Weather in August 2025

San Bernardino weather in August 2025

The weather in San Bernardino in August is hot. The average temperatures are between 16°C and 34°C. Usually the days in August are hot while the nights are a bit cooler.

There shouldn't be any rainy days in in San Bernardino during August. Having said that, the days are very hot in August so hanging out outside is more recomanded during the after noons and evening time.

Our weather forecast can give you a great sense of what weather to expect in San Bernardino in August 2025.

If you’re planning to visit San Bernardino in the near future, we highly recommend that you review the 14 day weather forecast for San Bernardino before you arrive.

Temperatures
Temperatures
34° / 16°
Rainy Days
Rainy Days
0
Snowy Days
Snowy Days
0
Dry Days
Dry Days
31
Rainfall
Rainfall
10
mm
12.0
Sun Hours
12.0
Hrs

San Bernardino annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 18° / 5° 2 29 0 50 mm
Good
February 18° / 5° 2 26 0 55 mm
Good
March 20° / 5° 2 29 0 31 mm
Good
April 23° / 7° 1 29 0 23 mm
Perfect
May 26° / 9° 0 31 0 7 mm
Perfect
June 31° / 12° 0 30 0 2 mm
Good
July 34° / 15° 1 30 0 18 mm
Ok
August 34° / 16° 0 31 0 10 mm
Ok
September 32° / 14° 0 30 0 7 mm
Good
October 27° / 10° 0 31 0 8 mm
Perfect
November 22° / 7° 1 29 0 18 mm
Good
December 17° / 4° 3 28 0 63 mm
Good
Temperatures in San Bernardino in August
Rain in San Bernardino in August

Recommended Hotels in San Bernardino

We know that finding the ideal hotel in San Bernardino can be a hard task...

That’s why we run our special tools and found the best hotels in San Bernardino. Click on hotel for more details.

Weather in San Bernardino in August - FAQ

What is the average temperature in San Bernardino in August?
The average temperature in San Bernardino in August is 16/34° C.
What is the chance of rain in San Bernardino in August?
On average, there are 0 rainy days in San Bernardino during August.
Weather wise, is August a good time to visit San Bernardino?
The weather in San Bernardino in August is ok.
Can it snow in San Bernardino in August?
On average, there are 0 snowy days in San Bernardino in August.
More about the weather in San Bernardino