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United StatesThe weather in December in Jefferson Island
It's pleasantly warm in December in Jefferson Island with an average temperature of 20°C. Temperatures this month range from a low of 15°C to a high of 23°C. At night, you can expect temperatures between 5°C and 15°C.
Looking for sun? December isn’t a good month to be in Jefferson Island. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Jefferson Island, Louisiana. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 28°C in 2022, Jefferson Island reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -2°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -7°C to a highest value of 24°C.
Precipitation and snowfall
In December, there is an average of 179 mm of precipitation, spread over 18 days. Of the total precipitation, about 0,3 cm falls as snow in December. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in December for Jefferson Island
Click on any day in December to get detailed info about the usual weather on that day in Jefferson Island. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Jefferson Island | New York | |
|---|---|---|
| Average temperature | 20°C | 9°C |
| Max. temperature | 23°C | 12°C |
| Min. temperature | 5°C | -5°C |
| Total precipitation | 179 mm | 133 mm |
| Rainy days | 18 days | 17 days |
| Total snowfall | 0,3 cm | 9,7 cm |
| Snowy days | 1 day | 3 days |
Start of December
The month of December starts in Jefferson Island with mild temps, averaging around 21°C during the day and nights around 10°C.
Mid December
By mid-December, daytime temps drop to around 19°C, with nights around 9°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of December
By the end of December, the average daytime temperature in Jefferson Island is around 21°C, while nighttime temps are about 12°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
UV index
The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
The hurricane season in Jefferson Island runs from June to November.
Check out the climate of Jefferson Island for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Jefferson Island, Louisiana. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Jefferson Island
Temperature in December in Jefferson Island over the years
Precipitation charts
These charts show the average amount of precipitation in December in Jefferson Island, Louisiana. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Jefferson Island
Total precipitation in December in Jefferson Island over the years
Daily Snowfall in December in Jefferson Island
Snowfall in December in Jefferson Island per year
Daily UV index in December in Jefferson Island
This chart shows the average daily UV index in December in Jefferson Island, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Jefferson Island
Have you been to Jefferson Island in December?
Share your weather experience in December in Jefferson Island.
Average weather in Jefferson Island by month
Click on a month below to see detailed weather info for Jefferson Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.