Boulder (CO)
June
Weather in Boulder, Colorado for June 2026
Your guide to Boulder weather in June - trends and predictions
In general, the average temperature in Boulder at the beginning of June is 24.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 28.7 °F by the end of June.
Boulder experiences moderate rainfall in June, with an average of 8 rainy days and a total precipitation of 51.6 mm.
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Temperatures
Rain 🌧️
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22
Dry days
8
Rainy days
0
Snow days
27°/14°
Temperatures
21 km/h
Avg max wind
43 %
Avg humidity
Boulder Weather June
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Temperatures trend during June in Boulder
See the weather trend as well as the moving average line
June weather in Boulder day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jun. 1 |  Cloudy | 27° /12° | 0 mm | 7 | |
| Jun. 2 |  Patchy rain possible | 27° /10° | 3.9 mm | 6 | |
| Jun. 3 | Cloudy | 19° /9° | 28.5 mm | 5 | |
| Jun. 4 |  Overcast | 23° /10° | 2.7 mm | 5 | |
| Jun. 5 |  Sunny | 24° /10° | 7 mm | 6 | |
| Jun. 6 | Sunny | 23° /9° | 2 mm | 6 | |
| Jun. 7 | Overcast | 29° /12° | 0 mm | 7 | |
| Jun. 8 | Patchy rain possible | 23° /11° | 0.1 mm | 5 | |
| Jun. 9 |  Moderate or heavy rain shower | 24° /11° | 1 mm | 5 | |
| Jun. 10 | Overcast | 26° /12° | 0 mm | 6 | |
| Jun. 11 |  Partly cloudy | 28° /14° | 0 mm | 7 | |
| Jun. 12 | Cloudy | 31° /17° | 0 mm | 8 | |
| Jun. 13 | Cloudy | 31° /15° | 0.2 mm | 8 | |
| Jun. 14 | Moderate or heavy rain shower | 29° /16° | 2.1 mm | 6 | |
| Jun. 15 | Moderate rain at times | 31° /14° | 0.3 mm | 7 | |
| Jun. 16 | Partly cloudy | 32° /15° | 0 mm | 8 | |
| Jun. 17 | Sunny | 29° /14° | 0 mm | 7 | |
| Jun. 18 | Overcast | 25° /12° | 0 mm | 6 | |
| Jun. 19 | Moderate or heavy rain shower | 28° /12° | 1.8 mm | 7 | |
| Jun. 20 | Patchy rain possible | 32° /15° | 0.2 mm | 8 | |
| Jun. 21 | Moderate or heavy rain shower | 28° /17° | 0.9 mm | 7 | |
| Jun. 22 | Partly cloudy | 29° /15° | 0 mm | 8 | |
| Jun. 23 | Partly cloudy | 25° /14° | 0 mm | 6 | |
| Jun. 24 | Cloudy | 27° /14° | 0 mm | 6 | |
| Jun. 25 | Partly cloudy | 30° /16° | 0 mm | 7 | |
| Jun. 26 | Moderate rain at times | 28° /16° | 0.4 mm | 7 | |
| Jun. 27 | Cloudy | 31° /17° | 0.2 mm | 8 | |
| Jun. 28 | Cloudy | 31° /18° | 0.1 mm | 8 | |
| Jun. 29 | Overcast | 27° /15° | 0 mm | 7 | |
| Jun. 30 | Patchy rain possible | 27° /14° | 0.2 mm | 6 | |
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Important Notice
Our weather forecast for Boulder in June 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 June - FAQ
What are the expected maximum and minimum temperatures in Boulder during June?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Boulder during June?
Moderate rainfall is anticipated in Boulder during June, with a total of 51.6 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Boulder during June?
The average wind speed in Boulder during June is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in Boulder
Explore the daily rainfall trends and prepare for Boulders June weather 💧
UV exposure in Boulder during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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