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Port Allen

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Port Allen Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Port Allen year round climate

  • Spring (March-May): Average 64–78°F, mild climate with moderate to heavy rainfall. Common activities: Outdoor activities such as hiking or cycling. Recommended clothing: Light jacket, long-sleeved shirts, and comfortable pants.
  • Summer (June-August): Average 83–84°F, hot and humid with moderate rainfall. Common activities: Swimming, boating, and other water activities. Recommended clothing: Light and breathable clothing, hats, and sunscreen.
  • Autumn (September-November): Average 79–62°F, pleasant climate with gradually decreasing rainfall. Common activities: Outdoor leisure activities such as hiking or birdwatching. Recommended clothing: Comfortable long-sleeved shirts or light jackets.
  • Winter (December-February): Average 55–58°F, mild and humid with heavier rainfall. Common activities: Indoor activities such as visiting museums or art galleries. Recommended clothing: Warm jackets, sweaters, and long pants.

Port Allen climatological average

Annual average temperature: approx. 69.8°F / Annual rainfall: approx. 1352 mm / Summer humidity: 70%–80% / Rainiest month: January

Port Allen monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
52.7°F
169.7
February
58.6°F
110.1
March
64°F
135.9
April
69.6°F
136.3
May
78.4°F
118
June
83.3°F
92.8
July
84.2°F
128.9
August
84.6°F
150
September
79.5°F
40.7
October
70.3°F
21
November
63°F
110.3
December
55.9°F
138.8

Port Allen weather for the next seven days

12/16
Tuesday
Partly Cloudy
56.3°F/31.6°F
12/17
Wednesday
Overcast
63.9°F/46.4°F
12/18
Thursday
Patchy rain nearby
68.4°F/56.5°F
12/19
Friday
Sunny
59.6°F/43.1°F
12/20
Saturday
Sunny
71.7°F/44.8°F
12/21
Sunday
Patchy rain nearby
80.7°F/63.8°F
12/22
Monday
Patchy rain nearby
78.5°F/65°F

Port Allen Frequently Asked Questions and Useful Information for Travel

What is Port Allen, Louisiana famous for?

Port Allen, Louisiana is famous as the home of the Port of Greater Baton Rouge. It serves as the northernmost deepwater terminal on the Mississippi River and is a vital hub where cargo is efficiently transferred between barges, trains, and ocean-going vessels.

What is the significance of Port Allen's harbor?

Port Allen Harbor is one of two commercial harbors on the island of Kauai. The harbor is particularly important for commercial charter vessels, liquid bulk cargo and military vessels servicing the Navy's Pacific Missile Range Facility.

What parish is Port Allen in?

Port Allen is located in West Baton Rouge Parish, Louisiana. It serves as the parish seat and is situated on the west bank of the Mississippi River. The parish itself is named after the French phrase 'baton rouge', meaning 'red stick'.

What are the main activities to do near Port Allen, Kauai?

Port Allen on Kauai is known as a gateway to incredible experiences. Visitors are captivated by the dramatic cliffs of the Napali Coast, with opportunities for snorkeling in the clear waters and witnessing the breathtaking sunset over the Napali Coast.

What makes Port Allen a notable port city?

Port Allen is a significant port city due to its role in the Port of Greater Baton Rouge, a major commercial gateway on the Mississippi River. Its strategic location facilitates extensive cargo operations and business activities.