Climateby Month

Flagstaff, AZ weather in June

NOAA 1991-2020 normals and daily records · Flagstaff all year

June in Flagstaff: mild and dry. Highs 79°F, lows 43°F, about 2 days with rain. A great month for outdoor plans.

Normal high
79°F
Normal low
43°F
Wet days
2
0.3 in total
Daylight
14.5 h

How June changes from start to finish

Normal values at the start and end of June
June 1June 30
Normal high75°F82°F
Normal low38°F48°F
Chance of a wet day10%18%
Sunrise / sunset5:13 am / 7:35 pm5:15 am / 7:45 pm
Daylight14.4 h14.5 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 June day

  1. 6 am43°Fdew point 26°F
  2. 9 am71°Fdew point 29°F
  3. Noon77°Fdew point 27°F
  4. 3 pm80°Fdew point 26°F
  5. 6 pm77°Fdew point 25°F
  6. 9 pm60°Fdew point 24°F

NOAA hourly normals (local standard time) from Grand Canyon NP Airport (59 mi away); average wind 7 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)15 of 30
  • Hot dayshigh 90°F or more1 of 30
  • Wet daysat least 0.01 in of rain or melted snow2 of 30
  • Notable rainat least 0.10 in1 of 30
  • Freezing nightslow 32°F or below2 of 30
  • Snow on the groundsnow depth 1 in or more0 of 30

Average days per June, counted from daily records for each year 1991-2020.

Rain in June

Normal precipitation is 0.3 in; a dry June brings about 0.0 in and a wet one about 0.4 in (25th and 75th percentiles). Days with half an inch or more are rare. Snow is very rare.

How June varies from year to year

  • Warmest June, 1991-20202013: average high 84°F
  • Coolest June2009: average high 73°F
  • Wettest June2015: 1.7 in
  • Driest June1996: no measurable precipitation
  • Highest reading96°F (June 28, 2013)
  • Lowest reading24°F (June 18, 1995)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

June compared with May and July

MayJuneJuly
Normal high68°F79°F82°F
Normal low35°F43°F51°F
Wet days5212
Comfortable days201511
Daylight14.0 h14.5 h14.3 h

Highs change by +11°F from May and +3°F into July.

Nearby alternatives in June

How Flagstaff ranks in June

  • Normal high260th warmest of 378 cities; 13th of 13 in Arizona
  • Wet days72nd driest of 378

What to pack for Flagstaff in June

  • Layers – afternoons near 79°F but nights near 43°F
  • Sunglasses and sunscreen – about 14.5 hours of daylight and highs near 79°F

Frost in June

The last spring frost typically comes around Jun 4; in 1 year in 10 it comes after Jun 19. All frost dates for Flagstaff.

Heating and cooling

June has 148 heating degree days and 22 cooling degree days (base 65°F), 2% of the year's total heating and cooling demand.

Questions

How hot is Flagstaff in June?

The normal high is 79°F and the normal low is 43°F. From 1991 to 2020 the hottest June reading was 96°F (June 28, 2013).

Does it rain a lot in Flagstaff in June?

About 2 days in June have at least 0.01 in of precipitation, and the normal total is 0.3 in. The wettest June in 1991-2020 was in 2015 (1.7 in); the driest was in 1996, with no measurable precipitation.

Is June a good time to visit Flagstaff?

June ranks 3rd of 12 months on our comfort score for Flagstaff (77 out of 100). It has about 15 comfortable days (judged by temperature only) and about 1 day 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).