DCO Home Page - Delaware Climate Office

Announcement: New Drought Resources Page Now Available!

wet pond under very dry conditions

October 2025 – Near Normal Temperatures with Below Normal Precipitation Across Delaware

Climate Update

Posted on December 12, 2025 | by Dan Leathers

September 2025 – Warm with Below Normal Precipitation Across Delaware

Climate Update
December 5, 2025
August 2025 – Very Cool with Below Normal Precipitation Across Delaware

Climate Update
September 17, 2025
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

Delaware Climate Data

Historical Daily Data

Delaware Climate Projections

Join CoCoRaHS, the Community Collaborative Rain, Hail and Snow Network, today!

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

Climate Office Partners

Find out more about NOAA products