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
In the transition to December, Lisbon observes a minor drop in the average high-temperature, shifting from a comfortable 63.5°F (17.5°C) in November to a moderate 55.4°F (13°C). Lisbon records an average low-temperature of 40.6°F (4.8°C) throughout the month of December.Humidity
In Lisbon, the average relative humidity in December is 81%.Rainfall
In December, the rain falls for 12.2 days. Throughout December, 3.7" (94mm) of precipitation is accumulated. In Lisbon, during the entire year, the rain falls for 158.6 days and collects up to 39.09" (993mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 0.08" (2mm) of snow. In Lisbon, during the entire year, snow falls for 3.4 days and aggregates up to 1.18" (30mm) of snow.Daylight
The month with the shortest days in Lisbon is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:56 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:15 pm CST.
Sunshine
The average sunshine in December in Lisbon is 5h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 3 in December translates into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in Lisbon in December?
When does it start snowing?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Lisbon, LA
- Average high temperature in December: 55.4°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is January (53.4°F).
- Average low temperature in December: 40.6°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in December
Lisbon, LA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Lisbon, LA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Lisbon, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in December
Lisbon, LA
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Lisbon, LA
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is October (10.1 days).
Average snowfall in December
Lisbon, LA
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Lisbon, LA
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.1 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
Lisbon, 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: 5h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Lisbon, LA
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is March (13.3 days).
Average UV index in December
Lisbon, 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 and December (UV index 3).
Average cloud cover in December
Lisbon, LA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in December
Lisbon, LA
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Lisbon, Louisiana, USA
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