The best time to visit Petrified Forest is generally March, April, May, June, September and October. It is a national park in Arizona. It is a certified dark-sky park, prized for stargazing on clear nights.
March, April, May, June, September and October tend to bring the best balance of weather, access and conditions. Around then, daytime highs average about 89°F and overnight lows near 62°F.
Petrified Forest National Park is a semi-arid grassland. Temperatures range from above 100° F (38° C) to well below freezing. About 10 inches (25.4 cm) of moisture comes during infrequent snow in the winter and often dramatic summer thunder-storms. Animals and plants are adapted to extremes in temperature and moisture. You should be ready too. Check out the forecast before you arrive and plan accordingly.
Petrified Forest is a certified dark-sky park. Skies are typically clearest in April, May, June, September, October and November.
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