About Arkadelphia, AR's Climate & Weather History

Arkadelphia is a city of approximately 10,700 people in Arkansas, United States. Located in the Central Time Zone at 34.1°N latitude.

In 2025, Arkadelphia recorded an average annual temperature of 65°F — about 2.0°F above the 30-year normal of 63°F. The hottest day reached 102°F in August; the coldest was 13°F in February. Total precipitation was 44 inches (drier than usual). The wettest month was April.