The weather in January in Jefferson Island

It's cool to moderate in January in Jefferson Island with an average temperature of 17°C. Temperatures this month range from a low of 14°C to a high of 20°C. At night, you can expect temperatures between 3°C and 10°C.

Looking for sun and warm weather? January isn’t a good month to be in Jefferson Island. The temperatures are too low for a warm stay this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January 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 27°C in 2022, Jefferson Island reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was -2°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of -9°C to a highest value of 23°C.

Rainfall amount

In January, there is an average of 151 mm of precipitation, spread over 18 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in January for Jefferson Island

Click on any day in January 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.

January weather comparison

  Jefferson Island New York
Average temperature 17°C 5°C
Max. temperature 20°C 11°C
Min. temperature 3°C -5°C
Total precipitation 151 mm 97 mm
Rainy days 18 days 12 days

Start of January

The month of January starts in Jefferson Island with cool temps, averaging around 17°C during the day and nights around 7°C.

Mid January

By mid-January, daytime temps rise to around 18°C, with nights around 7°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of January

By the end of January, the average daytime temperature in Jefferson Island is around 17°C, while nighttime temps are about 6°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.

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 January 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 January in Jefferson Island

Temperature in January in Jefferson Island over the years

Precipitation charts

These charts show the average amount of precipitation in January 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 January in Jefferson Island

Total precipitation in January in Jefferson Island over the years

Daily UV index in January in Jefferson Island

This chart shows the average daily UV index in January 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 January in Jefferson Island

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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.