Grand Junction weather by month & the best time to visit
🇺🇸 United States · small town · semi-arid climate
The best time to visit Grand Junction is May — its sunniest month (Sunshine Score 93/100), with October and September close behind. Grand Junction averages about 3,302 hours of sunshine a year. Daytime highs around 25°C / 77°F and roughly 31 mm of rain in May.
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- Sun hours / year
- 3,302
- Sunniest month
- May
- Peak score
- 93/100
- Rain / year
- 377 mm
- Snow / year
- ≈65 cm
- Midday UV at peak
- 10 (very high)
- Population
- 60k
- Elevation
- 1,475 m
When is the best time to visit Grand Junction?
For sunshine, the best time to visit Grand Junction is May, then October and September. The dullest month is January (0/100, 29 mm of rain). The full month-by-month picture is in the table below.
How sunny is Grand Junction?
Grand Junction is one of the sunniest places on Earth: about 3,302 hours of sunshine a year. 93 Sunshine Score points separate May (93) from January (0), so the month you pick matters. It ranks #51 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 377 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 5° / 41°F | -5° / 23°F | 29 mm | 2 |
| February | 0 | 7° / 45°F | -3° / 27°F | 29 mm | 3 |
| March | 39 | 13° / 55°F | 0° / 32°F | 32 mm | 5 |
| April | 85 | 19° / 66°F | 3° / 37°F | 33 mm | 7 |
| May | 93 | 25° / 77°F | 9° / 48°F | 31 mm | 8 |
| June | 86 | 33° / 91°F | 15° / 59°F | 15 mm | 10 |
| July | 56 | 36° / 97°F | 19° / 66°F | 33 mm | 10 |
| August | 83 | 33° / 91°F | 18° / 64°F | 34 mm | 9 |
| September | 91 | 28° / 82°F | 13° / 55°F | 40 mm | 7 |
| October | 92 | 20° / 68°F | 5° / 41°F | 38 mm | 5 |
| November | 31 | 12° / 54°F | 0° / 32°F | 28 mm | 3 |
| December | 0 | 5° / 41°F | -5° / 23°F | 35 mm | 2 |
See Grand Junction on the interactive sunshine globe →
Nearby places for sunshine
- Montrose United States · 88 km · best in Jun · 3,242 h sun/yr
- Aspen United States · 144 km · best in Jun · 3,154 h sun/yr
- Eagle United States · 150 km · best in Jun · 3,154 h sun/yr
- Hayden United States · 188 km · best in Jun · 3,058 h sun/yr
- Provo United States · 299 km · best in Jun · 3,122 h sun/yr
- Colorado Springs United States · 333 km · best in Jun · 3,289 h sun/yr
Nearest destinations
- Moab United States · 114 km · 3,527 h sun/yr · best in May
- Telluride United States · 141 km · 3,220 h sun/yr · best in Jun
- Gunnison United States · 153 km · 3,272 h sun/yr · best in Jun
Head-to-head
How Grand Junction compares month by month: Grand Junction vs Provo · Grand Junction vs Montrose · Grand Junction vs Aspen · Grand Junction vs Eagle · all comparisons
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