About West Monroe, LA's Climate & Weather History

With a population of around 13,000, West Monroe sits in Louisiana, United States. The city operates in the Central Time Zone.

In 2025, West Monroe recorded an average annual temperature of 67°F. The hottest temperatures reached 99°F in August; the coolest were 16°F in January. Total precipitation for the year was 49 inches, with the wettest month being May.