December weather forecastBerwick, LA

December

Weather in December

The first month of the winter, December, is also an enjoyable month in Berwick, Louisiana, with an average temperature fluctuating between 63.5°F (17.5°C) and 50.9°F (10.5°C).

Temperature

A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a pleasant 68.9°F (20.5°C) to an enjoyable 63.5°F (17.5°C). Berwick experiences an average low-temperature of 50.9°F (10.5°C) in month of December.

Humidity

February and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Berwick, during December, the rain falls for 8 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Berwick, during the entire year, the rain falls for 128.6 days and collects up to 13.27" (337mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

The month with the shortest days is December, with an average of 10h and 18min of daylight.
On the first day of the month, sunrise is at 6:42 am and sunset at 5:05 pm. On the last day of December, sunrise is at 6:59 am and sunset at 5:16 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 5.3h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 3 translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

December temperatures vary between a high-temperature of 63.5°F (17.5°C) and a low-temperature of 50.9°F (10.5°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 100.4°F (38°C).

The months with the highest humidity are February and December, with an average relative humidity of 79%.

In December, the average relative humidity is 79%.

In Berwick, in December, during 8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

February through December are months without snowfall.

In Berwick, in December, it doesn't snow. In January, it regularly snows.

With an average of 10h and 18min of daylight, December has the shortest days of the year.

The average day length in December is 10h and 17min.

On the first day of December, sunrise is at 6:42 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:16 pm CST.

December has the least sunshine of the year, with an average of 5.3h of sunshine.

The average sunshine duration in December is 5.3h.

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

In Berwick, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Berwick, LA

  • Average high temperature in December: 63.5°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (60.1°F).

  • Average low temperature in December: 50.9°F

The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).

Average pressure in December
Berwick, LA

  • Average pressure in December: 30.11"Hg

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

Average wind speed in December
Berwick, LA

  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Berwick, LA

  • Average humidity in December: 79%

The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Berwick, LA

  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is March (0.43").

Average rainfall days in December
Berwick, LA

  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is August (20 days).
The month with the least rainy days is November (6 days).

Average snowfall days in December
Berwick, LA

  • Average snowfall days in December: 0 days

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

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

  • Average daylight in December: 10h and 18min

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 18min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in December
Berwick, LA

  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is November (23 days).
The month with the least sunshine days is August (6.9 days).

Average UV index in December
Berwick, LA

  • Average UV index in December: 3

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

Average cloud cover in December
Berwick, LA

  • Average cloud cover in December: 45

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 23).

Average visibility in December
Berwick, LA

  • 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).