Flagstaff in July

In July, Flagstaff averages 28°C (83°F) during the day and 16°C (60°F) at night, with around 13 days of rain (72 mm total).

High season

Conditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.

July offers comfortable temperatures in Flagstaff, with some rain to plan around.

28°C
Avg high
16°C
Avg low
13
Rain days
72 mm
Rainfall

How July compares to the rest of the year in Flagstaff

1st
warmest month of the 12
1st
wettest month of the 12
15%
of yearly rainfall falls in July
14 h 18 min
daylight on the 15th

July is one of the warmest months in Flagstaff (1st of 12) and one of the wettest months (1st of 12). Daytime temperature runs 11°C above the annual average (17°C). July runs 1°C warmer than June (28°C) and cools 2°C in August (27°C).

July sunrise & sunset in Flagstaff

🌅
Sunrise (15th)
5:23 AM
🌇
Sunset (15th)
7:41 PM
Day length
14 h 18 min

Times shown for Flagstaff local time (America/Phoenix), calculated for the 15th of July. They shift by a few minutes day to day across the month.

Photography light in Flagstaff — July

Golden-hour and blue-hour windows for the 15th of July, in Flagstaff's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:23 AM – 5:03 AM
🌄 Golden hour (AM)
5:03 AM – 6:03 AM
🌇 Golden hour (PM)
7:01 PM – 8:01 PM
🌆 Blue hour (PM)
8:01 PM – 8:41 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Flagstaff in July

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on July's tier (High season) and Flagstaff's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — July in Flagstaff

High season

This is a busy month in Flagstaff — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: comfortable tourism weather Northern Hemisphere summer holidays

Sun & mosquito risk — July in Flagstaff

☀️ UV Index (noon, 15th)
12.5
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●○
High
Peak mosquito activity. DEET 30%+, long sleeves at dawn/dusk, sleep under nets if rural.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Flagstaff in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 6°C / 42°F -4°C / 24°F 48 mm 7
February 8°C / 46°F -3°C / 26°F 44 mm 5
March 11°C / 51°F -1°C / 31°F 51 mm 7
April 17°C / 62°F 3°C / 38°F 15 mm 4
May 20°C / 68°F 7°C / 44°F 30 mm 7
June 28°C / 82°F 13°C / 56°F 11 mm 3
July 28°C / 83°F 16°C / 60°F 72 mm 13
August 27°C / 80°F 15°C / 58°F 71 mm 12
September 24°C / 75°F 12°C / 54°F 39 mm 7
October 18°C / 64°F 6°C / 43°F 27 mm 6
November 12°C / 53°F 1°C / 34°F 29 mm 4
December 6°C / 44°F -3°C / 27°F 41 mm 6

Other cities with similar July weather

🌍 See the full ranked list of climate twins for Flagstaff in July →

Frequently asked questions

How hot is Flagstaff in July?

In July, Flagstaff averages a high of 28°C (83°F) and a low of 16°C (60°F) — generally warm.

Does it rain a lot in Flagstaff in July?

July can be fairly wet in Flagstaff, with about 13 rainy days on average.

Is July a good time to visit Flagstaff?

July is warm. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Flagstaff in July?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full July packing list for Flagstaff for a complete, climate-based checklist.

Open Flagstaff on the interactive map

Check the live 10-day forecast and sunrise/sunset.