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Yellowstone National Park (WY)
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Yellowstone National Park (WY)
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Weather in Yellowstone National Park, Wyoming for August 2027

Your guide to Yellowstone National Park weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in Yellowstone National Park at the beginning of August is 23.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.5 °C by the end of August.

    • Rain 🌧️

  • Yellowstone National Park experiences moderate rainfall in August, with an average of 8 rainy days and a total precipitation of 47 mm.

    • More

  • Is August a good time to visit Yellowstone National Park? check out the best time to travel to Yellowstone National Park page.

  • ✨ Is August a good time to visit Yellowstone National Park? – Ask the AI Weatherman

Average dry days
23
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/8°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
45 %
Avg humidity

Yellowstone National Park Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
25°
2
Sunny
25°
3
Sunny
23°
4
Thundery outbreaks possible
23°
5
Sunny
23°
6
Sunny
24°
7
Partly cloudy
24°
8
Overcast
21°
9
Patchy light rain with thunder
22°
10
Patchy rain possible
22°
11
Partly cloudy
23°
12
Patchy rain possible
22°
13
Patchy light rain with thunder
21°
14
Patchy light rain with thunder
18°
15
Partly cloudy
21°
16
Patchy rain possible
19°
17
Sunny
22°
18
Patchy rain possible
23°
19
Moderate or heavy rain with thunder
23°
20
Thundery outbreaks possible
25°
21
Patchy rain possible
24°
22
Patchy rain possible
23°
23
Patchy light drizzle
22°
24
Partly cloudy
22°
25
Patchy rain possible
20°
26
Patchy light rain with thunder
19°
27
Light rain
19°
28
Moderate rain
15°
29
Light rain
17°
30
Light rain
18°
31
Sunny
21°

Temperatures trend during August in Yellowstone National Park

See the weather trend as well as the moving average line

August weather in Yellowstone National Park day by day

Click on a date for more information
July September
Date Weather Temperatures Rain Snow More
Aug. 1 Sunny
Sunny
 25° /9° 0 mm 0 cm
Aug. 2 Sunny
Sunny
 25° /9° 0 mm 0 cm
Aug. 3 Sunny
Sunny
 23° /9° 0 mm 0 cm
Aug. 4 Thundery outbreaks possible
Thundery outbreaks possible
 23° /9° 0 mm 0 cm
Aug. 5 Sunny
Sunny
 23° /7° 0 mm 0 cm
Aug. 6 Sunny
Sunny
 24° /8° 0 mm 0 cm
Aug. 7 Partly cloudy
Partly cloudy
 24° /8° 0 mm 0 cm
Aug. 8 Overcast
Overcast
 21° /8° 0 mm 0 cm
Aug. 9 Patchy light rain with thunder
Patchy light rain with thunder
 22° /7° 0.5 mm 0 cm
Aug. 10 Patchy rain possible
Patchy rain possible
 22° /8° 1.7 mm 0 cm
Aug. 11 Partly cloudy
Partly cloudy
 23° /8° 0 mm 0 cm
Aug. 12 Patchy rain possible
Patchy rain possible
 22° /9° 1.3 mm 0 cm
Aug. 13 Patchy light rain with thunder
Patchy light rain with thunder
 21° /8° 5 mm 0 cm
Aug. 14 Patchy light rain with thunder
Patchy light rain with thunder
 18° /8° 2.6 mm 0 cm
Aug. 15 Partly cloudy
Partly cloudy
 21° /7° 0.9 mm 0 cm
Aug. 16 Patchy rain possible
Patchy rain possible
 19° /7° 0.3 mm 0 cm
Aug. 17 Sunny
Sunny
 22° /7° 0.8 mm 0 cm
Aug. 18 Patchy rain possible
Patchy rain possible
 23° /8° 2.3 mm 0 cm
Aug. 19 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 23° /8° 3.7 mm 0 cm
Aug. 20 Thundery outbreaks possible
Thundery outbreaks possible
 25° /9° 0.3 mm 0 cm
Aug. 21 Patchy rain possible
Patchy rain possible
 24° /10° 0.7 mm 0 cm
Aug. 22 Patchy rain possible
Patchy rain possible
 23° /9° 1.4 mm 0 cm
Aug. 23 Patchy light drizzle
Patchy light drizzle
 22° /8° 2.2 mm 0 cm
Aug. 24 Partly cloudy
Partly cloudy
 22° /8° 0.4 mm 0 cm
Aug. 25 Patchy rain possible
Patchy rain possible
 20° /7° 1.3 mm 0.2 cm
Aug. 26 Patchy light rain with thunder
Patchy light rain with thunder
 19° /8° 1 mm 0.3 cm
Aug. 27 Light rain
Light rain
 19° /8° 2.6 mm 0 cm
Aug. 28 Moderate rain
Moderate rain
 15° /8° 12 mm 0 cm
Aug. 29 Light rain
Light rain
 17° /5° 3.2 mm 0 cm
Aug. 30 Light rain
Light rain
 18° /6° 2.7 mm 0 cm
Aug. 31 Sunny
Sunny
 21° /6° 0 mm 0 cm
Next
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.
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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 8°. 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 47 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Yellowstone National Park during August?
The average wind speed in Yellowstone National Park during August is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

Yellowstone National Park snow forecast August 2027

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 💧
Typically, Yellowstone National Park has 8 rainy days in August with a total of 47 mm of rainfall.

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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Location coordinates 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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