Flagstaff, AZ weather in July
Expect warm weather with frequent rain in Flagstaff in July, with highs near 82°F and lows near 51°F. Rain falls on about 12 days. It is one of the warmest months in Flagstaff.
- Normal high
- 82°F
- Normal low
- 51°F
- Wet days
- 12
- 2.6 in total
- Daylight
- 14.3 h
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 82°F | 81°F |
| Normal low | 48°F | 53°F |
| Chance of a wet day | 25% | 43% |
| Sunrise / sunset | 5:15 am / 7:45 pm | 5:35 am / 7:31 pm |
| Daylight | 14.5 h | 13.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Arizona time (no daylight saving)).
A typical July day
- 6 am51°Fdew point 41°F
- 9 am74°Fdew point 44°F
- Noon81°Fdew point 42°F
- 3 pm81°Fdew point 41°F
- 6 pm79°Fdew point 41°F
- 9 pm65°Fdew point 42°F
NOAA hourly normals (local standard time) from Grand Canyon NP Airport (59 mi away); average wind 5 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)11 of 31
- Hot dayshigh 90°F or more2 of 31
- Wet daysat least 0.01 in of rain or melted snow12 of 31
- Notable rainat least 0.10 in6 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 2.6 in; a dry July brings about 1.5 in and a wet one about 3.4 in (25th and 75th percentiles). About 2 days bring half an inch or more.
How July varies from year to year
- Warmest July, 1991-20202003: average high 86°F
- Coolest July1999: average high 77°F
- Wettest July2013: 7.6 in
- Driest July1993: no measurable precipitation
- Highest reading96°F (July 4, 2007)
- Lowest reading33°F (July 1, 2004)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 79°F | 82°F | 79°F |
| Normal low | 43°F | 51°F | 51°F |
| Wet days | 2 | 12 | 13 |
| Comfortable days | 15 | 11 | 17 |
| Daylight | 14.5 h | 14.3 h | 13.4 h |
Highs change by +3°F from June and -3°F into August.
Nearby alternatives in July
- Warmer: Sedona, AZ24 mi · high 97°F · 6 wet days
- Drier: Sedona, AZ24 mi · high 97°F · 6 wet days
How Flagstaff ranks in July
- Normal high300th warmest of 378 cities; 13th of 13 in Arizona
- Wet days315th driest of 378
What to pack for Flagstaff in July
- Layers – afternoons near 82°F but nights near 51°F
- A rain jacket or umbrella – rain on about 12 days
- Sunglasses and sunscreen – about 14.3 hours of daylight and highs near 82°F
Heating and cooling
July has 23 heating degree days and 76 cooling degree days (base 65°F), 1% of the year's total heating and cooling demand.
Questions
How hot is Flagstaff in July?
The normal high is 82°F and the normal low is 51°F. From 1991 to 2020 the hottest July reading was 96°F (July 4, 2007).
Does it rain a lot in Flagstaff in July?
About 12 days in July have at least 0.01 in of precipitation, and the normal total is 2.6 in. The wettest July in 1991-2020 was in 2013 (7.6 in); the driest was in 1993, with no measurable precipitation.
Is July a good time to visit Flagstaff?
July ranks 6th of 12 months on our comfort score for Flagstaff (67 out of 100). It has about 11 comfortable days (judged by temperature only) and about 2 days at 90°F or hotter. The best months are May and September.
Where the numbers come from
- Temperature, rain, snowfall and frost dates: Flagstaff Pulliam Airport (USW00003103), 3.8 mi SSW of the city center, 7,003 ft (103 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snow depth: Sunset Crater Nm (USC00028329), 13 mi NNE of the city center, 6,980 ft (80 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Grand Canyon NP Airport (USW00003195), 59 mi NNW of the city center, 6,606 ft (294 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Not available for this location: cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).