December weather forecast
Killian, LA

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Weather in December

December, the first month of the winter in Killian, is still a comfortable month, with an average temperature fluctuating between 46.9°F (8.3°C) and 62.1°F (16.7°C).

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's pleasant 68.4°F (20.2°C) to an enjoyable 62.1°F (16.7°C). In Killian, the expected average low-temperature for December is a frosty 46.9°F (8.3°C).

Humidity

February and December, with an average relative humidity of 81%, are the most humid months.

Rainfall

In December, the rain falls for 13.1 days. Throughout December, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 163.3 rainfall days, and 27.64" (702mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 0.4 snowfall days, and 0.24" (6mm) of snow is accumulated.

Daylight

With an average of 10h and 12min of daylight, December has the shortest days of the year in Killian.
On the first day of the month, sunrise is at 6:41 am and sunset at 5:01 pm. On the last day of December, in Killian, sunrise is at 6:58 am and sunset at 5:12 pm CST.

Sunshine

February and December, with an average of 4.8h of sunshine, are months with the least sunshine.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 3 during December translates into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. It's recommended to limit sun exposure when its radiation is at its peak during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the temperature in December?

The high-temperature, in December, in Killian, records 62.1°F (16.7°C), while the low-temperature is 46.9°F (8.3°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is computed to be 104°F (40°C).

What are the most humid months?

February and December, with an average relative humidity of 81%, are most humid months.

What is the average humidity in December?

The average relative humidity in December is 81%.

How many days does it rain in December?

In Killian, in December, it is raining for 13.1 days, with typically 2.64" (67mm) of accumulated precipitation.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length is 10h and 14min.

When are sunrise and sunset in December in Killian?

In December, on the first day of the month, sunrise is at 6:41 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:12 pm CST.

What is the month with the least sunshine?

February and December, with an average of 4.8h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

In Killian, the average sunshine duration in December is 4.8h.

When is the lowest UV index?

January and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the UV index intensity in December?

In Killian, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Killian, LA

Average temperature in December - Killian, LA
  • Average high temperature in December: 62.1°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 (58.6°F).

  • Average low temperature in December: 46.9°F

The month with the highest average low temperature is August (74.5°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).

Average pressure in December
Killian, LA

Average pressure in December - Killian, 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 (29.97"Hg).

Average wind speed in December
Killian, LA

Average wind speed in December - Killian, LA
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity in December
Killian, LA

Average humidity in December - Killian, LA
  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Killian, LA

Average rainfall in December - Killian, LA
  • Average rainfall in December: 2.64"

The wettest month (with the highest rainfall) is July (3.9").
The driest month (with the least rainfall) is November (1.14").

Average rainfall days in December
Killian, LA

Average rainfall days in December - Killian, LA
  • Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is August (20.7 days).
The month with the least rainy days is November (7.6 days).

Average snowfall in December
Killian, LA

Average snowfall in December - Killian, LA
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (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
Killian, LA

Average snowfall days in December - Killian, LA
  • Average snowfall days in December: 0.2 days

The months with the highest number of snowfall days are January and December (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
Killian, LA

Average daylight in December / Average sunshine in December - Killian, 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: 4h and 5min

The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in December
Killian, LA

Average sunshine days in December - Killian, LA
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (7.9 days).

Average UV index in December
Killian, LA

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

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

Average cloud cover in December
Killian, LA

Average cloud cover in December - Killian, LA
  • Average cloud cover in December: 50

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 28).

Average visibility in December
Killian, LA

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

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

Killian, Louisiana, USA

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