How long does it take for DC weather to change seasons?

Asked on: 7/26/2025

This question has been asked1times.

DC weather transitions between seasons typically take a few weeks, with noticeable changes occurring around March (spring), June (summer), September (fall), and December (winter).

Estimated Duration: 21 days

Washington, DC experiences four distinct seasons, with each transition period lasting about 3-4 weeks. Spring begins in March with gradual warming, summer arrives by June with higher humidity, fall starts in September with cooler temperatures, and winter sets in by December. Weather patterns shift due to geographic location and jet stream movements, making seasonal transitions moderately predictable. The most dramatic changes occur between winter and spring (February-April) and summer to fall (September-November). Monitoring long-term forecasts and historical climate data helps anticipate these seasonal shifts.