Grand Junction Weather in August
August in Grand Junction brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 17°C (63°F). The perfect weather makes it a solid choice for a visit.
Rainfall in Grand Junction in August
Historically, August sees about 7 days of rain, with a monthly average of 26 mm (1 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Grand Junction in August
August in Grand Junction is generally perfect, with days reaching 32°C (90°F) and nights settling around 17°C (63°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Grand Junction in August
The days are predominantly sunny, with an estimated total of around 327 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Grand Junction in August
August sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.If you prefer dry days with pleasant temperatures, April, May and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Grand Junction's climate page.
Grand Junction Temperature in August
Min Temperature
17°C (63°F)
Max Temperature
32°C (90°F)
Chance of Rain
24%
Precipitation
26 mm (1 in)
Rainy days
7 days
Humidity
37%
Windspeed
4 m/s (8 knots)
Sunshine
327 hours
Percentage Sunshine
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
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unpleasant
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What to Wear in Grand Junction in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional showers. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Grand Junction in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Grand Junction's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Grand Junction climate overview or explore weather in the United States of America.
