Weather in Grand Junction: May
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Average day temperature: | 74.2°F |
| Average night temperature: | 50.8°F | |
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Number of sunny days: | 21 days |
| Day length: | 13.9 - 14.7 hours | |
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Number of rainy days: | 0 days |
| Precipitation totals: | 0.2 in. | |
| more information | ||
14 days
forecast
forecast
| Grand Junction |
weather in
June
June
| Grand Junction |
Air temperature in May, °F
Show year:
2026
2025
2024
The highest day temperature during May of 2026 was 93°F. At the same time the lowest night temperature was 40°F. Daily and nightly averages during May were 77.8°F and 54.5°F.
Sunny, partly cloudy and cloudy days
Mostly all days in May are sunny but cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Grand Junction in May is 0.2 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 7.3 mph It makes May one of the most windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 10.9.
Best time for vacation in Grand Junction
Grand Junction on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Grand Junction
Local time: 11:12
June 29, monday
1200
81°F
SE
9 mph
9 mph
1500
86°F
E
18 mph
18 mph
1800
84°F
E
14 mph
14 mph
2100
72°F
SE
2 mph
2 mph
June 30, tuesday
0000
55°F
NW
4 mph
4 mph
0300
54°F
NW
7 mph
7 mph
0600
54°F
NW
7 mph
7 mph
0900
75°F
N
15 mph
15 mph
