Updated October 2026
Adams National Historical Park Weather by Month
Adams National Historical Park is warmest in July, when the nearest NOAA climate station averages a high of 83°F and a low of 63°F, and coldest in January, with an average high of 38°F and an average low of 22°F. March is the wettest month, with about 5.4 inches of precipitation. Snowfall is heaviest in January, at about 15 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, 5.4 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Adams National Historical Park can differ from these, particularly with elevation.
Warmest month
Jul
83°F avg high
Coldest month
Jan
22°F avg low
Wettest month
Mar
5.4 in avg
Snowiest month
Jan
14.8 in avg
Longest days
Jun
15.1 h of daylight
Average weather at Adams by month
| Month | Avg high | Avg low | Precipitation | Snowfall | Daylight |
|---|---|---|---|---|---|
| January | 38°F | 22°F | 4.5 in | 14.8 in | 9.2 h |
| February | 40°F | 23°F | 4.0 in | 14.5 in | 10.3 h |
| March | 47°F | 29°F | 5.4 in | 10.3 in | 11.7 h |
| April | 58°F | 38°F | 4.6 in | 1.7 in | 13.2 h |
| May | 69°F | 48°F | 3.8 in | 0.0 in | 14.4 h |
| June | 77°F | 57°F | 4.0 in | 0.0 in | 15.1 h |
| July | 83°F | 63°F | 3.6 in | 0.0 in | 14.8 h |
| August | 82°F | 62°F | 3.8 in | 0.0 in | 13.7 h |
| September | 74°F | 55°F | 3.9 in | 0.0 in | 12.3 h |
| October | 63°F | 44°F | 5.2 in | 0.1 in | 10.8 h |
| November | 52°F | 35°F | 4.4 in | 0.7 in | 9.5 h |
| December | 43°F | 27°F | 5.1 in | 8.8 in | 8.9 h |
| Year total | 52.3 in | 50.9 in |
NOAA 1991–2020 climate normals from station USC00193624, 5.4 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Adams is at that time of year.
Adams weather by season
Winter: December to February
Average highs bottom out at 38°F in January, between 43°F in December and 40°F in February, with average lows between 22°F and 27°F. The average low is at or below freezing in all three months. Together the three months average 13.6 inches of precipitation, about 26% of the yearly total. Snowfall averages about 38 inches for the season. Daylight is at its shortest, about 8.9 hours in December.
Spring: March to May
Average highs climb from 47°F in March to 69°F in May, with average lows between 29°F and 48°F. The average low is at or below freezing in March. Together the three months average 13.8 inches of precipitation, about 26% of the yearly total and more than in any other season. Snowfall averages about 12 inches for the season, most of it in March. Daylight lengthens from about 11.7 hours in March to 14.4 in May.
Summer: June to August
Average highs peak at 83°F in July, between 77°F in June and 82°F in August, with average lows between 57°F and 63°F. Together the three months average 11.4 inches of precipitation, about 22% of the yearly total and less than in any other season. Daylight is at its longest, about 15.1 hours in June.
Fall: September to November
Average highs fall from 74°F in September to 52°F in November, with average lows between 35°F and 55°F. Together the three months average 13.5 inches of precipitation, about 26% of the yearly total. Snowfall averages about 0.8 inches for the season. Daylight shortens from about 12.3 hours in September to 9.5 in November.
What the National Park Service says about the weather
Be prepared for hot, humid weather during the summer months. The historic homes are not air conditioned. While the visitor center remains open all year, the historic homes are generally closed from approximately November 1 through April 30. Winters in New England often feature low temperatures and snowy/icy conditions. Please exercise caution when visiting the park. The Visitor Center may close during inclement weather.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Adams
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 42.26°N, 71.01°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 Adams National Historical Park →
Weather and crowds together
July is both the warmest month and the busiest, with about 2.6× 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 Adams National Historical Park. For hotels, cabins and rentals close to the park, see where to stay near Adams.
Where to stay near Adams
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Top-rated places to stay near Adams
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Frequently Asked Questions
July is the warmest month at Adams National Historical Park, with an average high of 83°F and an average low of 63°F. That is the 1991–2020 average at the nearest long-record NOAA station, 5.4 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Adams National Historical Park, with an average low of 22°F and an average high of 38°F, based on NOAA 1991–2020 climate normals.
March is the wettest month, with about 5.4 inches of precipitation. July is the driest, at about 3.6 inches. The station records about 52.3 inches of precipitation in an average year.
Yes. The nearest long-record NOAA station, 5.4 miles from the park's reference point, averages about 51 inches of snow a year. January is the snowiest month, at about 15 inches. The station averages at least a tenth of an inch of snow in 7 of the 12 months.
Weather at nearby parks
8 mi away · warmest in July (82°F)
8 mi away · warmest in July (82°F)
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9 mi away · warmest in July (85°F)
10 mi away · warmest in July (85°F)
15 mi away · warmest in July (84°F)
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00193624), 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.