Donaldsonville (LA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Donaldsonville.
Climate overview of Donaldsonville
Donaldsonville, Louisiana, United States of America, sees big temperature differences between seasons, with August peaking at 33°C (91°F) and January dropping to 17°C (63°F).
Rainfall is high, totalling around 1621 mm (64 in) per year. August is the wettest month and November the driest. Sunshine peaks in May, when the city sees around 9.7 hours of sunshine per day.
Donaldsonville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Donaldsonville — and find the best time to visit.
Monthly Temperature in Donaldsonville
Visitors to Donaldsonville can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 33°C (91°F) in August, the warmest time of the year, to a moderate 17°C (63°F) during cooler months like January.
At night, you can expect temperatures ranging from 23°C (73°F) in August to around 5°C (41°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Donaldsonville
Donaldsonville is known for its substantial rainfall, with annual precipitation reaching 1621 mm (64 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, August it receives heavy rainfall, averaging 212 mm (8.3 in) of precipitation, recorded across 17 rainy days. In contrast, the driest month November brings less rainfall, with 84 mm (3.3 in) over 7 rainy days. For more details, please visit our Donaldsonville 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 Donaldsonville
Seasonal changes in sunshine hours are quite dramatic in Donaldsonville. While May receives considerable daily sunshine with up to 9.7 hours, February marks the darkest time of the year, where sunshine is scarce with only 5.0 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Donaldsonville by Month
The relative humidity is high throughout the year in Donaldsonville.
The city experiences its highest humidity in July, reaching 77%. In February, the humidity drops to its lowest level at 70%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Donaldsonville
The weather does bring rainfall during this period, between 84 mm (3.3 in) and 118 mm (4.6 in).
Plan accordingly for August, when conditions bring the heaviest precipitation. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in Donaldsonville
What is the best time to visit Donaldsonville?
November typically offers the most optimal weather in Donaldsonville. In contrast, August tends to have less optimal conditions.
What temperatures can I expect in Donaldsonville?
Daytime highs range from 17°C (63°F) in January to 33°C (91°F) in August. Nighttime lows range from 5°C (41°F) to 23°C (73°F). Temperatures vary considerably through the year.
How much rain does Donaldsonville get?
Annual rainfall is around 1621 mm (64 in). August is the wettest month with 212 mm (8.3 in), while November is the driest with 84 mm (3.3 in).
How sunny is Donaldsonville?
Donaldsonville receives around 2,723 hours of sunshine per year. May is the sunniest month with 290 hours, while February is the cloudiest with just 151 hours. Overall, Donaldsonville enjoys abundant sunshine.
Donaldsonville 3-Day Forecast
Donaldsonville (LA) 3-Day Forecast
Donaldsonville on the map
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