Missouri State Parks · Missouri

Washington State Park

Missouri State Parks · Missouri, United States

Open on the map Drive there Reserve Directions
Sites
50
Drinking water
No
Restrooms
Yes
Showers
Yes
Dump station
Yes
Laundry
Yes
Pets
Yes
Elevation
817 ft
Dark sky
Bortle class 3
Cell coverage
T-Mobile good · AT&T good · Verizon good (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
Nearest town
De Soto
Address
13041 State Highway 104, De Soto, MO 63020-7000
Phone
636-586-5768
Activities
Boating, Canoeing/Kayaking, Fishing, Hiking, Rock Climbing

47 numbered sites are mapped one by one - open the site map to pick yours.

About

Washington State Park is a Missouri State Park with 50 campsites available for camping.

Weather, month by month

MonthTypical highTypical lowColdest nightHottest dayYears with a night below 32°F
January38°26°3°67°11 of 11
February48°29°-4°76°11 of 11
March59°40°15°80°6 of 11
April68°47°32°85°2 of 11
May77°61°42°87°0 of 11
June86°68°53°97°0 of 11
July87°71°62°98°0 of 11
August85°70°61°97°0 of 11
September83°65°50°97°0 of 11
October67°48°33°84°0 of 10
November57°39°13°77°4 of 10
December48°32°10°66°9 of 10

Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.

Nearby campgrounds

All public campgrounds in Missouri · Every state and province · Facts read from the operator 2026-08-22. Confirm fees, rules and current status with the operator before you go.