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August 2025 – Very Cool with Below Normal Precipitation Across Delaware

Climate Update

Posted on September 17, 2025 | by Dan Leathers

July 2025 – Very Warm with Above Normal Precipitation Across Delaware

Climate Update
August 26, 2025
June 2025 – Very Warm with Below Normal Precipitation Across Delaware

Climate Update
July 15, 2025
May 2025 – Warm with Above Normal Precipitation Across Delaware

Climate Update
June 30, 2025
April 2025 – Warm with Near Normal Precipitation Across Delaware

Climate Update
June 9, 2025

Delaware Climate Data

Historical Daily Data

Delaware Climate Projections

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Delaware Quick Facts

Land Area

1,982 mi²
*second smallest in U.S.

Population

1,051,917
US Census PEP, V2024

Avg Annual
Temperature

54°F *
58.1°F coastal
* in New Castle County

Avg. Annual
Precipitation

45 inches

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