Grand Junction Weather Year-Round — Best Time to Visit
Grand Junction, United States has mild weather year-round. The best time to visit is June (score: 94/100). Annual average high: 18.4°C, total rainfall: 527mm.
When is the best time to visit Grand Junction?
94
June is the best month to visit Grand Junction with a travel score of 94/100 (Excellent).
Expect highs of 31.2°C, 4 rain days, and 13.8 hours of daily sunshine.
View June weather details →Travel Score by Month
54
Jan
60
Feb
68
Mar
76
Apr
86
May
94
Jun
91
Jul
88
Aug
90
Sep
80
Oct
69
Nov
55
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Grand Junction each month?
18.4°C
Avg High
4.6°C
Avg Low
527mm
Annual Rain
How much rain does Grand Junction get?
Grand Junction receives 527mm of rain annually. The wettest month is typically August with 66mm, while June is the driest.
What is the weather like each month in Grand Junction?
January
54
3°C
Low: -8°C
7 rain days
Mixed
February
60
6°C
Low: -5°C
8 rain days
Mixed
March
68
12°C
Low: -1°C
9 rain days
Good
April
76
18°C
Low: 3°C
9 rain days
Good
May
86
24°C
Low: 9°C
7 rain days
Excellent
June
Best time to visit94
31°C
Low: 14°C
4 rain days
Excellent
July
91
34°C
Low: 18°C
7 rain days
Excellent
August
88
32°C
Low: 17°C
9 rain days
Excellent
September
90
27°C
Low: 12°C
7 rain days
Excellent
October
80
19°C
Low: 5°C
7 rain days
Good
November
69
11°C
Low: -1°C
6 rain days
Good
December
55
4°C
Low: -7°C
7 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31