Boulder
July
Weather in Boulder for July 2025
Your guide to Boulder weather in July - trends and predictions
In general, the average temperature in Boulder at the beginning of July is 26.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 31.3 °F by the end of July.
Boulder experiences moderate rainfall in July, with an average of 10 rainy days and a total precipitation of 37.1 mm.
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Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
29°/15°
Temperatures
20 km/h
Avg max wind
34 %
Avg humidity
Boulder Weather July
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  28° | 2 28° | 3  30° | 4  25° | 5 25° | ||
| 6 29° | 7  20° | 8 25° | 9 27° | 10  29° | 11 31° | 12 34° |
| 13 34° | 14 33° | 15 31° | 16  28° | 17 27° | 18 28° | 19 26° |
| 20 27° | 21 21° | 22 25° | 23 28° | 24 29° | 25 33° | 26 29° |
| 27 27° | 28 32° | 29 33° | 30 33° | 31 32° |
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Temperatures trend during July in Boulder
See the weather trend as well as the moving average line
July weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 | Cloudy | 28° /18° | 0 mm | 6 | |
| Jul. 2 | Cloudy | 28° /15° | 1.2 mm | 6 | |
| Jul. 3 | Sunny | 30° /14° | 0 mm | 8 | |
| Jul. 4 | Partly cloudy | 25° /12° | 0 mm | 7 | |
| Jul. 5 | Partly cloudy | 25° /12° | 0 mm | 7 | |
| Jul. 6 | Sunny | 29° /14° | 0 mm | 7 | |
| Jul. 7 | Patchy rain possible | 20° /12° | 0.6 mm | 5 | |
| Jul. 8 | Sunny | 25° /10° | 0 mm | 7 | |
| Jul. 9 | Cloudy | 27° /13° | 0 mm | 6 | |
| Jul. 10 | Overcast | 29° /14° | 0 mm | 6 | |
| Jul. 11 | Cloudy | 31° /15° | 0 mm | 7 | |
| Jul. 12 | Sunny | 34° /18° | 0 mm | 8 | |
| Jul. 13 | Cloudy | 34° /18° | 0 mm | 7 | |
| Jul. 14 | Partly cloudy | 33° /19° | 0 mm | 8 | |
| Jul. 15 | Patchy rain possible | 31° /19° | 0.7 mm | 7 | |
| Jul. 16 | Moderate rain at times | 28° /17° | 1 mm | 6 | |
| Jul. 17 | Patchy rain possible | 27° /15° | 0.1 mm | 6 | |
| Jul. 18 | Moderate or heavy rain shower | 28° /13° | 5.8 mm | 6 | |
| Jul. 19 | Overcast | 26° /16° | 0.9 mm | 6 | |
| Jul. 20 | Moderate rain at times | 27° /15° | 5.3 mm | 6 | |
| Jul. 21 | Moderate or heavy rain shower | 21° /13° | 15 mm | 5 | |
| Jul. 22 | Overcast | 25° /13° | 0.2 mm | 6 | |
| Jul. 23 | Sunny | 28° /14° | 0 mm | 7 | |
| Jul. 24 | Overcast | 29° /16° | 0 mm | 6 | |
| Jul. 25 | Sunny | 33° /17° | 0 mm | 8 | |
| Jul. 26 | Moderate or heavy rain shower | 29° /19° | 3.7 mm | 6 | |
| Jul. 27 | Moderate or heavy rain shower | 27° /16° | 2.6 mm | 6 | |
| Jul. 28 | Sunny | 32° /16° | 0 mm | 8 | |
| Jul. 29 | Sunny | 33° /16° | 0 mm | 8 | |
| Jul. 30 | Sunny | 33° /16° | 0.1 mm | 8 | |
| Jul. 31 | Sunny | 32° /18° | 0 mm | 8 | |
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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.
Boulder in July - FAQ
What are the expected maximum and minimum temperatures in Boulder during July?
During July, expect a variety of temperatures with highs around 29° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Boulder during July?
In July, Boulder can expect light to moderate rainfall, totaling 37.1 mm across approximately 10 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 20 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 💧
UV exposure in Boulder during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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