Grand Junction weather in June

In June, Grand Junction sees average daytime highs of 82°F and overnight lows near 53°F, with 1.0 in of rain across 4.8 wet days and about 14.7 hours of daylight. It is the 3rd-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 77°F in the first days to 86°F by the end. The sky is clear or mostly clear about 54% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of June to 14 h 42 min by month's end. Set against the rest of the year, June is Grand Junction's 3rd-clearest and 1st-windiest month. For the whole year in context, see Grand Junction's year-round climate.

Daytime high
82°
3rd warmest
Overnight low
53°
10th coldest
Rainfall
1.0 in
4.8 wet days
Daylight
14 h 42 min
4:53 AM – 7:36 PM
Cloud cover
38%
3rd clearest
Wind
5 mph
1st windiest
Solar energy
8.07 kWh/m²
Travel score
7.0
out of 10

Grand Junction is city in and county seat of Mesa County, Colorado, United States.

Density
588/km²
people per km²
Founded
1882

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 77°F in the first days to 86°F by the end.

A typical June day in Grand Junction reaches about 82°F in the afternoon and slips back to 53°F overnight — a 29°F spread between the day's warmth and the night's chill. On most days the high lands between 71°F and 91°F. Set against its neighbours, June runs about 12°F warmer than May and about 5°F cooler than July.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17749
27749
37749
47849
57850
67950
77950
87951
98051
108051
118051
128152
138152
148252
158252
168253
178353
188353
198354
208454
218454
228455
238555
248555
258556
268656
278656
288657
298657
308757

How June really feels in Grand Junction

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.

Grand Junction weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan34° / 13°1.57.57.29.60.0
Feb39° / 19°1.798.110.50.0
Mar49° / 27°2.09.56.511.72.2
Apr58° / 34°2.09.73.8134.5
May70° / 44°1.98.80.614.16.8
Jun82° / 53°1.04.8014.77.0
Jul87° / 60°2.28.6014.55.1
Aug83° / 58°3.211.7013.55.9
Sep75° / 49°2.78.90.112.37.3
Oct62° / 37°2.08.11.6115.8
Nov47° / 25°1.774.99.91.6
Dec35° / 15°1.57.37.39.30.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 21% of June, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16832
26931
37129
47129
57129
67228
77228
87228
97327
107327
117327
127426
137426
147426
157525
167525
177525
187624
197624
207723
217723
227723
237822
247822
257822
267822
277723
287723
297624
307624

Chance of precipitation in June

Any precipitation

Grand Junction gets around 1.0 in of rain over 4.8 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 16% and peaks near 20% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
120
219
319
418
518
617
717
817
917
1017
1117
1217
1317
1416
1516
1616
1716
1816
1915
2015
2115
2215
2315
2415
2515
2615
2715
2815
2915
3016

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
26991
27991
28991
29991
30982

Wind in June

Winds average 5 mph in June, the windiest month of the year.

Across June, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 30 min at the start of June to 14 h 42 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 4:56 AM to 4:56 AM, and sunset from 7:28 PM to 7:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:567:28
214.64:557:28
314.64:557:29
414.64:557:30
514.64:547:30
614.64:547:31
714.64:547:32
814.64:537:32
914.74:537:33
1014.74:537:33
1114.74:537:34
1214.74:537:34
1314.74:537:35
1414.74:537:35
1514.74:537:36
1614.74:537:36
1714.74:537:37
1814.74:537:37
1914.74:537:37
2014.74:537:38
2114.74:537:38
2214.74:537:38
2314.74:547:38
2414.74:547:39
2514.74:547:39
2614.74:547:39
2714.74:557:39
2814.74:557:39
2914.74:557:39
3014.74:567:39

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 8.07 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 8.07 kWh/m² in June across the year — June's 8.07 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
17.8Intense
27.8Intense
37.9Intense
47.9Intense
57.9Intense
67.9Intense
77.9Intense
88.0Intense
98.0Intense
108.0Intense
118.0Intense
128.0Intense
138.0Intense
148.1Intense
158.1Intense
168.1Intense
178.1Intense
188.1Intense
198.1Intense
208.1Intense
218.1Intense
228.1Intense
238.1Intense
248.1Intense
258.1Intense
268.1Intense
278.1Intense
288.1Intense
298.0Intense
308.0Intense
Planning a trip in June

Is June a good time to visit Grand Junction?

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

7.0
Sightseeing
2nd-best month of the year
7.7
Beach & pool
1st-best month of the year

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

What to pack for Grand Junction in June

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

In June, Grand Junction sees daytime highs around 82°F and nights near 53°F. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Grand Junction in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Grand Junction peaks around July 16 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 16UV 11Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr6High
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep7Very high
Oct6High
Nov3Moderate
Dec2Moderate
Location & terrain

Where is Grand Junction?

Grand Junction sits at 39.1°N, 108.6°W, 4,593 ft above sea level, in United States. The nearest listed city is Clifton, 5.6 mi away.

Topography around Grand Junction

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

Within 2 miles, the terrain around Grand Junction has only modest variations in elevation — a maximum elevation change of 308 ft around an average of 4,613 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,176 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,178 ft.

The land around Grand Junction is covered by artificial surfaces (53%) within 2 miles, grassland (29%) within 10 miles, and trees (38%), shrubs (24%) and grassland (24%) within 50 miles.

2 miles
308 ft
10 miles
3,176 ft
50 miles
7,178 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Clifton 5.6 mi · Montrose 55 mi · Moab 63 mi · Telluride 88 mi · Aspen 93 mi · Durango 129 mi · Farmington 162 mi · Rock Springs 178 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 Grand Junction (39.0639°, -108.5507°, elevation 4,593 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).