United StatesAverage weather for Yosemite National Park in August
It's hot in August in Yosemite National Park with an average temperature of 30°C. Temperatures this month range from a low of 27°C to a high of 32°C. At night, you can expect temperatures between 7°C and 11°C.
Start of August
The month of August starts in Yosemite National Park with hot temps, averaging around 30°C during the day and nights around 9°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
Mid August
By mid-August, daytime temps rise to around 31°C, with nights around 10°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of August
By the end of August, the average daytime temperature in Yosemite National Park is around 30°C, while nighttime temps are about 9°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
According to weather history, there is only 8,5 mm of precipitation in August. The wind speed is around 3 Bft, mostly coming from the Southwest.
Yosemite National Park in August |
New York | ||
|---|---|---|---|
 Average temperature |
30°C | 30°C | |
 Max. temperature |
32°C | 31°C | |
| Min. temperature |
27°C | -5°C | |
 Total precipitation |
8,5 mm | 79 mm | |
| Rainy days |
2 days | 13 days | |
July
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit Yosemite National Park?
August is a good month to be in Yosemite National Park for sunny weather. You’ll have high temperatures and not too much rain.
Temperature records
With 41°C in 2019, Yosemite National Park reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 15°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 0°C to a highest value of 18°C.
Check out the climate of Yosemite National Park for all months and discover the best travel time
Daily Temperature in August in Yosemite National Park
This chart shows the average daily high and low temperatures in August for Yosemite National Park, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in August in Yosemite National Park
The chart below shows the average daily precipitation in August for Yosemite National Park, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 2 days of precipitation in Yosemite National Park.
Daily UV index in August in Yosemite National Park
This chart shows the average daily UV index in August in Yosemite National Park, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Yosemite National Park over the years
This chart shows the average temperature in August in Yosemite National Park, measured in degrees Celsius, over the past few years.
Total precipitation in August in Yosemite National Park over the years
This chart shows the average precipitation in August in Yosemite National Park, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for Yosemite National Park
Click on any day in August to get detailed info about the usual weather on that day in Yosemite National Park. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Yosemite National Park
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Average weather in Yosemite National Park by month
Click on a month below to see detailed weather info for Yosemite National Park. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Yosemite National Park for all months at once
