Yellowstone National Park
August
Weather in Yellowstone National Park for August 2025
Your guide to Yellowstone National Park weather in August - trends and predictions
With an average of 2 snowy days, Yellowstone National Park usually enjoys a light touch of snow in August.
In general, the average temperature in Yellowstone National Park at the beginning of August is 26.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19 °F by the end of August.
Yellowstone National Park experiences moderate rainfall in August, with an average of 9 rainy days and a total precipitation of 38.3 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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20
Dry days
9
Rainy days
2
Snow days
22°/7°
Temperatures
23 km/h
Avg max wind
45 %
Avg humidity
Yellowstone National Park Weather August
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  26° | 2 28° | |||||
| 3  28° | 4  26° | 5  27° | 6 26° | 7  24° | 8 23° | 9  22° |
| 10  21° | 11 22° | 12 23° | 13 20° | 14 16° | 15 22° | 16 21° |
| 17 24° | 18 24° | 19  22° | 20 24° | 21 22° | 22 24° | 23  21° |
| 24 21° | 25 16° | 26 13° | 27 21° | 28 16° | 29 19° | 30 23° |
| 31 25° |
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Temperatures trend during August in Yellowstone National Park
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Aug. 1 | Sunny | 26° /8° | 0 mm | 0 cm | |
| Aug. 2 | Sunny | 28° /11° | 0 mm | 0 cm | |
| Aug. 3 | Patchy rain possible | 28° /12° | 0 mm | 0 cm | |
| Aug. 4 | Thundery outbreaks possible | 26° /13° | 0.1 mm | 0 cm | |
| Aug. 5 | Overcast | 27° /9° | 0 mm | 0 cm | |
| Aug. 6 | Patchy rain possible | 26° /11° | 0.1 mm | 0 cm | |
| Aug. 7 | Partly cloudy | 24° /9° | 0 mm | 0 cm | |
| Aug. 8 | Overcast | 23° /6° | 0 mm | 0 cm | |
| Aug. 9 | Patchy light rain with thunder | 22° /7° | 1.5 mm | 0 cm | |
| Aug. 10 | Moderate rain at times | 21° /6° | 5.2 mm | 0 cm | |
| Aug. 11 | Partly cloudy | 22° /5° | 0 mm | 0 cm | |
| Aug. 12 | Patchy rain possible | 23° /8° | 0 mm | 0 cm | |
| Aug. 13 | Patchy light rain with thunder | 20° /7° | 3.6 mm | 0 cm | |
| Aug. 14 | Patchy light rain with thunder | 16° /6° | 0.7 mm | 0 cm | |
| Aug. 15 | Partly cloudy | 22° /4° | 1.7 mm | 0 cm | |
| Aug. 16 | Patchy rain possible | 21° /6° | 0.1 mm | 0 cm | |
| Aug. 17 | Sunny | 24° /7° | 0 mm | 0 cm | |
| Aug. 18 | Patchy rain possible | 24° /8° | 3.6 mm | 0 cm | |
| Aug. 19 | Moderate or heavy rain with thunder | 22° /8° | 11.2 mm | 0 cm | |
| Aug. 20 | Thundery outbreaks possible | 24° /8° | 0.2 mm | 0 cm | |
| Aug. 21 | Patchy rain possible | 22° /8° | 0.5 mm | 0 cm | |
| Aug. 22 | Sunny | 24° /6° | 0 mm | 0 cm | |
| Aug. 23 | Patchy light drizzle | 21° /8° | 4.8 mm | 0 cm | |
| Aug. 24 | Partly cloudy | 21° /6° | 0 mm | 0 cm | |
| Aug. 25 | Patchy rain possible | 16° /4° | 2.5 mm | 0.7 cm | |
| Aug. 26 | Patchy light rain with thunder | 13° /3° | 2.4 mm | 0.8 cm | |
| Aug. 27 | Sunny | 21° /4° | 0 mm | 0 cm | |
| Aug. 28 | Sunny | 16° /5° | 0 mm | 0 cm | |
| Aug. 29 | Sunny | 19° /1° | 0 mm | 0 cm | |
| Aug. 30 | Sunny | 23° /4° | 0 mm | 0 cm | |
| Aug. 31 | Sunny | 25° /7° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Yellowstone 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 Yellowstone National Park forecast closer to your planned date for the most up-to-date weather information.
Yellowstone National Park in August - FAQ
What are the expected maximum and minimum temperatures in Yellowstone National Park during August?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Yellowstone National Park during August?
In August, Yellowstone National Park can expect light to moderate rainfall, totaling 38.3 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Yellowstone National Park in August 2025?
Yellowstone National Park experiences an average snowfall of 1.5 cm during August, occurring over 2 days.
What are the typical wind conditions in Yellowstone National Park during August?
The average wind speed in Yellowstone National Park during August is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
Yellowstone National Park snow forecast August 2025
Track daily snowfall levels and discover Yellowstone National Park’s snowy potential this August ❄️
August rainfall patterns in Yellowstone National Park
Explore the daily rainfall trends and prepare for Yellowstone National Parks August weather 💧
UV exposure in Yellowstone National Park during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Yellowstone National Park?Get accurate weather forecasts for Yellowstone National Park, located at latitude 44.428 and longitude -110.588. Stay updated with localized weather information tailored for Yellowstone National Park.
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