Jefferson County (Lakewood)
June
Weather in Jefferson County, Colorado for June 2026
Your guide to Jefferson County weather in June - trends and predictions
Red Flag Warning - See hour by hour.
So far, June 2026 in Jefferson County is slightly warmer than the historical average by 1.3 °F.
The forecast for the coming days of June 2026 predicts a temperature of 31.1 °F , which is warmer than usual.
In general, the average temperature in Jefferson County at the beginning of June is 25.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 32.6 °F by the end of June.
Jefferson County experiences heavy rainfall in June, with over 20 rainy days and an average total precipitation 121.8 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
More
8
Dry days
22
Rainy days
0
Snow days
27°/13°
Temperatures
19 km/h
Avg max wind
46 %
Avg humidity
Jefferson County Weather June
Move between months or click on a day
Temperatures trend during June in Jefferson County
See the weather trend as well as the moving average line
June weather in Jefferson County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jun. 1 |  Patchy rain possible | 26° /11° | 2.4 mm | 8 | |
| Jun. 2 |  Moderate or heavy rain shower | 26° /11° | 9.7 mm | 8 | |
| Jun. 3 |  Heavy rain at times | 21° /11° | 16.4 mm | 7 | |
| Jun. 4 |  Cloudy | 24° /12° | 9.5 mm | 7 | |
| Jun. 5 | Moderate or heavy rain shower | 25° /13° | 2.5 mm | 7 | |
| Jun. 6 | Heavy rain at times | 26° /12° | 1.6 mm | 8 | |
| Jun. 7 | Patchy rain possible | 28° /12° | 1.4 mm | 8 | |
| Jun. 8 | Heavy rain at times | 25° /13° | 1.9 mm | 8 | |
| Jun. 9 | Moderate or heavy rain shower | 28° /12° | 3.3 mm | 8 | |
| Jun. 10 |  Sunny | 28° /12° | 1.3 mm | 8 | |
| Jun. 11 | Sunny | 26° /12° | 2.8 mm | 8 | |
| Jun. 12 | Moderate or heavy rain shower | 29° /13° | 5.1 mm | 8 | |
| Jun. 13 | Patchy rain possible | 26° /13° | 2.7 mm | 8 | |
| Jun. 14 |  Overcast | 27° /12° | 2.3 mm | 6 | |
| Jun. 15 | Moderate or heavy rain shower | 28° /13° | 1.6 mm | 8 | |
| Jun. 16 | Moderate or heavy rain shower | 29° /13° | 11.7 mm | 8 | |
| Jun. 17 | Sunny | 36° /18° | 0 mm | 11.5 | |
| Jun. 18 | Sunny | 31° /14° | 0 mm | 10.9 | |
| Jun. 19 | Sunny | 29° /17° | 0 mm | 11.1 | |
| Jun. 20 | Sunny | 34° /17° | 0 mm | 7.8 | |
| Jun. 21 | Patchy rain possible | 31° /16° | 1.7 mm | 9.4 | |
| Jun. 22 | Patchy rain possible | 18° /15° | 3.5 mm | 0 | |
| Jun. 23 | Sunny | 29° /12° | 0.1 mm | 5 | |
| Jun. 24 | Sunny | 33° /16° | 0 mm | 6 | |
| Jun. 25 | Sunny | 35° /17° | 0 mm | 7 | |
| Jun. 26 | Sunny | 33° /18° | 0 mm | 7 | |
| Jun. 27 | Sunny | 32° /19° | 0 mm | 7 | |
| Jun. 28 | Patchy rain possible | 34° /19° | 1.6 mm | 5 | |
| Jun. 29 | Patchy rain possible | 31° /18° | 0.4 mm | 5 | |
| Jun. 30 | Patchy rain possible | 30° /16° | 0.4 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Jefferson County 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 Jefferson County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Jefferson County in June - FAQ
What are the expected maximum and minimum temperatures in Jefferson County during June?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Jefferson County during June?
Significant rainfall exceeding 121.8 mm is expected in Jefferson County during June, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jefferson County during June?
The average wind speed in Jefferson County during June is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in Jefferson County
Explore the daily rainfall trends and prepare for Jefferson Countys June weather 💧
Typically, Jefferson County has 22 rainy days in June with a total of 121.8 mm of rainfall.
UV exposure in Jefferson County during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
Top locations in Jefferson County
Select a location for an accurate weather forecast
More Locations Quick links
More Jefferson County weather pages
You are here
Where is Jefferson County?Get accurate weather forecasts for Jefferson County, located at latitude 39.705 and longitude -105.081. Stay updated with localized weather information tailored for Jefferson County.
Found a mistake?
We appreciate your attention to details. Tell us here.