December weather forecast
Catherine, LA

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Weather in December

December, the first month of the winter in Catherine, is still a refreshing month, with an average temperature fluctuating between 62.4°F (16.9°C) and 47.8°F (8.8°C).

Temperature

December reveals a small adjustment in temperature, transitioning from an average high of an agreeable 68.9°F (20.5°C) in November to an enjoyable 62.4°F (16.9°C). Throughout December, the average low-temperature dips to a frosty 47.8°F (8.8°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Catherine, Louisiana, in December, it is raining for 11.5 days, with typically 1.34" (34mm) of accumulated precipitation. In Catherine, during the entire year, the rain falls for 154.1 days and collects up to 17.91" (455mm) 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 12min of daylight.
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 5:15 pm CST.

Sunshine

With an average of 5.1h of sunshine, December has the least sunshine of the year in Catherine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 3 during December, leads to the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

What is the temperature in December?

Catherine in December has an average high-temperature of 62.4°F (16.9°C) and an average low-temperature of 47.8°F (8.8°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is evaluated at 104°F (40°C).

What is the average humidity in December?

In Catherine, the average relative humidity in December is 80%.

How much does it rain in December?

In December, the rain falls for 11.5 days. Throughout December, 1.34" (34mm) of precipitation is accumulated.

When it does not snow?

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

Does it snow in December?

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

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 12min of daylight.

What is the average length of the day in December in Catherine?

The average day length in December is 10h and 14min.

When is the sunrise / sunset in December?

In December, on the first day of the month, 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 5:15 pm CST.

What is the month with the least sunshine?

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

How long on average sun shines in December?

In December, the average sunshine duration is 5.1h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index in Catherine is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
Catherine, LA

Average temperature in December - Catherine, LA
  • Average high temperature in December: 62.4°F

The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in December: 47.8°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 (44.1°F).

Average pressure in December
Catherine, LA

Average pressure in December - Catherine, 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
Catherine, LA

Average wind speed in December - Catherine, LA
  • Average wind speed in December: 6.7mph

The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity in December
Catherine, LA

Average humidity in December - Catherine, LA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Catherine, LA

Average rainfall in December - Catherine, LA
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is July (2.95").
The driest month (with the least rainfall) is November (0.79").

Average rainfall days in December
Catherine, LA

Average rainfall days in December - Catherine, LA
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is November (7.2 days).

Average snowfall in December
Catherine, LA

Average snowfall in December - Catherine, LA
  • Average snowfall in December: 0"

The month with the highest snowfall is January (0.12").
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
Catherine, LA

Average snowfall days in December - Catherine, LA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.3 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
Catherine, LA

Average daylight in December / Average sunshine in December - Catherine, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in December
Catherine, LA

Average sunshine days in December - Catherine, LA
  • Average sunshine days in December: 17 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (7.5 days).

Average UV index in December
Catherine, LA

Average UV index in December - Catherine, 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
Catherine, LA

Average cloud cover in December - Catherine, 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).

Average visibility in December
Catherine, LA

Average visibility in December - Catherine, LA
  • Average visibility in December: 6mi

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

Catherine, Louisiana, USA

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