Updated October 2026
Ice Age National Scenic Trail Weather by Month
Ice Age National Scenic Trail is warmest in July, when the nearest NOAA climate station averages a high of 82°F and a low of 59°F, and coldest in January, with an average high of 25°F and an average low of 7°F. June is the wettest month, with about 5 inches of precipitation. Snowfall is heaviest in January, at about 13 inches.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 9 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Ice Age National Scenic Trail can differ from these, particularly with elevation.
Warmest month
Jul
82°F avg high
Coldest month
Jan
7°F avg low
Wettest month
Jun
5.0 in avg
Snowiest month
Jan
12.8 in avg
Longest days
Jun
15.3 h of daylight
Average weather at Ice Age by month
| Month | Avg high | Avg low | Precipitation | Snowfall | Daylight |
|---|---|---|---|---|---|
| January | 25°F | 7°F | 1.1 in | 12.8 in | 9.1 h |
| February | 30°F | 10°F | 1.0 in | 8.2 in | 10.2 h |
| March | 41°F | 21°F | 1.9 in | 8.3 in | 11.6 h |
| April | 55°F | 33°F | 3.6 in | 2.7 in | 13.2 h |
| May | 68°F | 45°F | 4.2 in | 0.0 in | 14.6 h |
| June | 77°F | 55°F | 5.0 in | 0.0 in | 15.3 h |
| July | 82°F | 59°F | 4.2 in | 0.0 in | 15.0 h |
| August | 79°F | 57°F | 4.0 in | 0.0 in | 13.8 h |
| September | 72°F | 49°F | 3.3 in | 0.0 in | 12.3 h |
| October | 58°F | 37°F | 2.7 in | 0.3 in | 10.7 h |
| November | 43°F | 26°F | 2.0 in | 3.3 in | 9.4 h |
| December | 30°F | 14°F | 1.4 in | 7.5 in | 8.7 h |
| Year total | 34.4 in | 43.1 in |
NOAA 1991–2020 climate normals from station USC00473405, 9 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Ice Age is at that time of year.
Ice Age weather by season
Winter: December to February
Average highs bottom out at 25°F in January, between 30°F in December and 30°F in February, with average lows between 7°F and 14°F. The average high stays at or below freezing in all three months. Together the three months average 3.5 inches of precipitation, about 10% of the yearly total and less than in any other season. Snowfall averages about 29 inches for the season. Daylight is at its shortest, about 8.7 hours in December.
Spring: March to May
Average highs climb from 41°F in March to 68°F in May, with average lows between 21°F and 45°F. The average low is at or below freezing in March. Together the three months average 9.7 inches of precipitation, about 28% of the yearly total. Snowfall averages about 11 inches for the season, most of it in March. Daylight lengthens from about 11.6 hours in March to 14.6 in May.
Summer: June to August
Average highs peak at 82°F in July, between 77°F in June and 79°F in August, with average lows between 55°F and 59°F. Together the three months average 13.2 inches of precipitation, about 38% of the yearly total and more than in any other season. Daylight is at its longest, about 15.3 hours in June.
Fall: September to November
Average highs fall from 72°F in September to 43°F in November, with average lows between 26°F and 49°F. The average low is at or below freezing in November. Together the three months average 8 inches of precipitation, about 23% of the yearly total. Snowfall averages about 3.6 inches for the season, most of it in November. Daylight shortens from about 12.3 hours in September to 9.4 in November.
What the National Park Service says about the weather
Wisconsin has four distinct seasons. Summers are generally warm, while winters are cold, often bringing significant snowfall. Weather conditions can vary widely throughout the year and location on the trail. Prepare accordingly for each season when visiting the Ice Age National Scenic Trail.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Ice Age
Averages describe a typical month, not this week. For current conditions and the seven-day outlook, the National Weather Service issues a forecast for the park's reference point at 43.99°N, 89.56°W. It covers that one spot, so other elevations in the park can differ from it, as they do from the averages above.
National Weather Service forecast for Ice Age National Scenic Trail →
Weather and crowds together
July is both the warmest month and the busiest, with about 1.8× the visitors of the park's average month. February is the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Ice Age National Scenic Trail. For hotels, cabins and rentals close to the park, see where to stay near Ice Age.
Where to stay near Ice Age
Picked a month for Ice Age National Scenic Trail? Compare hotels, cabins and vacation rentals near the park with live availability and prices.
Top-rated places to stay near Ice Age
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Ice Age?
Get crowd forecasts and lodging deals for Ice Age by email. No spam, unsubscribe anytime.
Frequently Asked Questions
July is the warmest month at Ice Age National Scenic Trail, with an average high of 82°F and an average low of 59°F. That is the 1991–2020 average at the nearest long-record NOAA station, 9 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Ice Age National Scenic Trail, with an average low of 7°F and an average high of 25°F, based on NOAA 1991–2020 climate normals.
June is the wettest month, with about 5 inches of precipitation. February is the driest, at about 1 inch. The station records about 34.4 inches of precipitation in an average year.
Yes. The nearest long-record NOAA station, 9 miles from the park's reference point, averages about 43 inches of snow a year. January is the snowiest month, at about 13 inches. The station averages at least a tenth of an inch of snow in 7 of the 12 months.
Weather at nearby parks
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00473405), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (2024–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.