Weather & Average Temperatures
Curious what the weather's like in Jefferson Parish? We’ve got sunshine, warm breezes, and plenty of good times waiting for you all year long. But a little planning goes a long way, especially when you’re packing for a weekend of festivals, swamp tours, and beignets in the park.
A Quick Look at the Weather
Here in Jefferson Parish, the summers are long and hot, the winters are short and mild, and it stays warm and a little wet most of the year. You’ll want to expect a mix of sun, humidity, and the occasional afternoon shower—especially in spring and early summer.
- Summer (May through September): Hot and humid with highs in the 90s. July and August are our steamiest months.
- Winter (December through February): Cool and breezy with highs in the 60s. You might need a jacket, but snow is basically off the table.
- Spring and Fall: These are the sweet spots. Warm days, cooler nights, and just right for anything from a boat tour to a backyard boil.
Best Times to Visit
If you're planning a trip around outdoor fun, the most comfortable months to be outside are:
- Late March to Mid-May
- Late September to Early November
That’s when the weather’s warm but not too hot. Perfect for park picnics, open-air concerts, and exploring everything Jefferson Parish has to offer.
Average Temps at a Glance
Season | Average High | Average Low |
| Spring | 75–85°F | 55–65°F |
| Summer | 86–92°F | 74–78°F |
| Fall | 70–84°F | 52–67°F |
| Winter | 61–68°F | 44–53°F |
- Hottest Month: August (averages around 91.5°F)
- Coldest Month: January (lows near 47°F)
We average 64 inches of rain a year (most of it in spring and early summer), and around 219 sunny days, so chances are good you’ll get plenty of sunshine.
What to Pack
Packing for Jefferson Parish? Here’s what locals would throw in the bag:
- Spring: Light layers, a rain jacket, and comfy walking shoes
- Summer: Breathable clothes, sunscreen, a hat, and plenty of water
- Fall: Layers for warm days and cooler nights
- Winter: A sweater or light jacket
Pro-tip: Rain showers come and go quickly, so having an umbrella on hand never hurts.
Want to know what’s going on while you’re here? Check out upcoming events, outdoor things to do, and places to stay that’ll make your visit to Jefferson Parish unforgettable.