Great Falls (MT)
June
Weather in Great Falls, Montana for June 2026
Your guide to Great Falls weather in June - trends and predictions
In general, the average temperature in Great Falls at the beginning of June is 20.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 26.7 °F by the end of June.
Great Falls experiences moderate rainfall in June, with an average of 6 rainy days and a total precipitation of 97.8 mm.
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Temperatures
Rain 🌧️
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24
Dry days
6
Rainy days
0
Snow days
24°/8°
Temperatures
25 km/h
Avg max wind
58 %
Avg humidity
Great Falls Weather June
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Temperatures trend during June in Great Falls
See the weather trend as well as the moving average line
June weather in Great Falls day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jun. 1 |  Overcast | 19° /12° | 0 mm | 9 | |
| Jun. 2 |  Moderate rain | 11° /5° | 28.4 mm | 3 | |
| Jun. 3 |  Mist | 20° /0° | 0 mm | 10 | |
| Jun. 4 |  Thundery outbreaks possible | 19° /5° | 0 mm | 8 | |
| Jun. 5 |  Sunny | 24° /4° | 0 mm | 10 | |
| Jun. 6 | Sunny | 26° /4° | 0 mm | 10 | |
| Jun. 7 |  Partly cloudy | 23° /9° | 0 mm | 10 | |
| Jun. 8 | Partly cloudy | 26° /10° | 0 mm | 10 | |
| Jun. 9 | Sunny | 32° /6° | 0 mm | 10 | |
| Jun. 10 | Sunny | 29° /11° | 0 mm | 10 | |
| Jun. 11 |  Light rain shower | 26° /10° | 11.5 mm | 4 | |
| Jun. 12 |  Moderate or heavy rain shower | 22° /11° | 19.4 mm | 7 | |
| Jun. 13 | Thundery outbreaks possible | 24° /11° | 0 mm | 7 | |
| Jun. 14 | Thundery outbreaks possible | 26° /12° | 0 mm | 11 | |
| Jun. 15 | Thundery outbreaks possible | 25° /14° | 2.2 mm | 6 | |
| Jun. 16 | Mist | 26° /8° | 0 mm | 10 | |
| Jun. 17 | Mist | 28° /10° | 0 mm | 10 | |
| Jun. 18 | Sunny | 28° /7° | 0 mm | 10 | |
| Jun. 19 | Partly cloudy | 28° /9° | 0 mm | 10 | |
| Jun. 20 | Light rain shower | 21° /12° | 11.8 mm | 2 | |
| Jun. 21 | Overcast | 15° /8° | 0 mm | 8 | |
| Jun. 22 | Moderate or heavy rain shower | 8° /4° | 24.4 mm | 2 | |
| Jun. 23 |  Cloudy | 22° /0° | 0 mm | 10 | |
| Jun. 24 | Sunny | 26° /4° | 0 mm | 10 | |
| Jun. 25 | Sunny | 30° /7° | 0 mm | 10 | |
| Jun. 26 | Thundery outbreaks possible | 25° /11° | 0 mm | 6 | |
| Jun. 27 | Mist | 25° /12° | 0 mm | 5 | |
| Jun. 28 | Sunny | 25° /9° | 0 mm | 10 | |
| Jun. 29 | Sunny | 26° /7° | 0 mm | 10 | |
| Jun. 30 | Sunny | 30° /9° | 0 mm | 10 | |
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Important Notice
Our weather forecast for Great Falls 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 Great Falls forecast closer to your planned date for the most up-to-date weather information.
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Great Falls in June - FAQ
What are the expected maximum and minimum temperatures in Great Falls during June?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Great Falls during June?
Moderate rainfall is anticipated in Great Falls during June, with a total of 97.8 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Great Falls during June?
The average wind speed in Great Falls during June is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in Great Falls
Explore the daily rainfall trends and prepare for Great Fallss June weather 💧
Typically, Great Falls has 6 rainy days in June with a total of 97.8 mm of rainfall.
UV exposure in Great Falls during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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