Wisconsin Dells in May
Great time to visit
May hits the sweet spot with great weather and manageable crowds. Everything's open, prices haven't peaked, and you can actually enjoy outdoor activities without freezing.
Weather
May brings comfortable temps with 20°C highs and 8°C lows, perfect for both indoor and outdoor activities. Rain becomes less frequent at about 10 days, and humidity stays pleasant. Late May often delivers gorgeous 25°C days that make you forget about Wisconsin winters.
20°C high8°C low10 rain days
Crowds & Cost
moderate crowds
~$135/day average
Events & Festivals
- •Memorial Day Weekend Opening
- •Dells Boat Tours Season Begins
- •Spring Car Shows
May Tips
- •Book Memorial Day weekend hotels 2 months ahead
- •Perfect weather for scenic boat tours through the gorge
- •Outdoor water parks comfortable but indoor pools still warmer
All Months
May through September offers the best weather for outdoor activities. Water temperatures in the Wisconsin River reach swimming levels by late May, though most people stick to heated pools and waterparks.
July and August bring peak crowds and prices. Hotel rates double compared to shoulder seasons, and popular attractions sell out. But this is when everything operates at full capacity — all outdoor waterparks, boat tours, and seasonal attractions.
September and early October deliver the sweet spot. Crowds thin out after Labor Day, but outdoor waterparks stay open through September. Fall colors peak in early October, making scenic boat tours spectacular. Hotel rates drop 30-40% compared to summer.
Winter isn't dead season thanks to indoor waterparks. December through February sees the lowest prices, and heated pools feel amazing when snow covers the ground outside. But outdoor attractions close, and scenic beauty disappears under Wisconsin's long winter.
Wisconsin Dells Scores
Solo
3/10
Couples
4/10
Families
10/10
Adventure
7/10
Budget
6/10
Luxury
4/10
BUILD YOUR WISCONSIN DELLS PLAN
Insider picks, smart timing, and a plan ready when you are.