Washington DC · Month comparison
August vs October
October ranks #1 overall vs August at #10. Fall foliage on the Mall, Marine Corps Marathon, crisp air — October rivals April for DC's best.
August
#10 of 12 months
Strong option
Congress is in recess — DC actually quieter in August, easier Smithsonian access.
- ↑Congressional recess means the city has a different, quieter energy — many DC insiders take holidays
- ↑Indoor Smithsonians excellent in the heat: the Air and Space Museum in August feels like a genuine escape
October
#1 of 12 months
Best match
Fall foliage on the Mall, Marine Corps Marathon, crisp air — October rivals April for DC's best.
- ↑Fall foliage across the National Mall, Rock Creek Park, and Georgetown: red and gold that genuinely rivals New England
- ↑Marine Corps Marathon (late October): 30,000 runners through Washington's most scenic monuments — spectacular spectator event
| Factor | August | October |
|---|---|---|
| Weather score | 6 | 9 |
| Value score | 6 | 5 |
| Crowd score | 6 | 5 |
| Events score | 6 | 7 |
| Atmosphere | 7 | 9 |
| Avg high temp | 30°C | 19°C |
| Monthly rain | 100mm | 80mm |
| Daily sunshine | 7.5hrs | 6.5hrs |
August trade-offs
- ↓30°C with high humidity persists — outdoor monuments uncomfortable midday
- ↓Family tourism at peak: Air and Space and Natural History crowded with children on summer holiday
- ↓August thunderstorms can be sudden and heavy; always have a plan to duck indoors
October trade-offs
- ↓Moderate tourism continues through October; not the quiet shoulder it once was
- ↓Marine Corps Marathon weekend significantly affects transport and accommodation around the Mall
- ↓Foliage peaks vary year to year — late October to early November is the typical window
Scores compare months within Washington DC. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →