Jefferson Island, LA
Unincorporated community in Vermilion Parish, Louisiana
Jefferson Island is a small unincorporated community in Vermilion Parish, Louisiana. It is 1.8 miles SW of Delcambre, the nearest town. Its ZIP code is 70533.
Jefferson Island at a glance
- State
- Louisiana
- County
- Vermilion Parish
- ZIP code
- 70533
- Nearest town
- Delcambre (1.8 mi)
- Time zone
- America/Chicago
- Coordinates
- 29.9725, -91.9756
Weather in Jefferson Island now
Loading the National Weather Service forecast…
Jefferson Island weather by the hour
Jefferson Island weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Jefferson Island.
This week in Jefferson Island
Sunrise, sunset and moon in Jefferson Island
What is the weather usually like in Jefferson Island?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 93°F average high
- Januarycoldest month · 43°F average low
- 59.7 inprecipitation per year · 1,516 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Jefferson Island: March–April and October–November, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station NEW IBERIA ACADIANA AP, LA US (USC00166657), adjusted for the elevation of Jefferson Island.
Jefferson Island weather month by month
Sunrise and sunset in Jefferson Island through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:03 AM | 5:31 PM | 10 h 28 min |
| February | 6:46 AM | 5:57 PM | 11 h 11 min |
| March | 7:16 AM | 7:17 PM | 12 h 1 min |
| April | 6:39 AM | 7:36 PM | 12 h 56 min |
| May | 6:12 AM | 7:55 PM | 13 h 42 min |
| June | 6:05 AM | 8:11 PM | 14 h 6 min |
| July | 6:16 AM | 8:11 PM | 13 h 55 min |
| August | 6:34 AM | 7:50 PM | 13 h 16 min |
| September | 6:51 AM | 7:14 PM | 12 h 23 min |
| October | 7:08 AM | 6:38 PM | 11 h 29 min |
| November | 6:31 AM | 5:13 PM | 10 h 41 min |
| December | 6:54 AM | 5:11 PM | 10 h 16 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Jefferson Island?
Jefferson Island has a humid subtropical climate. The warmest month is August, with an average high of 93°F (34°C), and the coldest is January, with average lows of 43°F (6°C).
It gets about 59.7 inches (1,516 mm) of precipitation a year. The wettest month is July and the driest is March.
The best time to visit Jefferson Island is March–April and October–November. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
Webcams near Jefferson Island
The closest live webcam is Lafayette: I-10 at Ambassador Caffery, 19.7 miles N of Jefferson Island.
Webcams: Windy.com. Distances in a straight line from Jefferson Island.
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Map of Jefferson Island, LA
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Jefferson Island Street View
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Open in Google Maps ›Towns near Jefferson Island
Other communities near Jefferson Island
Questions about Jefferson Island
Where is Jefferson Island, LA?
Jefferson Island is an unincorporated community in Vermilion Parish, Louisiana, 1.8 miles SW of Delcambre.
What county is Jefferson Island in?
Jefferson Island is in Vermilion Parish, Louisiana.
What is the ZIP code of Jefferson Island, LA?
The ZIP code for Jefferson Island is 70533.
What is the nearest town to Jefferson Island?
Delcambre, 1.8 miles away.
Are there webcams near Jefferson Island?
Yes. The closest is Lafayette: I-10 at Ambassador Caffery, 19.7 miles away.
What is the hottest month in Jefferson Island?
August, with an average high of 93°F (34°C).
What is the coldest month in Jefferson Island?
January, with an average low of 43°F (6°C).
How much does it rain in Jefferson Island?
About 59.7 inches (1,516 mm) a year; the wettest month is July.
Does it snow in Jefferson Island?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Jefferson Island?
March–April and October–November, when temperatures are most pleasant and rainy days are fewer.
What climate does Jefferson Island have?
Humid subtropical (Köppen Cfa).
Last updated: