May is a good month at Petrified Forest — it ranks 8th of the twelve here. Expect about 9% fewer visitors than June, the park's peak — 58,041 visits on average. Days run around 78°F by afternoon and 44°F at night, with 14 hours of daylight.
May against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| May (this page) | Good | 58,041 | −9% | 78°F | 44°F | 0" | 14 h |
| February (best) | Excellent | 21,056 | −67% | 53°F | 25°F | 0.1" | 10.9 h |
| June (peak crowds) | Tough | 63,918 | peak | 89°F | 53°F | 0" | 14.5 h |
Weather figures are for the Painted Desert Visitor Center area — the Painted Desert NP station. Visits are 2021–2025 averages; climate normals cover 1991–2020. Conditions vary across the park; check current status before you go.
Common questions
Is May a good time to visit Petrified Forest?
It is a reasonable month — the park has stronger ones, but the records don't argue against it. May ranks 8 of 12 at Petrified Forest on crowds, weather, daylight, and access together.
How crowded is Petrified Forest in May?
About 58,041 recreation visits on average — 9% below June, the park's peak.
How warm is Petrified Forest in May?
Average highs around 78°F and lows around 44°F at the Painted Desert NP station.
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