December weather forecast
Crowley, LA

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Weather in December

In Crowley, Louisiana, December wraps up the year with a marked drop in temperatures, reaching as low as 44.2°F (6.8°C). The transition to winter is further seen through the slight increase in humidity to 80%. Distinctively, December brings back the light dusting of snowfall, measuring up to 0.04" (1mm) as seen in the year's start. With an average of 10.2 daylight hours, the city witnesses significantly early nights and marginally shorter days. Amid these weather transitions and cooler temperatures, the wind's velocity picks up, blowing to a speed of 8.4mph (13.5km/h), signaling breezy conditions.

Temperature

During the shift to December, a minor reduction in average high-temperature is observed, shifting from a pleasant 68.2°F (20.1°C) in November to an enjoyable 61.7°F (16.5°C). In Crowley, December is marked by an average low-temperature of 47.8°F (8.8°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Crowley, in December, during 9.2 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Crowley, during the entire year, the rain falls for 130.7 days and collects up to 12.09" (307mm) of precipitation.

Snowfall

Months with snowfall in Crowley are January and December. The months with the most snowfall are January and December, with an average 0.04" (1mm) of accumulated snow.

Daylight

With an average of 10h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:48 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:19 pm CST.

Sunshine

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

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 3 in December translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

In Crowley, in December, the average high-temperature is 61.7°F (16.5°C), and the average low-temperature is 47.8°F (8.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 100.4°F (38°C).

What is the average humidity in December?

In December, the average relative humidity is 80%.

How many days does it rain in December?

In December, the rain falls for 9.2 days. Throughout December, 0.94" (24mm) of precipitation is accumulated.

What is the snowiest month?

The months with the most snowfall are January and December, with an average 0.04" (1mm) of accumulated snow.

When does it start snowing?

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?

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?

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

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:48 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:19 pm CST.

What is the month with the least sunshine?

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

How long on average sun shines in December?

In Crowley, the average sunshine duration in December is 5.1h.

When is the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Crowley, LA

Average temperature in December - Crowley, LA
  • Average high temperature in December: 61.7°F

The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (59°F).

  • Average low temperature in December: 47.8°F

The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

Average pressure in December
Crowley, LA

Average pressure in December - Crowley, 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 and August (29.95"Hg).

Average wind speed in December
Crowley, LA

Average wind speed in December - Crowley, LA
  • Average wind speed in December: 8.4mph

The windiest month (with the highest average wind speed) is February (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

Average humidity in December
Crowley, LA

Average humidity in December - Crowley, 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 (72%).

Average rainfall in December
Crowley, LA

Average rainfall in December - Crowley, LA
  • Average rainfall in December: 0.94"

The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is March (0.59").

Average rainfall days in December
Crowley, LA

Average rainfall days in December - Crowley, LA
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is November (6.9 days).

Average snowfall in December
Crowley, LA

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

The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Crowley, LA

Average snowfall days in December - Crowley, LA
  • Average snowfall days in December: 0.1 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 and November (0 days).

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

Average daylight in December / Average sunshine in December - Crowley, 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
Crowley, LA

Average sunshine days in December - Crowley, LA
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is August (9.3 days).

Average UV index in December
Crowley, LA

Average UV index in December - Crowley, 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
Crowley, LA

Average cloud cover in December - Crowley, LA
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 25).

Average visibility in December
Crowley, LA

Average visibility in December - Crowley, 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).

Crowley, Louisiana, USA

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