Boulder (CO)
July
Weather in Boulder, Colorado for July 2027
Your guide to Boulder weather in July - trends and predictions
In general, the average temperature in Boulder at the beginning of July is 29.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 30.8 °C by the end of July.
Boulder experiences moderate rainfall in July, with an average of 7 rainy days and a total precipitation of 34.2 mm.
Is July a good time to visit Boulder? check out the best time to travel to Boulder page.
✨ Is July a good time to visit Boulder? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
31°/16°
Temperatures
21 km/h
Avg max wind
37 %
Avg humidity
Boulder Weather July
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Temperatures trend during July in Boulder
See the weather trend as well as the moving average line
July weather in Boulder day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Cloudy | 29° /14° | 0 mm | 9 | |
| Jul. 2 | Cloudy | 30° /14° | 0.6 mm | 9 | |
| Jul. 3 |  Sunny | 31° /14° | 0.1 mm | 10 | |
| Jul. 4 |  Partly cloudy | 29° /13° | 0 mm | 10 | |
| Jul. 5 | Partly cloudy | 29° /14° | 0 mm | 9 | |
| Jul. 6 | Sunny | 32° /16° | 0 mm | 10 | |
| Jul. 7 |  Patchy rain possible | 28° /13° | 0.6 mm | 9 | |
| Jul. 8 | Sunny | 30° /13° | 0.3 mm | 10 | |
| Jul. 9 | Cloudy | 31° /16° | 0.4 mm | 10 | |
| Jul. 10 | Patchy rain possible | 31° /14° | 1.3 mm | 9 | |
| Jul. 11 | Cloudy | 31° /14° | 0 mm | 9 | |
| Jul. 12 | Sunny | 31° /14° | 0 mm | 9 | |
| Jul. 13 | Cloudy | 34° /17° | 0 mm | 10 | |
| Jul. 14 | Partly cloudy | 32° /18° | 0 mm | 10 | |
| Jul. 15 | Patchy rain possible | 33° /18° | 0.3 mm | 9 | |
| Jul. 16 | Patchy rain possible | 29° /16° | 1.8 mm | 9 | |
| Jul. 17 |  Light rain | 30° /15° | 4 mm | 9 | |
| Jul. 18 | Patchy rain possible | 31° /16° | 1.9 mm | 9 | |
| Jul. 19 |  Overcast | 31° /17° | 0.3 mm | 9 | |
| Jul. 20 | Light rain | 32° /17° | 2.5 mm | 9 | |
| Jul. 21 |  Moderate or heavy rain shower | 29° /17° | 8.2 mm | 9 | |
| Jul. 22 | Light rain | 29° /16° | 3.5 mm | 9 | |
| Jul. 23 | Patchy rain possible | 29° /17° | 1.5 mm | 9 | |
| Jul. 24 | Overcast | 29° /15° | 0.3 mm | 9 | |
| Jul. 25 | Sunny | 33° /16° | 0.1 mm | 10 | |
| Jul. 26 | Patchy rain possible | 31° /18° | 1.3 mm | 8 | |
| Jul. 27 | Patchy rain possible | 30° /17° | 1.5 mm | 8 | |
| Jul. 28 | Patchy rain possible | 31° /18° | 1.2 mm | 9 | |
| Jul. 29 | Patchy rain possible | 31° /17° | 1.6 mm | 9 | |
| Jul. 30 | Sunny | 29° /15° | 0.6 mm | 9 | |
| Jul. 31 | Sunny | 30° /14° | 0.3 mm | 9 | |
| Next | |||||
Important Notice
Our weather forecast for Boulder in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Boulder forecast closer to your planned date for the most up-to-date weather information.
Change Month
Boulder in July - FAQ
What are the expected maximum and minimum temperatures in Boulder during July?
Expect warm days with temperatures around 31°, cooling to mild conditions of 16° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Boulder during July?
In July, Boulder can expect light to moderate rainfall, totaling 34.2 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Boulder during July?
The average wind speed in Boulder during July is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Boulder
Explore the daily rainfall trends and prepare for Boulders July weather 💧
Typically, Boulder has 7 rainy days in July with a total of 34.2 mm of rainfall.
UV exposure in Boulder during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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