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Flagstaff, AZ — best months to visit

A pine-forest mountain town — Arizona Snowbowl above, Route 66 below.

Best ski months: January, February, December — a typical January brings about 21 inches of snow. Best summer months: May, June, September — cool days around 68°F.

Averages are the 1991–2020 climate normals (NOAA National Centers for Environmental Information) for the station named on each page. Rain days = days with at least 0.01 in of precipitation. Daylight is computed for the middle of the month.

All twelve months

Month	Score	Avg high	Avg low	Rain	Rain days	Daylight	Verdict
January ★ Best	71	43°	18°	2.05 in	7	10h 01m	A good month
February ★ Best	69	46°	20°	2.17 in	8	10h 51m	A good month
March	60	52°	24°	1.88 in	7	11h 52m	A shoulder month
April	42	59°	28°	0.89 in	5	13h 02m	An off month
May ★ Best	98	68°	35°	0.77 in	4	14h 00m	One of the best months
June ★ Best	97	79°	42°	0.30 in	2	14h 31m	One of the best months
July	79	82°	51°	2.61 in	12	14h 19m	A good month
August	79	79°	51°	3.04 in	13	13h 29m	A good month
September ★ Best	97	74°	42°	1.84 in	8	12h 21m	One of the best months
October	96	64°	32°	1.52 in	5	11h 14m	One of the best months
November	56	52°	23°	1.55 in	4	10h 16m	A shoulder month
December ★ Best	69	43°	17°	1.90 in	7	9h 48m	A good month

Score is rule-derived from the same normals — the rules are published on How we pick. Rain days = days with at least 0.01 in of precipitation.

January in Flagstaff: a good month (score 71 of 100)

Typical January days in Flagstaff reach about 43°F with nights near 18°F; about 21 inches of snow falls in a typical month.

• A real winter coat — typical nights drop below freezing, to about 18°F.
• Layers — afternoons run about 26° warmer than mornings.
• A compact rain layer — about 7 days see rain in a typical January.

Full January page →

February in Flagstaff: a good month (score 69 of 100)

Typical February days in Flagstaff reach about 46°F with nights near 20°F; about 19 inches of snow falls in a typical month.

• A real winter coat — typical nights drop below freezing, to about 20°F.
• Layers — afternoons run about 26° warmer than mornings.
• A compact rain layer — about 8 days see rain in a typical February.

Full February page →

May in Flagstaff: one of the best months (score 98 of 100)

Typical May days in Flagstaff reach about 68°F with nights near 35°F.

• An insulated coat, plus a hat and gloves for mornings.
• Layers — afternoons run about 33° warmer than mornings.
• Warm, waterproof boots for slush and snow days.

Full May page →

June in Flagstaff: one of the best months (score 97 of 100)

Typical June days in Flagstaff reach about 79°F with nights near 42°F; rain is rare.

• A warm jacket for evenings and early starts.
• Layers — afternoons run about 37° warmer than mornings.

Full June page →

September in Flagstaff: one of the best months (score 97 of 100)

Typical September days in Flagstaff reach about 74°F with nights near 42°F.

• A warm jacket for evenings and early starts.
• Layers — afternoons run about 32° warmer than mornings.
• A compact rain layer — about 8 days see rain in a typical September.

Full September page →

December in Flagstaff: a good month (score 69 of 100)

Typical December days in Flagstaff reach about 43°F with nights near 17°F; about 18 inches of snow falls in a typical month.

• A real winter coat — typical nights drop below freezing, to about 17°F.
• Layers — afternoons run about 26° warmer than mornings.
• A compact rain layer — about 7 days see rain in a typical December.

Full December page →

Print the Best Months Card