Climate and monthly weather forecast
Petrified Forest National Park, AZ

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Petrified rock pieces in the Petrified Forest National Park, Arizona
Petrified rock pieces in the Petrified Forest National Park, Arizona

Weather in January

January, like December, is another chilly winter month in Petrified Forest National Park, Arizona, with an average temperature fluctuating between 21°F (-6.1°C) and 48°F (8.9°C). The coldest period is January, when temperatures fluctuate between an average high of 48°F (8.9°C) and a low of 21°F (-6.1°C). Weather in January »

Weather in February

February, the last month of the winter in Petrified Forest National Park, is a cool month, with temperature in the range of an average low of 25°F (-3.9°C) and an average high of 55°F (12.8°C). With the beginning of February, Petrified Forest National Park's average high-temperature sees a minor increase, transitioning from a frosty 48°F (8.9°C) in January to a fresh 55°F (12.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a refreshing month in Petrified Forest National Park, Arizona, with an average temperature varying between 28.9°F (-1.7°C) and 62.1°F (16.7°C). March's arrival coincides with a subtle temperature rise, moving from February's fresh 55°F (12.8°C) to a comfortable 62.1°F (16.7°C). Weather in March »

Weather in April

April in Petrified Forest National Park, Arizona, is a pleasant spring month, with an average temperature ranging between max 70°F (21.1°C) and min 35.1°F (1.7°C). Petrified Forest National Park's weather in April presents a minor rise in the average high-temperature, moving from a comfortable 62.1°F (16.7°C) in March to a pleasant 70°F (21.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Petrified Forest National Park, Arizona, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 43°F (6.1°C). The arrival of May signals an increase in the average high-temperature, moving from an agreeable 70°F (21.1°C) in April to a moderately hot 79°F (26.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Petrified Forest National Park, Arizona, with an average temperature fluctuating between 90°F (32.2°C) and 52°F (11.1°C). With the onset of June, the average high-temperature slightly shifts from May's moderately hot 79°F (26.1°C) to a tropical 90°F (32.2°C). Weather in June »

Weather in July

July, the same as June, in Petrified Forest National Park, Arizona, is another tropical summer month, with an average temperature varying between 60.1°F (15.6°C) and 91.9°F (33.3°C). Petrified Forest National Park's July weather, with an average high temperature of 91.9°F (33.3°C) and an average low temperature of 60.1°F (15.6°C), tends to be the warmest of the year. Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Petrified Forest National Park, Arizona, with an average temperature fluctuating between 90°F (32.2°C) and 59°F (15°C). Petrified Forest National Park greets August with an average high-temperature of a still tropical 90°F (32.2°C), marking a slight deviation from the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Petrified Forest National Park, Arizona, with an average temperature fluctuating between 84°F (28.9°C) and 52°F (11.1°C). The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a hot 90°F (32.2°C) in August to a moderately hot 84°F (28.9°C). Weather in September »

Weather in October

October, the same as September, in Petrified Forest National Park, Arizona, is an agreeable autumn month, with temperature in the range of an average high of 72°F (22.2°C) and an average low of 39.9°F (4.4°C). The onset of October introduces a moderate change in Petrified Forest National Park's weather, with average high-temperatures falling from September's warm 84°F (28.9°C) to an agreeable 72°F (22.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Petrified Forest National Park, is another refreshing month, with an average temperature varying between 59°F (15°C) and 28°F (-2.2°C). In Petrified Forest National Park, entering November brings a temperature decrement, reducing from October's agreeable 72°F (22.2°C) to a moderate 59°F (15°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Petrified Forest National Park, Arizona, with temperature in the range of an average high of 48.9°F (9.4°C) and an average low of 21°F (-6.1°C). A moderate decline in the average high-temperature is seen during December, decreasing from a mild 59°F (15°C) in November to a chilly 48.9°F (9.4°C). Weather in December »
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January, with its high-temperature average of 48°F (8.9°C) and a low-temperature average of 21°F (-6.1°C), is the coldest month.

How much does it rain?

Throughout the year, 10.55" (268mm) of rain is accumulated.

What is the driest month?

June is the month with the least rainfall in Petrified Forest National Park, with 0.31" (8mm) of accumulated precipitation.

When are the longest days?

The month with the longest days is June, with an average of 14h and 30min of daylight.

What is the hottest time of year?

The temperatures reach their highest averages in July, with highs of 91.9°F (33.3°C) and lows of 60.1°F (15.6°C).

What is the rainiest month?

August is the month with the most rainfall, with 1.61" (41mm) of accumulated precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

Is there Daylight Saving Time (DST)?

Petrified Forest National Park, Arizona, does not utilize Daylight Saving Time (DST). MST timezone is used over the entire year.

Average rainfall
Petrified Forest National Park, AZ

Average rainfall - Petrified Forest National Park, AZ

The wettest month (with the highest rainfall) is August (1.6").
The driest month (with the least rainfall) is June (0.3").

Average daylight
Petrified Forest National Park, AZ

Average daylight - Petrified Forest National Park, AZ

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

Petrified Forest National Park, Arizona, USA

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