San Bernardino weather in August (California, United States of America)
What kind of weather does August bring to San Bernardino? Discover if this is the best time for your journey with our detailed monthly weather breakdown.
Temperatures
Typically, August in San Bernardino includes extremely high temperatures and almost no rainfall. Summer occurs in August. Expect temperatures to climb to 35°C during the day, with nighttime readings dropping to 18°C. As the year's hottest month, it's essential to have your summer gear ready. Keep cool with light clothing and enjoy the warmth.
Precipitation
San Bernardino in August usually receives almost no rainfall, averaging around 3.9 mm for the month. Typically around a single day days of rainfall are expected.Average sunshine
Enjoy a sunny month with about 351 hours of sunshine, providing a cheerful and lively atmosphere.If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit San Bernardino. January, February, March, April, May, June, October and November typically offer the most optimal weather. In contrast, July and August tend to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized San Bernardino climate page with graphs.
San Bernardino, monthly averages in August
Min Temperature
18°C
Max Temperature
35°C
Chance of Rain
3%
Precipitation
3.9 mm
Rainy days
a single day
Sunshine
351 hours *
Percentage Sunshine
*
Where to go 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.
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.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 San Bernardino.
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.
