Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Alton Weather in August
August in Alton brings very high temperatures around 31°C (88°F) during the day, dropping to 20°C (68°F) at night, with quite a bit of rainfall expected, averaging around 77 mm (3 in) for the month.
Rainfall in Alton in August
Typically, you can expect about 8 days of rain this month, with 77 mm (3 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Alton in August
August in Alton sees highs of 31°C (88°F) and lows of 20°C (68°F) overnight. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With overnight lows of 20°C (68°F), evenings stay pleasantly warm.
Sunshine in Alton in August
The city usually sees around 268 hours of sunlight, indicating many sunny days , a great month for sightseeing.If you prefer dry days with pleasant temperatures, September and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Alton Temperature in August
Min Temperature
20°C (68°F)
Max Temperature
31°C (88°F)
Chance of Rain
27%
Precipitation
77 mm (3 in)
Rainy days
8 days
Humidity
70% *
Sunshine
268 hours *
Percentage Sunshine
64% *
* Data from: St. Louis, the United States of America (29 KM, 18 Miles).
Alton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Alton - and find the best time to visit.
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Alton in August
Warm but pleasant conditions in Alton in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Alton in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Alton 3-Day Forecast
More climate data for Alton
Temperature Rainfall Sunshine Humidity
See the full Alton climate overview or explore weather in the United States of America.
Popular in August
Where to go in August - average daytime high across popular destinations.
Kissimmee
33°C (91°F) Orlando33°C (91°F) Miami Beach32°C (90°F) Destin32°C (90°F) New York City
29°C (84°F) Big Bear Lake
27°C (81°F) Los Angeles
24°C (75°F) San Francisco22°C (72°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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