December weather forecast
Belle River, LA

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Weather in December

December, the first month of the winter in Belle River, is also an enjoyable month, with an average temperature ranging between max 63°F (17.2°C) and min 48.7°F (9.3°C).

Temperature

December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from an agreeable 69.1°F (20.6°C) in November to an enjoyable 63°F (17.2°C). Belle River, during the month of December, experiences an average low-temperature of 48.7°F (9.3°C).

Humidity

February, July through September and December, with an average relative humidity of 80%, are the most humid months in Belle River.

Rainfall

In Belle River, in December, it is raining for 13 days, with typically 2.24" (57mm) of accumulated precipitation. In Belle River, during the entire year, the rain falls for 170.8 days and collects up to 30.16" (766mm) of precipitation.

Snowfall

January and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Belle River, Louisiana, there are 0.2 snowfall days, and 0.2" (5mm) of snow is accumulated.

Daylight

With an average of 10h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:43 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:16 pm CST.

Sunshine

The month with the least sunshine in Belle River is December, with an average of 5.1h of sunshine.

UV index

The month with the lowest UV index in Belle River is December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: During December, 3 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. To guard against the harmful effects of the Sun, minimize exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Feb 12, 2024 | Published by: Weather U.S. | Resources

Frequently asked questions

What is the average December temperature in Belle River?

December temperatures in Belle River, Louisiana, vary between a high-temperature of 63°F (17.2°C) and a low-temperature of 48.7°F (9.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 102.2°F (39°C).

What are the most humid months in Belle River?

February, July through September and December, with an average relative humidity of 80%, are most humid months.

What is the average humidity in December in Belle River?

In December, the average relative humidity in Belle River, Louisiana, is 80%.

How many days does it rain in December in Belle River?

In Belle River, Louisiana, in December, during 13 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

When does it start to snow in Belle River?

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Belle River?

December has the shortest days of the year in Belle River, Louisiana, with an average of 10h and 18min of daylight.

What is the average length of the day in December in Belle River?

In December, the average day length in Belle River, Louisiana, is 10h and 16min.

When is the sunrise / sunset in December in Belle River?

On the first day of December in Belle River, sunrise is at 6:43 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:16 pm CST.

What is the month with the least sunshine in Belle River?

The month with the least sunshine in Belle River is December, with an average of 5.1h of sunshine.

How long on average sun shines in December in Belle River?

In Belle River, Louisiana, the average sunshine duration in December is 5.1h.

When is the lowest UV index in Belle River?

December is the month with the lowest UV index, with an average maximum UV index of 3.

How high is the UV index in December in Belle River?

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health threat 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
Belle River, LA

Average temperature in December - Belle River, LA
  • Average high temperature in December: 63°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (60.1°F).

  • Average low temperature in December: 48.7°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.8°F).

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Average pressure in December
Belle River, LA

Average pressure in December - Belle River, LA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

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Average wind speed in December
Belle River, LA

Average wind speed in December - Belle River, LA
  • Average wind speed in December: 7.1mph

The windiest months (with the highest average wind speed) are February and April (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in December
Belle River, LA

Average humidity in December - Belle River, LA
  • Average humidity in December: 80%

The months with the highest relative humidity are February, July, August, September and December (80%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Belle River, LA

Average rainfall in December - Belle River, LA
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is July (4.76").
The driest month (with the least rainfall) is November (1.3").

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Average rainfall days in December
Belle River, LA

Average rainfall days in December - Belle River, LA
  • Average rainfall days in December: 13 days

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

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Average snowfall in December
Belle River, LA

Average snowfall in December - Belle River, LA
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Belle River, LA

Average snowfall days in December - Belle River, LA
  • Average snowfall days in December: 0.1 days

The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Belle River, LA

Average daylight in December / Average sunshine in December - Belle River, LA
  • Average daylight in December: 10h and 2min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in December
Belle River, LA

Average sunshine days in December - Belle River, LA
  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is November (20.2 days).
The months with the least sunshine days are July and August (6.4 days).

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Average UV index in December
Belle River, LA

Average UV index in December - Belle River, LA
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
Belle River, LA

Average cloud cover in December - Belle River, LA
  • Average cloud cover in December: 47

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 26).

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Average visibility in December
Belle River, LA

Average visibility in December - Belle River, LA
  • Average visibility in December: 6mi

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

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Belle River, Louisiana, USA

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