Flagstaff weather in June

In June, Flagstaff sees average daytime highs of 78°F and overnight lows near 51°F, with 0.4 in of rain across 3 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 74°F in the first days to 82°F by the end. The sky is clear or mostly clear about 65% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of June to 14 h 24 min by month's end. Set against the rest of the year, June is Flagstaff's 1st-clearest and 3rd-windiest month. For the whole year in context, see Flagstaff's year-round climate.

Daytime high
78°
2nd warmest
Overnight low
51°
10th coldest
Rainfall
0.4 in
3 wet days
Daylight
14 h 24 min
5:16 AM – 7:38 PM
Cloud cover
28%
1st clearest
Wind
7 mph
3rd windiest
Solar energy
8.41 kWh/m²
Travel score
8.3
out of 10

Flagstaff is city in and county seat of Coconino County, Arizona, United States.

Density
425/km²
people per km²
Founded
1876

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 74°F in the first days to 82°F by the end.

A typical June day in Flagstaff reaches about 78°F in the afternoon and slips back to 51°F overnight — a 28°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 86°F. Set against its neighbours, June runs about 11°F warmer than May and about 2°F cooler than July.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17347
27447
37447
47547
57548
67548
77648
87649
97649
107749
117749
127750
137850
147850
157851
167951
177951
188052
198052
208052
218053
228153
238153
248154
258154
268254
278255
288255
298255
308255

How June really feels in Flagstaff

Once humidity and wind are folded in, June averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Flagstaff weather by month

How June compares with the rest of the year at a glance. June is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan41° / 22°1.86.35.69.90.1
Feb44° / 24°2.06.96.110.70.8
Mar50° / 28°1.97.35.111.72.6
Apr58° / 33°1.25.6312.94.9
May67° / 42°1.35.70.813.87.2
Jun78° / 51°0.43014.38.3
Jul80° / 57°4.514.8014.16.0
Aug77° / 55°5.016.4013.36.0
Sep72° / 50°2.38.8012.27.3
Oct62° / 40°1.35.20.911.16.4
Nov50° / 29°1.34.1310.12.9
Dec41° / 22°1.65.85.69.70.2

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in June, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of June, with mostly cloudy or overcast conditions the remaining 20%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17822
27822
37921
47921
58119
68119
78119
88218
98317
108317
118317
128416
138416
148416
158416
168416
178416
188416
198218
208218
218119
228119
237921
247921
257822
267624
277624
287426
297228
307030

Chance of precipitation in June

Any precipitation

Flagstaff gets around 0.4 in of rain over 3 wet days in June, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 12% and peaks near 21% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
112
211
311
411
510
610
710
810
910
1010
1110
129
139
149
159
169
179
189
1910
2010
2110
2211
2312
2413
2514
2615
2716
2818
2919
3021

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
29991
30991

Wind in June

Winds average 7 mph in June.

Across June, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 12 min at the start of June to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 5:18 AM to 5:19 AM, and sunset from 7:30 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:187:30
214.25:187:30
314.25:187:31
414.25:177:32
514.35:177:32
614.35:177:33
714.35:177:33
814.35:177:34
914.35:167:34
1014.35:167:35
1114.35:167:35
1214.35:167:36
1314.35:167:36
1414.35:167:37
1514.45:167:37
1614.45:167:38
1714.45:167:38
1814.45:167:38
1914.45:167:39
2014.45:177:39
2114.45:177:39
2214.45:177:39
2314.45:177:40
2414.45:177:40
2514.45:187:40
2614.45:187:40
2714.45:187:40
2814.45:187:40
2914.45:197:40
3014.45:197:40

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 8.41 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.08 kWh/m² to a high of 8.41 kWh/m² in June across the year — June's 8.41 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
18.3Intense
28.3Intense
38.3Intense
48.4Intense
58.4Intense
68.4Intense
78.4Intense
88.4Intense
98.4Intense
108.4Intense
118.4Intense
128.4Intense
138.4Intense
148.4Intense
158.4Intense
168.4Intense
178.4Intense
188.4Intense
198.4Intense
208.4Intense
218.4Intense
228.3Intense
238.3Intense
248.3Intense
258.2Intense
268.2Intense
278.2Intense
288.1Intense
298.1Intense
308.0Intense
Planning a trip in June

Hazard calendar for Flagstaff

In seasonPeak

None of Flagstaff's seasonal hazards are active in June. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Flagstaff's rainy season runs July–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Flagstaff?

Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.3
Sightseeing
1st-best month of the year
7.6
Beach & pool
1st-best month of the year

June is one of the better times to visit Flagstaff for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Flagstaff in June

From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In June, Flagstaff sees daytime highs around 78°F and nights near 51°F. Pack sun protection. Worth having: light clothes. About 3 days see rain.

sun protectionlight clothes

UV index in Flagstaff in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Flagstaff peaks around June 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 12Dec 17UV 3
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr6High
May8Very high
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Flagstaff in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Flagstaff is worst in June — around 23 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (December, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJun 1621 µg/m³Dec 216 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb6Good
Mar7Good
Apr10Good
May11Good
Jun23Moderate
Jul10Good
Aug8Good
Sep13Moderate
Oct16Moderate
Nov12Good
Dec5Good
Location & terrain

Where is Flagstaff?

Flagstaff sits at 35.2°N, 111.7°W, 6,903 ft above sea level, in United States. The nearest listed city is Sedona, 24 mi away.

Topography around Flagstaff

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Flagstaff.

Within 2 miles, the terrain around Flagstaff has only modest variations in elevation — a maximum elevation change of 643 ft around an average of 7,014 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 6,017 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,577 ft.

The land around Flagstaff is covered by trees (56%) and artificial surfaces (33%) within 2 miles, trees (76%) within 10 miles, and grassland (38%) and trees (36%) within 50 miles.

2 miles
643 ft
10 miles
6,017 ft
50 miles
9,577 ft
treesshrubsgrasslandartificial surfacesbare terrain
June weather nearby: Sedona 24 mi · Prescott Valley 55 mi · Prescott 65 mi · Grand Canyon 65 mi · Payson 70 mi · Anthem 96 mi · Deer Valley 108 mi · Fountain Hills 110 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Flagstaff (35.1981°, -111.6513°, elevation 6,903 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).