Frederick Law Olmsted National Historic Site in June
June at Frederick Law Olmsted National Historic Site averages a daytime high near 79°F and an overnight low around 58°F, with about 4.2" of precipitation. Visitation runs about 1.2× the park's average month, which makes June a busy month here.
- Average low
- 58°F
- Average high
- 79°F
Range across the year: 19°F to 85°F
- Precipitation
- 4.2 in
- Daylight
- 15.1 hours
Roughly 10% of the park's yearly visitors come in June: about 940 recreation visits in a typical year, based on National Park Service monthly counts from 1981 to 2025.
That makes June the 5th-busiest of the park's twelve months, sitting between the July peak (1.8×) and the January low (0.2×).
On our Best Time to Visit score June rates 67/100 ("Good"). Our recommended month is May: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 68°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 1.5 miles from the park.
June falls inside the park's busiest stretch: June, July and August together pull about 39% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 15.1 hours of daylight in June to explore — near the year-round maximum.
Park-wide, 2025 drew 7,240 recreation visits, down 45.2% from 13,218 in 2024.
Across the past decade overall visitation has risen about 25.3%, so a June visit is likely to feel busier than it did a few years ago.
How June compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| May | 69°F / 48°F | 0.9× Average | 63 Good |
| June | 79°F / 58°F | 1.2× Busy | 67 Good |
| July | 85°F / 64°F | 1.8× Very busy | 46 Fair |
All twelve months at Frederick Law Olmsted, with the best time to visit.
Frequently Asked Questions
June averages a daytime high near 79°F and an overnight low around 58°F at Frederick Law Olmsted National Historic Site, with about 4.2 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 1.5 miles from the park, so conditions inside the park can differ, especially at other elevations.
June is busy at Frederick Law Olmsted National Historic Site (about 1.2× the average month). Our best-time score rates it "Good" at 67/100. Our recommended month is May.
The busiest month is July and the quietest is January. June sits at about 1.2× the park's average, or 10% of annual visitation.
A typical June sees about 1,000 recreation visits at Frederick Law Olmsted National Historic Site, based on National Park Service monthly counts from 1981–2025.
Where to stay near Frederick Law Olmsted in June
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See the full ranking of the best national parks to visit in June.
Source: National Park Service Visitor Use Statistics (1981–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.