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What’s the climate like in Jefferson Island?

The current climate of Jefferson Island features average monthly temperatures ranging from highs of 33°C during the day to lows of 17°C. The average yearly temperature is around 27°C. At night, temperatures in the colder months average around 6°C and in the warmer months around 23°C.

The highest temperature recorded in Jefferson Island in recent years was 43°C in August 2023. The lowest daytime temperature recorded was -2°C in December 2022.

On average, Jefferson Island receives 2166 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.

The hurricane season in Jefferson Island runs from June to November.

Best time to visit Jefferson Island?

The best time to visit Jefferson Island for pleasant to warm weather is January through April, June, July and September through December. There might be some rain during this period, but the temperatures are just right for exploring Jefferson Island.

Climate Table of Jefferson Island

The climate table of Jefferson Island shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 17 20 23 26 30 32 33 32 32 28 22 20
Temp. min (°C) 6 9 13 16 20 23 24 24 22 16 11 10
Precipitation
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Precipitation (mm) 151 121 81 149 280 187 141 400 176 164 137 179
UV Index 2 3 5 5 6 5 6 7 4 4 4 2

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

  • Average yearly temperature: 27°C
  • Highest temperature: 33°C in July
  • Lowest temperature: 17°C in January
  • Precipitation: 2166 mm per year, averaging 181 mm per month
  • Driest months: 81 mm in March, 121 mm in February and 137 mm in November
  • Wettest months: 400 mm in August, 280 mm in May and 187 mm in June

Average Temperature per Month in Jefferson Island

This graph shows the average maximum temperatures per month in Jefferson Island, Louisiana. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Temperature per Month in Jefferson Island, Louisiana,

Average Precipitation per Month in Jefferson Island

This graph shows how much precipitation Jefferson Island, Louisiana, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.

Precipitation per Month in Jefferson Island, Louisiana,

Average UV Index per Month in Jefferson Island

This graph shows the average UV index per month in Jefferson Island, Louisiana. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

UV Index per Month in Jefferson Island, Louisiana,

Yearly Temperature in Jefferson Island

This graph shows the average yearly temperature in Jefferson Island, Louisiana. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Yearly Temperature in Jefferson Island, Louisiana,

Total Yearly Precipitation in Jefferson Island

This chart shows the total yearly precipitation in Jefferson Island, Louisiana, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.

Yearly Precipitation in Jefferson Island, Louisiana,

Weather experiences 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.

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