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 June
June in Alton averages 29°C (84°F) during the day and 19°C (66°F) at night. Quite a bit of rainfall is typical this month, with around 104 mm (4.1 in) on average. An umbrella is a good idea.
Rainfall in Alton in June
Past climate data indicates that roughly 12 days will see rain, totalling around 104 mm (4.1 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Alton in June
Alton in June gets highs of 29°C (84°F) during the day and drops to 19°C (66°F) at night. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 19°C (66°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Alton in June
With approximately 293 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If your ideal day consists of dry skies and pleasant temperatures, September and October typically offer the best circumstances for Alton.
Alton Temperature in June
Min Temperature
19°C (66°F)
Max Temperature
29°C (84°F)
Chance of Rain
39%
Precipitation
104 mm (4.1 in)
Rainy days
12 days
Humidity
67% *
Sunshine
293 hours *
Percentage Sunshine
66% *
* 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 June
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 June →
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 June
Warm but pleasant conditions in Alton in June. 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. 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 June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
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 June
Where to go in June - average daytime high across popular destinations.
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Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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