Aniakchak National Monument & Preserve in May
May at Aniakchak National Monument & Preserve averages a daytime high near 52°F and an overnight low around 33°F, with about 1.5" of precipitation. Visitation runs about 0.8× the park's average month, which makes May a quiet month here.
- Average low
- 33°F
- Average high
- 52°F
Range across the year: 10°F to 62°F
- Precipitation
- 1.5 in
- Daylight
- 16.2 hours
Roughly 7% of the park's yearly visitors come in May: about 90 recreation visits in a typical year, based on National Park Service monthly counts from 1989 to 2025.
That makes May the 6th-busiest of the park's twelve months, sitting between the September peak (3.7×) and the February low (0.1×).
May is our recommended month at Aniakchak: the lightest crowds of the park's good-weather months.
The daily average of about 43°F is cool, so layers and a shorter daylight window matter. These figures are 1991–2020 NOAA climate normals from the nearest station, about 111.5 miles from the park.
Because June, July and August together draw about 49% of annual visitors, choosing May instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 16.2 hours of daylight in May to explore — between the 6.5-hour midwinter low and the 17.5-hour summer high.
Park-wide, 1994 drew 1,193 recreation visits, down 25.1% from 1,593 in 1993.
Across the past decade overall visitation has risen about 60.8%, so a May visit is likely to feel busier than it did a few years ago.
How May compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| April | 43°F / 26°F | 0.3× Very quiet | 57 Fair |
| May | 52°F / 33°F | 0.8× Quiet | 63 Good |
| June | 59°F / 40°F | 0.8× Quiet | 69 Good |
All twelve months at Aniakchak, with the best time to visit.
Frequently Asked Questions
May averages a daytime high near 52°F and an overnight low around 33°F at Aniakchak National Monument & Preserve, with about 1.5 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 111.5 miles from the park, so conditions inside the park can differ, especially at other elevations.
May is quiet at Aniakchak National Monument & Preserve (about 0.8× the average month). Our best-time score rates it "Good" at 63/100. May is our recommended month for this park.
The busiest month is September and the quietest is February. May sits at about 0.8× the park's average, or 7% of annual visitation.
A typical May sees about 0,000 recreation visits at Aniakchak National Monument & Preserve, based on National Park Service monthly counts from 1989–2025.
Where to stay near Aniakchak in May
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Top-rated places to stay near Aniakchak
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See the full ranking of the best national parks to visit in May.
Source: National Park Service Visitor Use Statistics (1989–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.