December weather forecastPlattenville, LA

December

Weather in December

December, the first month of the winter in Plattenville, is still a comfortable month, with an average temperature varying between 62.6°F (17°C) and 48°F (8.9°C).

Temperature

The arrival of December signals a subtle shift in temperature, down from an agreeable 68.9°F (20.5°C) in November to a comfortable 62.6°F (17°C). An average temperature of 48°F (8.9°C) is recorded during the nights in December.

Humidity

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

Rainfall

In December, the rain falls for 12.5 days. Throughout December, 2.05" (52mm) of precipitation is accumulated. In Plattenville, during the entire year, the rain falls for 165.4 days and collects up to 26.93" (684mm) of precipitation.

Snowfall

In Plattenville, snow does not fall in February through December.

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 6:42 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:15 pm CST.

Sunshine

With an average of 5h of sunshine, December has the least sunshine of the year.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in December, in Plattenville, is 62.6°F (17°C), while the average low-temperature is 48°F (8.9°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 104°F (40°C).

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

In December, the average relative humidity is 80%.

In Plattenville, in December, during 12.5 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

In Plattenville, snow does not fall in February through December.

In Plattenville, 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.

In December, the average day length is 10h and 15min.

In December, on the first day of the month, sunrise is at 6:42 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:15 pm CST.

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

In December, the average sunshine duration is 5h.

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

In Plattenville, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Plattenville, LA

  • Average high temperature in December: 62.6°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (60.1°F).

  • Average low temperature in December: 48°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 (44.2°F).

Average pressure in December
Plattenville, 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).

Average wind speed in December
Plattenville, LA

  • Average wind speed in December: 6.9mph

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in December
Plattenville, LA

  • Average humidity in December: 80%

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

Average rainfall in December
Plattenville, LA

  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is July (4.25").
The driest month (with the least rainfall) is November (1.18").

Average rainfall days in December
Plattenville, LA

  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in December
Plattenville, LA

  • Average snowfall in December: 0"

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, November and December (0").

Average snowfall days in December
Plattenville, LA

  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Plattenville, 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 0min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Plattenville, LA

  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in December
Plattenville, 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).

Average cloud cover in December
Plattenville, LA

  • Average cloud cover in December: 48

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in December
Plattenville, LA

  • Average visibility in December: 6mi

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