Bristol, IN
  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7 days).

Average snowfall in December
Bristol, IN

Average snowfall in December - Bristol, IN
  • Average snowfall in December: 2.13"

The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Bristol, IN

Average snowfall days in December - Bristol, IN
  • Average snowfall days in December: 13.1 days

The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Bristol, IN
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 3h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Bristol, IN

Average sunshine days in December - Bristol, IN
  • Average sunshine days in December: 11.6 days

The month with the most sunshine days is November (14.2 days).
The month with the least sunshine days is February (8.8 days).

Average UV index in December
Bristol, IN

Average UV index in December - Bristol, IN
  • Average UV index in December: 1

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Bristol, IN

Average cloud cover in December - Bristol, IN
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Bristol, IN

Average visibility in December - Bristol, IN
  • Average visibility in December: 6mi

The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).

Bristol, Indiana, USA

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