Boulder Weather in July
Thinking of visiting Boulder in July? Expect very high temperatures reaching 31°C (88°F) during the day, dropping to 15°C (59°F) at night, with some rainfall likely.
Rainfall in Boulder in July
Analyzing past climate data, one can expect approximately 13 days of rain, averaging 53 mm (2.1 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Boulder in July
In July, Boulder gets very high temperatures, with highs of 31°C (88°F). Nights cool to around 15°C (59°F). For most visitors, the main thing to prepare for is the heat during the day. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.
Sunshine in Boulder in July
With approximately 323 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If your ideal day consists of dry skies and pleasant temperatures, May, June and September typically offer the best circumstances for Boulder.
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 Boulder's climate page.
Boulder Temperature in July
Min Temperature
15°C (59°F)
Max Temperature
31°C (88°F)
Chance of Rain
43%
Precipitation
53 mm (2.1 in)
Rainy days
13 days
Humidity
46% *
Sunshine
323 hours *
Percentage Sunshine
71% *
Best Places in the United States of America in July
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 July →
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What to Wear in Boulder in July
Warm temperatures in July 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. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Boulder in July
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 Boulder's climate page.
Temperature Rainfall Sunshine Humidity
See the full Boulder climate overview or explore weather in the United States of America.
