Best Time to Visit Frederick Law Olmsted National Historic Site
MayBest month to visit
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Visit Frederick Law Olmsted in May
May offers pleasant weather with noticeably thinner crowds (shoulder season). For comparison, July is the most crowded month (~1.8× the average month) and January is the quietest.
Annual visits
7K
2025
Busiest month
Jul
1.8× avg
Quietest month
Jan
0.2× avg
10-yr trend
rising
+25.3%
More photos of Frederick Law Olmsted
Photos courtesy of the National Park Service (public domain).
How crowded is Frederick Law Olmsted by month?
Relative crowd level by month (1.0 = the park's average month), from NPS visitation records 1981–2025.
Month-by-month crowd, weather & daylight
| Month | Crowd level | Best-time score | Avg high / low | Daylight |
|---|---|---|---|---|
| January | Very quiet | 42 Poor | 37°F / 19°F | 9.2 h |
| February | Very quiet | 43 Poor | 40°F / 21°F | 10.3 h |
| March | Quiet | 41 Poor | 47°F / 28°F | 11.7 h |
| April | Average | 50 Fair | 59°F / 38°F | 13.2 h |
| May★ best | Average | 63 Good | 69°F / 48°F | 14.4 h |
| June | Busy | 67 Good | 79°F / 58°F | 15.1 h |
| July | Very busy | 46 Fair | 85°F / 64°F | 14.8 h |
| August | Very busy | 50 Fair | 83°F / 63°F | 13.7 h |
| September | Very busy | 46 Fair | 76°F / 55°F | 12.3 h |
| October | Busy | 36 Poor | 64°F / 43°F | 10.8 h |
| November | Quiet | 39 Poor | 53°F / 34°F | 9.5 h |
| December | Very quiet | 37 Poor | 42°F / 26°F | 8.9 h |
Climate normals (1991–2020) from the nearest NOAA station (USC00193890, ~1.5 mi away).
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About visiting Frederick Law Olmsted
Frederick Law Olmsted National Historic Site is a National Historic Site in MA and one of the system's hidden, low-traffic units, drawing about 7,000 recreation visits in 2025. Visitation has climbed over the past decade, up roughly 25.3%, so crowds are trending heavier each year. Crowds concentrate sharply by season: July is the busiest month at about 1.8× the park's average month, while January is the calmest at roughly 0.2× — a 9-to-1 swing between high and low season. Roughly 39% 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. Weather swings from an average high-season warmth near 74°F in July down to about 28°F in January, with the wettest stretch in December. About 6 months a year see comfortable average temperatures in the 50–80°F range, which is part of why crowd timing and weather timing don't always line up. The sweet spot is May: pleasant weather with noticeably thinner crowds (shoulder season). Visit then and you trade a little peak-season certainty for noticeably shorter lines and easier parking than the July rush. Daylight ranges from about 8.9 hours in midwinter to 15.1 hours near the summer solstice, which shapes how much ground you can cover in a day. These crowd figures are drawn from 1981–2025 of National Park Service visitor-use records, paired with 1991–2020 NOAA climate normals, and are updated as new monthly data is released.
Park overview
Frederick Law Olmsted (1822-1903) is recognized as the founder of American landscape architecture and the nation's foremost parkmaker. Olmsted moved his home to suburban Boston in 1883 and established the world's first full-scale professional office for the practice of landscape design. During the next century, his sons and successors perpetuated Olmsted's design ideals, philosophy, and influence.
Weather & conditions
Summer: Warm temperatures, average high temperature around 80 degrees Fahrenheit, often with humidity. July and August bring the hottest temperatures. Fall: Cooler temperatures, mean temperatures between 45 and 65 degrees Fahrenheit, sometimes rainy. Peak fall foliage is in mid-October. Winter: Cold, with snow, average low temperature around 25 degrees Fahrenheit. Spring: Cold to cool temperatures, average mean temperatures between 40 and 60 degrees Fahrenheit.
Park overview text courtesy of the National Park Service — official park site.
Where to stay near Frederick Law Olmsted
Hotels, cabins, lodges and vacation rentals near Frederick Law Olmsted National Historic Site — live availability and prices to plan your trip. May is our pick for the best balance of light crowds and good weather.
Top-rated places to stay near Frederick Law Olmsted
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Getting to Frederick Law Olmsted
The nearest airport is Logan International Airport (BOS), about 9 mi (22 min drive) away. Most visitors reach Frederick Law Olmsted by car.
Frequently Asked Questions
May offers pleasant weather with noticeably thinner crowds (shoulder season) at Frederick Law Olmsted National Historic Site. The park is busiest in July (about 1.8× the average month) and quietest in January.
July is the busiest month at Frederick Law Olmsted National Historic Site, running roughly 1.8 times the park's average monthly visitation.
January is the quietest month at Frederick Law Olmsted National Historic Site, at about 0.2× the average month — a good choice if you want to avoid crowds.
Frederick Law Olmsted National Historic Site recorded about 7,240 recreation visits in 2025. Visitation has been rising over the past decade (+25.3%).
Based on 1991–2020 climate normals, the warmest month at Frederick Law Olmsted National Historic Site averages about 74°F (July). See the month-by-month table above for the full picture.
Logan International Airport (BOS) is the closest airport to Frederick Law Olmsted National Historic Site, about 9 mi (22 min drive) away.
Nearby parks to visit
Keep exploring
Water quality of lakes near Frederick Law Olmsted
If you are planning to swim, paddle or fish on this trip, these graded lakes are within a 40-mile drive. Grades are A–F from EPA and state-agency sampling.
- South Reservoir water qualityGrade A · 8 mi · MA
- Ponkapoag Pond water qualityGrade A · 9 mi · MA
- Walden Pond water qualityGrade A · 13 mi · MA
- Sudbury Reservoir water qualityGrade A · 20 mi · MA
- Lake Pearl water qualityGrade A · 21 mi · MA
Beach water quality near Frederick Law Olmsted
Beaches within a 40-mile drive, graded on multi-year bacteria sampling from EPA BEACON — worth checking before you plan a swim day.
- Pleasure Bay water qualityGrade A · 6 mi · MA
- Merrymount water qualityGrade A · 8 mi · MA
- Whales water qualityGrade A · 15 mi · MA
- Sunrise water qualityGrade A · 28 mi · MA
- Green Harbor water qualityGrade A · 30 mi · MA
Sources: National Park Service Visitor Use Statistics (1981–2025), NOAA NCEI U.S. Climate Normals 1991–2020. Crowd index = a month's visits ÷ the park's average month.