Ice Age National Scenic Trail in May
May at Ice Age National Scenic Trail averages a daytime high near 68°F and an overnight low around 45°F, with about 4.2" of precipitation. Visitation runs about 1.3× the park's average month, which makes May a busy month here.
- Average low
- 45°F
- Average high
- 68°F
Range across the year: 7°F to 82°F
- Precipitation
- 4.2 in
- Daylight
- 14.6 hours
Roughly 11% of the park's yearly visitors come in May: roughly 3,100 recreation visits in a typical year, based on National Park Service monthly counts from 2024 to 2025.
That makes May the 3rd-busiest of the park's twelve months, sitting between the July peak (1.8×) and the February low (0.6×).
On our Best Time to Visit score May rates 57/100 ("Fair"). Our recommended month is September: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 57°F is a comfortable range for hiking and being outdoors all day. These figures are 1991–2020 NOAA climate normals from the nearest station, about 9 miles from the park.
Because June, July and August together draw about 33% of annual visitors, choosing May instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 14.6 hours of daylight in May to explore — between the 8.7-hour midwinter low and the 15.3-hour summer high.
Park-wide, 2025 drew 29,125 recreation visits, down 2% from 29,711 in 2024.
How May compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| April | 55°F / 33°F | 0.7× Quiet | 54 Fair |
| May | 68°F / 45°F | 1.3× Busy | 57 Fair |
| June | 77°F / 55°F | 1.0× Average | 77 Excellent |
All twelve months at Ice Age, with the best time to visit.
Frequently Asked Questions
May averages a daytime high near 68°F and an overnight low around 45°F at Ice Age National Scenic Trail, with about 4.2 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 9 miles from the park, so conditions inside the park can differ, especially at other elevations.
May is busy at Ice Age National Scenic Trail (about 1.3× the average month). Our best-time score rates it "Fair" at 57/100. Our recommended month is September.
The busiest month is July and the quietest is February. May sits at about 1.3× the park's average, or 11% of annual visitation.
A typical May sees about 3,000 recreation visits at Ice Age National Scenic Trail, based on National Park Service monthly counts from 2024–2025.
Where to stay near Ice Age in May
Booking a May trip to Ice Age National Scenic Trail? Compare hotels, cabins and vacation rentals near the park with live May availability and prices.
Top-rated places to stay near Ice Age
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See the full ranking of the best national parks to visit in May.
Source: National Park Service Visitor Use Statistics (2024–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.