Petrified Forest National Park Climate and Average Weather
Climate of Petrified Forest National Park: average temperatures, rainfall and seasons month by month.
Climate in Petrified Forest National Park month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 45° | 25° | 0,8 in | ★★★☆☆ |
| February | 57° | 33° | 0,7 in | ★★★☆☆ |
| March | 64° | 37° | 0,9 in | ★★★★☆ |
| April | 68° | 41° | 0,8 in | ★★★★☆ |
| May | 78° | 51° | 0,3 in | ★★★★★ |
| June | 91° | 63° | 0,6 in | ★★★★★ |
| July | 92° | 66° | 1,1 in | ★★★★★ |
| August | 91° | 66° | 0,4 in | ★★★★★ |
| September | 83° | 58° | 0,3 in | ★★★★★ |
| October | 73° | 48° | 1,0 in | ★★★★☆ |
| November | 58° | 35° | 1,0 in | ★★★☆☆ |
| December | 50° | 29° | 0,3 in | ★★★☆☆ |
Climate type: Semi-arid. Source: Open-Meteo archive (ERA5).
Recent extremes in Petrified Forest National Park
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Petrified Forest National Park compares with nearby places
Annual averages, and the difference against Petrified Forest National Park.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Slide Rock State Park | 110 mi | 58°F | about the same | 16 in |
| Sedona | 111 mi | 61°F | +35°F warmer | 14 in |
| Monument Valley | 145 mi | 57°F | 33°F cooler | 6 in |
| Colorado River | 154 mi | 65°F | +38°F warmer | 11 in |
| Grand Canyon (UNESCO World Heritage Site) | 154 mi | 65°F | +38°F warmer | 11 in |
Best time to visit Petrified Forest National Park
Go in May, June, July, August, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What this means for Petrified Forest National Park
Today is about average for August. The forecast high of 91°F is in line with the 91°F typical for this month.
A 28% chance means most of the area stays dry; a passing shower is possible but short.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 78°F.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- Avoid long hikes after mid-morning; start at dawn or leave it for a cooler day.
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Petrified Forest National Park is a national park in Arizona. Petrified Forest National Park is a US national park known for fossil logs and the Painted Desert.
Right now it is 73°F (23°C) in Petrified Forest National Park with overcast. It feels like 71°F. Today runs from 66°F to 91°F. Chance of precipitation is 28%. Sightseeing conditions score 8.6/10 - excellent - go now.
The best time to visit Petrified Forest National Park is May, June, July, August, September and October. The climate is semi-arid. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 92°F, while January is the coldest with lows near 25°F.
The closest major airport is Phoenix Sky Harbor International Airport (PHX), about 162 mi away. Nearby highlights include Slide Rock State Park, Monument Valley, Grand Canyon (UNESCO World Heritage Site) and Colorado River.
In plain terms. Today is about average for August. The forecast high of 91°F is in line with the 91°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Petrified Forest National Park today at 8.8/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Petrified Forest National Park
| Type | National park |
|---|---|
| State | Arizona |
| Country | United States |
| Continent | North America |
| Coordinates | 34°54′36″N 109°48′24.5″W (34.91, -109.8068) |
| Established | 1962 |
| Known for | fossil logs and the Painted Desert |
| Local time | 4:53 AM (UTC-07:00) |
| Best months | May, June, July, August, September and October |
| Climate | Semi-arid |
Weather map for Petrified Forest National Park
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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Petrified Forest National Park
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Climate for related places
Frequently asked questions
Where is Petrified Forest National Park?
Petrified Forest National Park is a national park in Arizona. Its coordinates are 34.91, -109.8068. It lies in North America.
What is the weather like in Petrified Forest National Park right now?
It is currently 73°F (23°C) with overcast. Humidity is 60% and wind is 13 mph.
When is the best time to visit Petrified Forest National Park?
May, June, July, August, September and October offer the most comfortable conditions in Petrified Forest National Park, which has a semi-arid climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Petrified Forest National Park in?
Petrified Forest National Park observes America/Phoenix (UTC-07:00). The local time is 4:53 AM.
What is the nearest airport to Petrified Forest National Park?
The closest airports are Phoenix Sky Harbor International Airport (PHX), 162 mi away.
What are the top things to do in Petrified Forest National Park?
Popular options include Slide Rock State Park, Monument Valley, Grand Canyon (UNESCO World Heritage Site), Colorado River, Grand Canyon National Park and Antelope Canyon.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 23, 2026 at 4:53 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
