Galliano (LA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Galliano.
Climate overview of Galliano
Galliano, Louisiana, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 32°C (90°F) in August, while winters cool to 17°C (63°F) in January.
The city has a wet climate, receiving around 1673 mm (66 in) of rainfall per year. Despite the high annual total, it has a distinct rainy season from July to September, with very warm summers and mild winters. July is the wettest month. The most sunshine falls in May, with an average of 9.3 hours of daily sunshine.
Galliano Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Galliano - and find the best time to visit.
Monthly Temperature in Galliano
Depending on the time of the year, temperatures range from very warm to moderate in Galliano. On average, daytime temperatures range from a very warm 32°C (90°F) in August to a moderate 17°C (63°F) in January.
Nighttime temperatures range from 24°C (75°F) in August to 7°C (45°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Galliano
Galliano has a relatively rainy climate with high precipitation levels, averaging 1673 mm (66 in) of rainfall annually. The seasons in Galliano bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 232 mm (9.1 in) of precipitation. This rainfall is distributed across 20 rainy days.
In contrast, the driest month, November, experiences much less rainfall, totaling 73 mm (2.9 in) over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Galliano Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Galliano
In Galliano, summer days are longer and more sunny, with daily sunshine hours peaking at 9.3 hours in May. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 5.1 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Galliano by Month
The relative humidity is high throughout the year in Galliano.
The city experiences its highest humidity in July, reaching 79%. In February, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Galliano
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: March, October and November
- Warmest weather: June, July and August
- Most sunshine: May and June
- Fewest rainy days: March, April, October and November
- Seasonal pattern: A distinct rainy season from July to September, with very warm summers and mild winters
Frequently asked questions about the climate in Galliano
What is the best time to visit Galliano?
March, October and November typically offer the most optimal weather in Galliano. In contrast, July, August and September tend to have less optimal conditions. Galliano has a distinct rainy season from July to September, with very warm summers and mild winters.
What temperatures can I expect in Galliano?
Daytime highs range from 17°C (63°F) in January to 32°C (90°F) in August. Nighttime lows range from 7°C (45°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Galliano get?
Annual rainfall is around 1673 mm (66 in). July is the wettest month with 232 mm (9.1 in), while November is the driest with 73 mm (2.9 in).
How sunny is Galliano?
Galliano receives around 2,640 hours of sunshine per year. May is the sunniest month with 279 hours, while January is the cloudiest with just 152 hours. Overall, Galliano enjoys abundant sunshine.
Galliano 3-Day Forecast
Galliano on the map
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