SpringPeak season ~67°F highs

Things to do in Watertown in May

May is one of the best months to visit Watertown, with average highs around 67°F. Blooming parks and mild days make it easy to pack in sights.

Plan a May weekend Where else in May

Best picks for May

What's famous here, weighted toward what shines in May.

1Spring blooms

Waubay National Wildlife Refuge

wildlife refuge in South Dakota, United States

2Spring blooms

Sica Hollow State Park

protected area in northeast South Dakota

3Spring blooms

Eastman State Wildlife Management Area

park in Roberts County, South Dakota, United States of America

Holidays in May 2027

Memorial Day · Mon, May 31

Expect busier roads and pricier stays around these dates. See long weekends.

Watertown in May: quick answers

Is May a good time to visit Watertown?

May is one of the best months to visit Watertown, with average highs around 67°F. Blooming parks and mild days make it easy to pack in sights.

What is the weather like in Watertown in May?

Average daytime highs are around 67°F, compared with 80°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.

What are the best things to do in Watertown in May?

Top picks for May: Waubay National Wildlife Refuge, Sica Hollow State Park, Eastman State Wildlife Management Area, Reservation Dam Wildlife Management Area, Stairs Slough State Public Shooting Area.