Updated October 2026
Perry's Victory & International Peace Memorial Weather by Month
Perry's Victory & International Peace Memorial is warmest in July, when the nearest NOAA climate station averages a high of 82°F and a low of 67°F, and coldest in January, with an average high of 34°F and an average low of 22°F. April is the wettest month, with about 3.8 inches of precipitation.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 15 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Perry's Victory & International Peace Memorial can differ from these, particularly with elevation.
Warmest month
Jul
82°F avg high
Coldest month
Jan
22°F avg low
Wettest month
Apr
3.8 in avg
Longest days
Jun
15.0 h of daylight
Average weather at Perry's Victory & International Peace by month
| Month | Avg high | Avg low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 34°F | 22°F | 1.9 in | 9.3 h |
| February | 37°F | 23°F | 1.8 in | 10.4 h |
| March | 45°F | 31°F | 2.6 in | 11.7 h |
| April | 57°F | 41°F | 3.8 in | 13.1 h |
| May | 69°F | 53°F | 3.3 in | 14.3 h |
| June | 78°F | 63°F | 3.7 in | 15.0 h |
| July | 82°F | 67°F | 3.6 in | 14.7 h |
| August | 81°F | 66°F | 3.0 in | 13.7 h |
| September | 75°F | 59°F | 3.1 in | 12.3 h |
| October | 63°F | 48°F | 2.7 in | 10.8 h |
| November | 50°F | 37°F | 2.6 in | 9.6 h |
| December | 39°F | 28°F | 2.1 in | 9.0 h |
| Year total | 34.2 in |
NOAA 1991–2020 climate normals from station USW00014846, 15 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Perry's Victory & International Peace is at that time of year.
Perry's Victory & International Peace weather by season
Winter: December to February
Average highs bottom out at 34°F in January, between 39°F in December and 37°F in February, with average lows between 22°F and 28°F. The average low is at or below freezing in all three months. Together the three months average 5.8 inches of precipitation, about 17% of the yearly total and less than in any other season. Daylight is at its shortest, about 9.0 hours in December.
Spring: March to May
Average highs climb from 45°F in March to 69°F in May, with average lows between 31°F and 53°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. Daylight lengthens from about 11.7 hours in March to 14.3 in May.
Summer: June to August
Average highs peak at 82°F in July, between 78°F in June and 81°F in August, with average lows between 63°F and 67°F. Together the three months average 10.3 inches of precipitation, about 30% of the yearly total and more than in any other season. Daylight is at its longest, about 15.0 hours in June.
Fall: September to November
Average highs fall from 75°F in September to 50°F in November, with average lows between 37°F and 59°F. Together the three months average 8.4 inches of precipitation, about 25% of the yearly total. Daylight shortens from about 12.3 hours in September to 9.6 in November.
What the National Park Service says about the weather
Summer months can be extremely hot and humid, with occasional and sudden severe thunderstorms. Fall and spring are pleasant with cool temperatures but brisk winds can make a 60° day feel much colder. In winter the memorial and visitor center are closed.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Perry's Victory & International Peace
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 41.65°N, 82.81°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 Perry's Victory & International Peace Memorial →
Weather and crowds together
July is both the warmest month and the busiest, with about 3.1× the visitors of the park's average month. January is the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Perry's Victory & International Peace Memorial. For hotels, cabins and rentals close to the park, see where to stay near Perry's Victory & International Peace.
Where to stay near Perry's Victory & International Peace
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Frequently Asked Questions
July is the warmest month at Perry's Victory & International Peace Memorial, with an average high of 82°F and an average low of 67°F. That is the 1991–2020 average at the nearest long-record NOAA station, 15 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Perry's Victory & International Peace Memorial, with an average low of 22°F and an average high of 34°F, based on NOAA 1991–2020 climate normals.
April is the wettest month, with about 3.8 inches of precipitation. February is the driest, at about 1.8 inches. The station records about 34.2 inches of precipitation in an average year.
Daylight at Perry's Victory & International Peace Memorial runs from about 9.0 hours a day in December to about 15.0 hours in June, computed from the park's latitude.
Weather at nearby parks
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Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USW00014846), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (1979–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.