With a population of around 3,600, Landmark sits in Arkansas, United States. The city operates in the Central Time Zone.
In 2025, Landmark recorded an average annual temperature of 64°F — about 2.7°F above the 30-year normal of 62°F. The hottest day reached 101°F in August; the coldest was 10°F in February. Total precipitation was 49 inches (near normal). Snowfall totaled 4 inches, near the 4-inch average. The wettest month was April.
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