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Port Allen (LA) Climate by Month

The temperature in Port Allen can vary quite a bit throughout the year. Temperatures can be very warm during the warmest months, and mild during the cooler months. It also experiences much rainfall throughout the year. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Visitors to Port Allen can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 33°C in August. In January, the coolest month of the year, temperatures drop to a moderate 16°C. At night, expect cooler temperatures, averaging 5°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Port Allen is known for its substantial rainfall, with annual precipitation reaching 1684 mm. Port Allen experiences moderate seasonal variation in rainfall, with monthly averages ranging from 212 mm in August, the wettest month, and 99 mm in November, the driest month.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Port Allen can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 9.7 hours of sunshine daily. In contrast, the city experiences much darker days in February, with only 5.0 hours of sunlight per day.

Monthly hours of sunshine

Data from: Baton Rouge, the United States of America (5 KM, 3 Miles).

Daily hours of sunshine

Data from: Baton Rouge, the United States of America (5 KM, 3 Miles).

The best time of year to visit Port Allen in the United States of America

During the months of March and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Port Allen?
    Most rainfall (rainy season) is seen in May, June, July, August and December.
  • Which is the warmest month in Port Allen?
    August has an average maximum temperature of 33°C and is the warmest month of the year.
  • Which is the coldest month in Port Allen?
    The coldest month is January with an average maximum temperature of 16°C.
  • Which is the wettest month in Port Allen?
    August tops the wettest month list with 212 mm of rainfall.
  • Which is the driest month in Port Allen?
    November is the driest month with 99 mm of precipitation.
  • Which is the sunniest month in Port Allen?
    May is the sunniest month with an average of 290 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Port Allen (LA)

    Sun   Nov 24
    25°C | 7°C
    S 18 km/h
    almost clear and no rain

    almost clear and no rain

    Mon   Nov 25
    27°C | 16°C
    SW 18 km/h
    0.2 mm
    partly cloudy and small chance of slight rain

    partly cloudy and small chance of slight rain

    Tue   Nov 26
    24°C | 14°C
    N 11 km/h
    2.4 mm
    broken clouds and  chance of slight rain

    broken clouds and chance of slight rain