Thomas Edison National Historical Park in December
December at Thomas Edison National Historical Park averages a daytime high near 43°F and an overnight low around 27°F, with about 3.4" of precipitation. Visitation runs about 0.9× the park's average month, which makes December an average month here.
- Average low
- 27°F
- Average high
- 43°F
Range across the year: 21°F to 86°F
- Precipitation
- 3.4 in
- Daylight
- 9.1 hours
Roughly 7% of the park's yearly visitors come in December: roughly 3,500 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes December the 7th-busiest of the park's twelve months, sitting between the August peak (1.6×) and the January low (0.6×).
On our Best Time to Visit score December rates 34/100 ("Poor"). Our recommended month is September: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 35°F is cool, so layers and a shorter daylight window matter. These figures are 1991–2020 NOAA climate normals from the nearest station, about 4.1 miles from the park.
Because June, July and August together draw about 37% of annual visitors, choosing December instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 9.1 hours of daylight in December to explore — near the year-round minimum.
Park-wide, 2021 drew 14,807 recreation visits, down 64.9% from 42,224 in 2019.
Across the past decade overall visitation has eased about 15.6%, so December may feel a touch quieter than it once did.
How December compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| November | 53°F / 34°F | 1.0× Average | 39 Poor |
| December | 43°F / 27°F | 0.9× Average | 34 Poor |
| January | 38°F / 21°F | 0.6× Quiet | 43 Poor |
All twelve months at Thomas Edison, with the best time to visit.
Frequently Asked Questions
December averages a daytime high near 43°F and an overnight low around 27°F at Thomas Edison National Historical Park, with about 3.4 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 4.1 miles from the park, so conditions inside the park can differ, especially at other elevations.
December is average at Thomas Edison National Historical Park (about 0.9× the average month). Our best-time score rates it "Poor" at 34/100. Our recommended month is September.
The busiest month is August and the quietest is January. December sits at about 0.9× the park's average, or 7% of annual visitation.
A typical December sees about 3,000 recreation visits at Thomas Edison National Historical Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Thomas Edison in December
Booking a December trip to Thomas Edison National Historical Park? Compare hotels, cabins and vacation rentals near the park with live December availability and prices.
Top-rated places to stay near Thomas Edison
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See the full ranking of the best national parks to visit in December.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.