December weather forecast
Bonn, LA

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Weather in December

December, the first month of the winter in Bonn, is still a mild month, with an average temperature varying between 45.9°F (7.7°C) and 60.6°F (15.9°C).

Temperature

Bonn's progression into December involves a minor drop in the average high-temperature, slightly receding from an agreeable 68°F (20°C) in November to a refreshing 60.6°F (15.9°C). The low-temperature average for Bonn during December stands at a chilly 45.9°F (7.7°C).

Humidity

The months with the highest humidity in Bonn are February and December, with an average relative humidity of 82%.

Rainfall

In Bonn, during December, the rain falls for 13.4 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, in Bonn, Louisiana, there are 175 rainfall days, and 28.74" (730mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January and December. The months with the most snowfall are January and December, with an average 0.2" (5mm) of accumulated snow.

Daylight

December has the shortest days of the year, with an average of 10h and 12min of daylight.
On the first day of December, sunrise is at 6:45 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:14 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 3 in December suggests the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

December temperatures vary between a high-temperature of 60.6°F (15.9°C) and a low-temperature of 45.9°F (7.7°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 104°F (40°C).

What are the most humid months?

The months with the highest humidity are February and December, with an average relative humidity of 82%.

What is the average humidity in December?

The average relative humidity in December is 82%.

How much does it rain in December?

In December, in Bonn, the rain falls for 13.4 days. Throughout December, 2.56" (65mm) of precipitation is accumulated.

What is the snowiest month?

The months with the most snowfall in Bonn are January and December, with an average 0.2" (5mm) of accumulated snow.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 12min of daylight.

What is the average length of the day in December?

In December, the average day length is 10h and 12min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:45 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:14 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 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 3.

What is the UV index reading in December?

In December, the average daily maximum UV index in Bonn is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bonn, LA

Average temperature in December - Bonn, LA
  • Average high temperature in December: 60.6°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (58.3°F).

  • Average low temperature in December: 45.9°F

The month with the highest average low temperature is August (73.4°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).

Average pressure in December
Bonn, LA

Average pressure in December - Bonn, LA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

Average wind speed in December
Bonn, LA

Average wind speed in December - Bonn, LA
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).

Average humidity in December
Bonn, LA

Average humidity in December - Bonn, LA
  • Average humidity in December: 82%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Bonn, LA

Average rainfall in December - Bonn, LA
  • Average rainfall in December: 2.56"

The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is November (1.5").

Average rainfall days in December
Bonn, LA

Average rainfall days in December - Bonn, LA
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in December
Bonn, LA

Average snowfall in December - Bonn, LA
  • Average snowfall in December: 0.2"

The months with the highest snowfall are January and December (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Bonn, LA

Average snowfall days in December - Bonn, LA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Bonn, LA

Average daylight in December / Average sunshine in December - Bonn, LA
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Bonn, LA

Average sunshine days in December - Bonn, LA
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (6.8 days).

Average UV index in December
Bonn, LA

Average UV index in December - Bonn, LA
  • Average UV index in December: 3

The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in December
Bonn, LA

Average cloud cover in December - Bonn, LA
  • Average cloud cover in December: 49

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in December
Bonn, LA

Average visibility in December - Bonn, LA
  • Average visibility in December: 5mi

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

Bonn, Louisiana, USA

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