Wilmington Weather Forecast

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Last Updated: January 2, 2026

Wilmington, Delaware, located in the Mid-Atlantic region of the United States, experiences a humid subtropical climate.


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Summary

Summers are hot and humid, with average temperatures ranging from the mid-70s to the low 90s Fahrenheit. Winters are chilly, with temperatures averaging in the mid-30s to low 40s Fahrenheit. Precipitation is evenly distributed throughout the year.

The hydrology constituents in Wilmington are influenced by the Christina River, which flows through the city. The river provides opportunities for boating, fishing, and other water-related activities. Additionally, the Brandywine Creek, a tributary of the Christina River, offers scenic views and recreational opportunities, including hiking, picnicking, and wildlife observation.

Apart from water activities, outdoor enthusiasts can explore numerous parks and green spaces in Wilmington. Brandywine Park, for instance, offers walking trails, gardens, and picnic areas. Bellevue State Park provides opportunities for hiking, biking, and horseback riding, while Rockford Park features tennis courts, playgrounds, and jogging paths.

Overall, Wilmington offers a diverse range of outdoor recreation opportunities, making it a great destination for nature lovers and outdoor enthusiasts.

       

Weather Forecast

Wilmington receives approximately 1196mm of rain per year, with humidity levels near 78% and air temperatures averaging around 13°C. Wilmington has a plant hardyness factor of 7, meaning plants and agriculture in this region tend to thrive during the non-winter months.