O'Fallon weather in June (Missouri, United States of America)
Is June a good time to explore O'Fallon weather-wise? Thinking about a visit? Explore this page for a full overview of the weather conditions this month.
Temperatures
The month of June in O'Fallon typically includes high temperatures and high rainfall. During June, the summer season is in full swing. Daytime temperatures hover around 30°C, while nights can cool down to about 18°C. These temperatures are typical, but it's wise to prepare for hotter days. Dress in light, airy clothing and protect yourself from the sun.
Precipitation
O'Fallon in June usually receives high rainfall, averaging around 119 mm for the month. Expect frequent showers this month, so make sure to have an umbrella to keep yourself dry. Based on our climate data of the past 30 years, about 12 days of rain are anticipated.Average sunshine
There are approximately 293 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.If your ideal day consists of dry skies and moderate temperatures October generally stands out with the best circumstances. While January, February and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized O'Fallon climate page with graphs.
O'Fallon, monthly averages in June
Min Temperature
18°C
Max Temperature
30°C
Chance of Rain
40%
Precipitation
119 mm
Rainy days
12 days
Humidity
67% *
Sunshine
293 hours *
Percentage Sunshine
66% *
Where to go 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.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in O'Fallon.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
