About Oak Grove, LA's Climate & Weather History

Oak Grove, in Louisiana, United States, is home to roughly 1,700 people in the Central Time Zone at 32.9°N latitude.

In 2025, Oak Grove recorded an average annual temperature of 66°F. The hottest temperatures reached 98°F in August; the coolest were 16°F in January. Total precipitation for the year was 47 inches, with the wettest month being May.