Glacier National Park (MT)
August
Weather in Glacier National Park, Montana for August 2025
Your guide to Glacier National Park weather in August - trends and predictions
In general, the average temperature in Glacier National Park at the beginning of August is 28.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.9 °F by the end of August.
Glacier National Park experiences moderate rainfall in August, with an average of 9 rainy days and a total precipitation of 49.2 mm.
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Temperatures
Rain 🌧️
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22
Dry days
9
Rainy days
0
Snow days
26°/10°
Temperatures
11 km/h
Avg max wind
56 %
Avg humidity
Glacier National Park Weather August
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Temperatures trend during August in Glacier National Park
See the weather trend as well as the moving average line
August weather in Glacier National Park day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 31° /12° | 0 mm | 8 | |
| Aug. 2 |  Partly cloudy | 34° /14° | 0 mm | 8 | |
| Aug. 3 | Partly cloudy | 34° /16° | 0 mm | 8 | |
| Aug. 4 |  Moderate or heavy rain shower | 23° /14° | 8.3 mm | 5 | |
| Aug. 5 |  Overcast | 29° /11° | 0 mm | 6 | |
| Aug. 6 |  Heavy rain at times | 27° /12° | 3.6 mm | 6 | |
| Aug. 7 | Moderate rain at times | 22° /12° | 2.3 mm | 5 | |
| Aug. 8 | Partly cloudy | 25° /8° | 0 mm | 7 | |
| Aug. 9 | Sunny | 27° /9° | 0 mm | 7 | |
| Aug. 10 | Partly cloudy | 27° /9° | 0 mm | 7 | |
| Aug. 11 |  Patchy rain possible | 25° /10° | 0.1 mm | 6 | |
| Aug. 12 | Overcast | 27° /12° | 0 mm | 6 | |
| Aug. 13 | Partly cloudy | 27° /11° | 0.2 mm | 7 | |
| Aug. 14 | Partly cloudy | 26° /12° | 0 mm | 7 | |
| Aug. 15 | Sunny | 28° /11° | 3.2 mm | 7 | |
| Aug. 16 | Moderate or heavy rain shower | 21° /11° | 6.4 mm | 5 | |
| Aug. 17 | Sunny | 26° /9° | 0 mm | 7 | |
| Aug. 18 | Sunny | 29° /11° | 0 mm | 7 | |
| Aug. 19 | Sunny | 29° /12° | 0 mm | 7 | |
| Aug. 20 | Partly cloudy | 26° /11° | 0.1 mm | 7 | |
| Aug. 21 | Patchy rain possible | 22° /10° | 1.1 mm | 5 | |
| Aug. 22 | Sunny | 28° /8° | 0 mm | 7 | |
| Aug. 23 | Moderate or heavy rain shower | 30° /10° | 11 mm | 7 | |
| Aug. 24 | Partly cloudy | 20° /7° | 0 mm | 6 | |
| Aug. 25 | Overcast | 17° /8° | 0 mm | 4 | |
| Aug. 26 | Sunny | 22° /6° | 0 mm | 6 | |
| Aug. 27 | Patchy rain possible | 26° /8° | 3.2 mm | 6 | |
| Aug. 28 | Heavy rain at times | 8° /4° | 9.7 mm | 2 | |
| Aug. 29 | Partly cloudy | 19° /4° | 0 mm | 5 | |
| Aug. 30 | Sunny | 25° /7° | 0 mm | 7 | |
| Aug. 31 | Sunny | 29° /7° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Glacier National Park in August 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 Glacier National Park forecast closer to your planned date for the most up-to-date weather information.
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Glacier National Park in August - FAQ
What are the expected maximum and minimum temperatures in Glacier National Park during August?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Glacier National Park during August?
In August, Glacier National Park can expect light to moderate rainfall, totaling 49.2 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Glacier National Park during August?
The average wind speed in Glacier National Park during August is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Glacier National Park
Explore the daily rainfall trends and prepare for Glacier National Parks August weather 💧
UV exposure in Glacier National Park during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Glacier National Park?Get accurate weather forecasts for Glacier National Park, located at latitude 48.683 and longitude -113.8. Stay updated with localized weather information tailored for Glacier National Park.
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