Roger Williams National Memorial in March
March at Roger Williams National Memorial averages a daytime high near 48°F and an overnight low around 30°F, with about 4.9" of precipitation and roughly 6" of snow. Visitation runs about 0.5× the park's average month, which makes March a very quiet month here.
- Average low
- 30°F
- Average high
- 48°F
Range across the year: 22°F to 84°F
- Precipitation
- 4.9 in
- Snowfall
- 6 in
- Daylight
- 11.7 hours
Roughly 4% of the park's yearly visitors come in March: roughly 2,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes March the 9th-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 March rates 40/100 ("Poor"). Our recommended month is May: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 39°F is cool, so layers and a shorter daylight window matter. These figures are 1991–2020 NOAA climate normals from the nearest station, about 7.5 miles from the park.
Because June, July and August together draw about 42% of annual visitors, choosing March instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 11.7 hours of daylight in March to explore — between the 9-hour midwinter low and the 15-hour summer high.
Park-wide, 2025 drew 38,959 recreation visits, down 9.9% from 43,242 in 2024.
Across the past decade overall visitation has eased about 41.4%, so March may feel a touch quieter than it once did.
How March compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| February | 41°F / 24°F | 0.3× Very quiet | 43 Poor |
| March | 48°F / 30°F | 0.5× Very quiet | 40 Poor |
| April | 59°F / 40°F | 0.9× Average | 52 Fair |
All twelve months at Roger Williams, with the best time to visit.
Frequently Asked Questions
March averages a daytime high near 48°F and an overnight low around 30°F at Roger Williams National Memorial, with about 4.9 inches of precipitation and roughly 6 inches of snow. These are 1991–2020 NOAA climate normals from the nearest station, about 7.5 miles from the park, so conditions inside the park can differ, especially at other elevations.
March is very quiet at Roger Williams National Memorial (about 0.5× the average month). Our best-time score rates it "Poor" at 40/100. Our recommended month is May.
The busiest month is July and the quietest is January. March sits at about 0.5× the park's average, or 4% of annual visitation.
A typical March sees about 2,000 recreation visits at Roger Williams National Memorial, based on National Park Service monthly counts from 1979–2025.
Where to stay near Roger Williams in March
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See the full ranking of the best national parks to visit in March.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.