SpringPeak season ~67°F highs

Things to do in Bismarck in May

May is one of the best months to visit Bismarck, 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

Fort Abraham Lincoln State Park

North Dakota state park

2Spring blooms

Cedar River National Grassland

protected area in southern North Dakota

3Spring blooms

Fort Clark Historic Site

Holidays in May 2027

Memorial Day · Mon, May 31

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

Bismarck in May: quick answers

Is May a good time to visit Bismarck?

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

What is the weather like in Bismarck in May?

Average daytime highs are around 67°F, compared with 81°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 Bismarck in May?

Top picks for May: Fort Abraham Lincoln State Park, Cedar River National Grassland, Fort Clark Historic Site, Beaver Lake State Park, Knife River Indian Villages National Historic Site.