Grand Junction weather in June: Grand Junction, Colorado: normal highs, lows, rain and records for June

Grand Junction in June has a normal high of 89°F and a normal low of 57°F, a daily mean of 73°F, rising from 84°F on the 1st to 93°F by the 30th. Measurable precipitation falls on 3 days in a normal June, 0.41 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 32°C and low of 14°C, 10 mm of precipitation in June.

  • NOAA stationGrand Junction Walker Field
  • Station IDUSW00023066
  • Location39.13°N 108.54°W
  • Elevation4,858 ft (1,481 m)
  • From the center3 miles
  • Population70,554
  1. Jan 38° 17°
  2. Feb 46° 24°
  3. Mar 58° 32°
  4. Apr 66° 38°
  5. May 77° 47°
  6. Jun 89° 57°
  7. Jul 95° 64°
  8. Aug 91° 62°
  9. Sep 82° 53°
  10. Oct 67° 40°
  11. Nov 52° 28°
  12. Dec 39° 18°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Grand Junction in June?

The normal high is 89°F and the normal low 57°F, for a daily mean of 73.0°F. June is 11.0°F warmer than May and 6.2°F cooler than July. June is the 3rd warmest month of the year in Grand Junction and the 12th wettest. Across the month the normal high rises 9°F, from 84°F on June 1 to 93°F on June 30. From one year to the next June's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Junes in three average between 70°F and 76°F.

Grand Junction in June, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 16%).

Normal high and low on five days of June, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
June 184°F52°F16%6%
June 887°F54°F14%6%
June 1589°F57°F13%5%
June 2292°F59°F12%5%
June 3093°F61°F12%5%
Every day of June: normal high, low and chance of precipitation (warmest afternoon June 30, coldest night June 1)
Grand Junction: NOAA 1991-2020 daily normals for each day of June
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
June 184°F52°F16%6%14 h 40 min
June 284°F53°F16%6%14 h 40 min
June 385°F53°F16%6%14 h 50 min
June 485°F53°F15%6%14 h 50 min
June 586°F53°F15%6%14 h 50 min
June 686°F54°F15%6%14 h 50 min
June 786°F54°F14%6%14 h 50 min
June 887°F54°F14%6%14 h 50 min
June 987°F55°F14%6%14 h 50 min
June 1088°F55°F14%5%14 h 50 min
June 1188°F55°F13%5%14 h 50 min
June 1288°F56°F13%5%14 h 50 min
June 1389°F56°F13%5%14 h 50 min
June 1489°F56°F13%5%14 h 50 min
June 1589°F57°F13%5%14 h 50 min
June 1690°F57°F12%5%14 h 50 min
June 1790°F57°F12%5%14 h 50 min
June 1890°F58°F12%5%14 h 50 min
June 1991°F58°F12%5%15 h
June 2091°F58°F12%5%15 h
June 2191°F59°F12%5%15 h
June 2292°F59°F12%5%15 h
June 2392°F59°F12%5%15 h
June 2492°F60°F12%5%15 h
June 2592°F60°F12%5%15 h
June 2693°F60°F12%5%14 h 50 min
June 2793°F61°F12%5%14 h 50 min
June 2893°F61°F12%5%14 h 50 min
June 2993°F61°F12%5%14 h 50 min
June 3093°F61°F12%5%14 h 50 min
Normal high
89°FJune average
Normal low
57°FJune average
Precipitation
0.41 inmonth total
Days with precipitation
30.01 inch or more
Days at 90°F or more
16
Daylight
14 h 40 min to 14 h 50 minJune 1 to June 30
Days at 70°F or more
29
Days at 80°F or more
26
Sunshine
87%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00023066; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Grand Junction in June?

On a given June day the chance of 0.01 inch or more is 13% on average, highest around June 1 (16%). In all, 0.41 in falls on 3 days of a normal June.

In a normal June in Grand Junction, 16 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023066.

How humid and windy is Grand Junction in June?

At 3 p.m. the normal temperature is 91°F with 13% relative humidity and a dew point of 34°F; at 6 a.m. it is 66°F with 35% humidity. The wind averages 9.4 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.

A normal June day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.66°F38°F35%9.0 mph89%
9 a.m.78°F39°F24%9.3 mph89%
noon88°F37°F17%8.2 mph87%
3 p.m.91°F34°F13%11.3 mph82%
6 p.m.89°F34°F14%11.4 mph85%
9 p.m.77°F34°F21%8.0 mph88%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00023066. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for June in Grand Junction?

The warmest June temperature on Grand Junction's official record (since 1893) is 105°F, on June 27, 1990; the coldest is 34°F, on June 14, 1976. The wettest June brought 2.07 in (1969).

The June mean against the 1991-2020 normal of 73.0°F: 2021 77.0°F (+4.0), 2022 74.3°F (+1.3), 2023 71.4°F (−1.6), 2024 78.6°F (+5.6), 2025 76.1°F (+3.1), 2026 76.7°F (+3.7). 5 of 6 ran warmer than normal.

Grand Junction: June in recent years against the 1991-2020 normal
JuneMeanAgainst normalPrecip.
202177.0°F+4.0°F0.10 in
202274.3°F+1.3°F0.19 in
202371.4°F−1.6°F0.27 in
202478.6°F+5.6°F1.76 in
202576.1°F+3.1°F0.85 in
202676.7°F+3.7°F0.10 in

Source: records: ACIS, NWS threaded record GJTthr; recent months: ACIS, station USW00023066. Records and recent months use complete months only.

How does June in Grand Junction compare across Colorado?

Across the 125 places PlainClimate covers in Colorado, June normal highs run from 66°F in Fairplay to 91°F in Lamar; Grand Junction's is 89°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places