Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The beginning of December subtly marks a decrease in the average high-temperature, transitioning from an enjoyable 63.5°F (17.5°C) in November to a cool 55.2°F (12.9°C). During the month of December, the nighttime temperature in Cullen falls to an average of 40.5°F (4.7°C).Humidity
In December, the average relative humidity in Cullen is 80%.Rainfall
In December, the rain falls for 12 days. Throughout December, 3.66" (93mm) of precipitation is accumulated. In Cullen, during the entire year, the rain falls for 149.9 days and collects up to 36.1" (917mm) of precipitation.Snowfall
April through December are months without snowfall in Cullen.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:59 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:17 pm CST.
Sunshine
The average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What are the temperatures in Cullen in December?
What is the average humidity in December in Cullen?
How much does it rain in Cullen in December?
When it does not snow in Cullen?
Does it snow in Cullen in December?
What is the month with the shortest days in Cullen?
How many hours of daylight does Cullen have in December?
When is the sunrise / sunset in December in Cullen?
How long on average sun shines in December in Cullen?
When is the lowest UV index in Cullen?
How high is the UV index in December in Cullen?
Average temperature in December
Cullen, LA
- Average high temperature in December: 55.2°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in December
Cullen, LA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Cullen, LA
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Cullen, LA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Cullen, LA
- Average rainfall in December: 3.66"
The wettest month (with the highest rainfall) is April (4.65").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Cullen, LA
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is July (14.3 days).
The months with the least rainy days are October and November (10.1 days).
Average snowfall in December
Cullen, LA
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Cullen, LA
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Cullen, LA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Cullen, LA
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is February (13.5 days).
Average UV index in December
Cullen, LA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Cullen, LA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Cullen, LA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Cullen, Louisiana, USA
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