Flagstaff Weather, When to Go and Climate Information

(Flagstaff, Arizona - AZ, USA)

The weather and climate in Flagstaff is fairly hot and dry. Located in the center of Arizona, Flagstaff is actually noticeably cooler than many scorching parts of southwestern and southeastern Arizona.

Temperatures during Flagstaff's summer months between June to September peak at around 29°C / 84°F, compared to the nearby Grand Canyon. Lying around 80 miles / 128 km to the north of Flagstaff, sunny weather in the Grand Canyon can make temperatures soar to as much as 41°C / 106°F in July.


Typical of Arizona weather, the climate in Flagstaff is known as 'dry heat', where the air does not retain heat in the same way as more humid air. This means that the sunny summer weather in Flagstaff is actually quite comfortable, but that temperatures can drop dramatically at night, with hard nighttime frosts from November to March.

Heavy snowfalls and a much colder climate can be expected during Flagstaff's winter months, between mid-December to mid-April. This snowy weather provides excellent skiing facilities at the nearby Arizona Snowbowl ski resort on the San Francisco Peaks, close to Flagstaff.

The average annual rainfall / precipitation in Flagstaff is around cm 58 cm / 23 inches and the area's average annual snowfall in 266 cm / 105 inches.

Flagstaff Weather and Climate Chart (Averages)

The following are the normal daily temperature ranges for Flagstaff:

	Maximum	Minimum
January	6°C / 43°F	-9°C / 16°F
February	7°C / 45°F	-8°C / 18°F
March	10°C / 50°F	-6°C / 21°F
April	14°C / 57°F	-3°C / 27°F
May	20°C / 68°F	1°C / 34°F
June	26°C / 79°F	5°C / 41°F
July	29°C / 84°F	10°C / 50°F
August	26°C / 79°F	9°C / 48°F
September	23°C / 73°F	5°C / 41°F
October	17°C / 63°F	-1°C / 30°F
November	11°C / 52°F	-5°C / 23°F
December	6°C / 43°F	-9°C / 16°F