Updated June 2026
Best Time to Visit Herbert Hoover
Our recommendation
Visit Herbert Hoover in February
February offers best overall balance of crowds, weather and daylight. For comparison, August is the most crowded month (~1.8× the average month) and February is the quietest.
Annual visits
107K
2025
Busiest month
Aug
1.8× avg
Quietest month
Feb
0.6× avg
10-yr trend
falling
-12.8%
How crowded is Herbert Hoover by month?
Relative crowd level by month (1.0 = the park's average month), from NPS visitation records 1979–2025.
Month-by-month crowd, weather & daylight
| Month | Crowd level | Best-time score | Daylight |
|---|---|---|---|
| January | Quiet | 75 Excellent | 9.3 h |
| February★ best | Quiet | 81 Excellent | 10.4 h |
| March | Average | 67 Good | 11.7 h |
| April | Quiet | 75 Excellent | 13.1 h |
| May | Busy | 58 Fair | 14.4 h |
| June | Busy | 54 Fair | 15.0 h |
| July | Busy | 42 Poor | 14.7 h |
| August | Very busy | 19 Poor | 13.7 h |
| September | Average | 52 Fair | 12.3 h |
| October | Average | 63 Good | 10.8 h |
| November | Quiet | 65 Good | 9.6 h |
| December | Quiet | 62 Good | 9.0 h |
About visiting Herbert Hoover
Herbert Hoover National Historic Site is a National Historic Site in IA and a relatively quiet park, drawing about 107,000 recreation visits in 2025. Visitation has eased over the past decade, down about 12.8%. Crowds concentrate sharply by season: August is the busiest month at about 1.8× the park's average month, while February is the calmest at roughly 0.6× — a 3-to-1 swing between high and low season. Roughly 37% of the year's visitors arrive in the three summer months of June, July and August alone, so timing a trip outside that window is the single biggest lever on how crowded the park feels. If avoiding people matters most, February offers the thinnest crowds of the year, though you'll trade some warmth and daylight for the solitude. Daylight ranges from about 9.0 hours in midwinter to 15.0 hours near the summer solstice, which shapes how much ground you can cover in a day. These crowd figures are drawn from 1979–2025 of National Park Service visitor-use records, and are updated as new monthly data is released.
Park overview
Orphaned at age nine, Herbert Hoover left West Branch never to live here again. In later years, he returned to his humble birthplace to celebrate his long career of public service. A memorial landscape remains to tell his story: how community, hard work, honesty, and usefulness to others opened a world of opportunity— and the presidency of the United States— to a child of simple beginnings.
Weather & conditions
Spring and fall are mild with moderate temperatures. Average high temperatures in the spring and fall are between 50° and 60° F, with lows from 40° F to 50° F. Summer is hot and humid with average highs around 85° F. Winter can be cold, windy, and snowy with highs averaging 30° F or lower. Rain and thunderstorms are most frequent in the spring and summer.
Park overview text courtesy of the National Park Service — official park site.
Frequently Asked Questions
February offers best overall balance of crowds, weather and daylight at Herbert Hoover National Historic Site. The park is busiest in August (about 1.8× the average month) and quietest in February.
August is the busiest month at Herbert Hoover National Historic Site, running roughly 1.8 times the park's average monthly visitation.
February is the quietest month at Herbert Hoover National Historic Site, at about 0.6× the average month — a good choice if you want to avoid crowds.
Herbert Hoover National Historic Site recorded about 106,672 recreation visits in 2025. Visitation has been falling over the past decade (-12.8%).
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Sources: National Park Service Visitor Use Statistics (1979–2025). Crowd index = a month's visits ÷ the park's average month.