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San Bernardino (CA)
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United States weather

Weather in San Bernardino, California for August 2027

Your guide to San Bernardino weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in San Bernardino at the beginning of August is 37.3 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 36.8 °C by the end of August.

    • Rain 🌧️

  • Precipitation in San Bernardino during August is a rare event, with an average of fewer than 2 rainy days.

    • More

  • Is August a good time to visit San Bernardino? check out the best time to travel to San Bernardino page.

  • ✨ Is August a good time to visit San Bernardino? – Ask the AI Weatherman

Average dry days
30
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
36°/20°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
37 %
Avg humidity

San Bernardino Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
37°
2
Sunny
37°
3
Sunny
37°
4
Sunny
37°
5
Sunny
38°
6
Sunny
38°
7
Sunny
37°
8
Sunny
37°
9
Patchy rain possible
36°
10
Sunny
35°
11
Patchy rain possible
34°
12
Sunny
35°
13
Sunny
34°
14
Sunny
35°
15
Sunny
35°
16
Sunny
35°
17
Sunny
36°
18
Sunny
37°
19
Sunny
36°
20
Moderate rain
35°
21
Light rain
36°
22
Sunny
36°
23
Sunny
35°
24
Sunny
36°
25
Sunny
37°
26
Sunny
37°
27
Sunny
37°
28
Sunny
36°
29
Sunny
37°
30
Sunny
38°
31
Sunny
37°

Temperatures trend during August in San Bernardino

See the weather trend as well as the moving average line

August weather in San Bernardino day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Sunny
Sunny
 37° /20° 0 mm 9
Aug. 2 Sunny
Sunny
 37° /20° 0 mm 10
Aug. 3 Sunny
Sunny
 37° /21° 0 mm 10
Aug. 4 Sunny
Sunny
 37° /20° 0 mm 10
Aug. 5 Sunny
Sunny
 38° /21° 0 mm 10
Aug. 6 Sunny
Sunny
 38° /22° 0 mm 10
Aug. 7 Sunny
Sunny
 37° /22° 0 mm 10
Aug. 8 Sunny
Sunny
 37° /22° 0.2 mm 10
Aug. 9 Patchy rain possible
Patchy rain possible
 36° /21° 1.5 mm 9
Aug. 10 Sunny
Sunny
 35° /21° 0 mm 9
Aug. 11 Patchy rain possible
Patchy rain possible
 34° /20° 1 mm 9
Aug. 12 Sunny
Sunny
 35° /19° 0 mm 10
Aug. 13 Sunny
Sunny
 34° /19° 0 mm 9
Aug. 14 Sunny
Sunny
 35° /19° 0 mm 10
Aug. 15 Sunny
Sunny
 35° /19° 0 mm 10
Aug. 16 Sunny
Sunny
 35° /20° 0.3 mm 9
Aug. 17 Sunny
Sunny
 36° /20° 0 mm 10
Aug. 18 Sunny
Sunny
 37° /20° 0 mm 10
Aug. 19 Sunny
Sunny
 36° /20° 0.2 mm 9
Aug. 20 Moderate rain
Moderate rain
 35° /20° 23.2 mm 9
Aug. 21 Light rain
Light rain
 36° /21° 6.1 mm 9
Aug. 22 Sunny
Sunny
 36° /20° 0 mm 9
Aug. 23 Sunny
Sunny
 35° /21° 0 mm 9
Aug. 24 Sunny
Sunny
 36° /20° 0 mm 9
Aug. 25 Sunny
Sunny
 37° /20° 0 mm 10
Aug. 26 Sunny
Sunny
 37° /20° 0 mm 9
Aug. 27 Sunny
Sunny
 37° /22° 0 mm 7
Aug. 28 Sunny
Sunny
 36° /22° 0.1 mm 8
Aug. 29 Sunny
Sunny
 37° /22° 0 mm 9
Aug. 30 Sunny
Sunny
 38° /21° 0 mm 9.7
Aug. 31 Sunny
Sunny
 37° /20° 0 mm 9
Next
Important Notice
Our weather forecast for San Bernardino in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Bernardino forecast closer to your planned date for the most up-to-date weather information.
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San Bernardino in August - FAQ

What are the expected maximum and minimum temperatures in San Bernardino during August?
Expect warm days with temperatures around 36°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.

How much rainfall should be expected in San Bernardino during August?
In August, San Bernardino can expect light to moderate rainfall, totaling 32.5 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in San Bernardino during August?
The average wind speed in San Bernardino during August is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in San Bernardino

Explore the daily rainfall trends and prepare for San Bernardinos August weather 💧
Typically, San Bernardino has 1 rainy days in August with a total of 32.5 mm of rainfall.

UV exposure in San Bernardino during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Location coordinates Where is San Bernardino?

Get accurate weather forecasts for San Bernardino, located at latitude 34.108 and longitude -117.29. Stay updated with localized weather information tailored for San Bernardino.

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