Humid cities · Colorado
How humid is Grand Junction in summer?
Grand Junction right now
46°FLight rain
- Today47°F / 45°FRain
- Tomorrow52°F / 42°FClouds
- Monday55°F / 37°FClouds
Drip drop. Mood drop.
Live from OpenWeatherMap. Alerts from the National Weather Service.
Across June, July and August, the dew point in Grand Junction averages about 39.7°F, which is dry on the usual dew point scale.
August is the muggiest month, with the dew point averaging about 43.9°F. On NOAA’s hour by hour normals, no hour of the year averages a dew point of 65°F or more, though a muggy spell can still turn up. That makes it the 3rd driest summer air of the 124 US cities we track.
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The highest dew point in the forecast for the next 48 hours is about 43°F, which is dry.
Grand Junction’s summer dew point averages about 39.7°F, and August reaches about 43.9. Dry enough to make the red rocks look thirsty.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Summer humidity at a glance
| Dew point, June to August | 39.7°F |
|---|---|
| Muggiest month | August, 43.9°F |
| Hours a year at a 65°F dew point or more | none |
| How summer feels | dry |
The dew point is the temperature the air would have to cool to for dew to form, so the higher it is, the more water the air holds. Forecasters usually call under 55°F comfortable, 55 to 65°F sticky and 65°F or more muggy; 70°F or more feels tropical.
Cities with about the same summer air
- Las Vegas, Nevada: about 39.4°F
- Boise, Idaho: about 41.8°F
- Casper, Wyoming: about 42.4°F
More about the weather here
Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00023066. Average dew points, not the stickiest days.