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San Bernardino County (San Bernardino)
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United States weather

Weather in San Bernardino County, California for July 2026

Your guide to San Bernardino County weather in July - trends and predictions

    Official Weather Alert ⚠️

  • High Surf Advisory - See hour by hour.

    • Temperatures

  • Until now, July 2026 in San Bernardino County has been nearly identical to the historical average, with a temperature of 36.3 °C (showing only a slight deviation of 0.2 °C).

  • The forecast for the next days in San Bernardino County predicts temperatures to be around 38 °C, close to the historical average.

  • In general, the average temperature in San Bernardino County at the beginning of July is 35.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 39.1 °C by the end of July.

    • Rain 🌧️

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

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
30
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
35°/20°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
34 %
Avg humidity

San Bernardino County Weather July

Move between months or click on a day
June
August
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
35°
2
Sunny
35°
3
Sunny
36°
4
Sunny
35°
5
Sunny
36°
6
Sunny
35°
7
Sunny
35°
8
Sunny
36°
9
Sunny
37°
10
Sunny
38°
11
Sunny
37°
12
Sunny
35°
13
Sunny
36°
14
Sunny
37°
15
Sunny
38°
16
Sunny
36°
17
Sunny
36°
18
Sunny
36°
19
Weather Alert Sunny
35°
20
Sunny
34°
21
Sunny
36°
22
Sunny
38°
23
Sunny
40°
24
Sunny
39°
25
Sunny
38°
26
Sunny
39°
27
Sunny
41°
28
Sunny
41°
29
Sunny
38°
30
Sunny
39°
31
Sunny
38°

Temperatures trend during July in San Bernardino County

See the weather trend as well as the moving average line

July weather in San Bernardino County day by day

Click on a date for more information
June August
Date Weather Temperatures Rain UV More
Jul. 1 Sunny
Sunny
 35° /17° 0 mm 10
Jul. 2 Sunny
Sunny
 35° /16° 0 mm 10
Jul. 3 Sunny
Sunny
 36° /18° 0 mm 10
Jul. 4 Sunny
Sunny
 35° /18° 0 mm 10
Jul. 5 Sunny
Sunny
 36° /19° 0 mm 10
Jul. 6 Sunny
Sunny
 35° /19° 0 mm 10
Jul. 7 Sunny
Sunny
 35° /18° 0 mm 10
Jul. 8 Sunny
Sunny
 36° /18° 0 mm 10
Jul. 9 Sunny
Sunny
 37° /20° 0 mm 10
Jul. 10 Sunny
Sunny
 38° /20° 0 mm 10
Jul. 11 Sunny
Sunny
 37° /20° 0 mm 10
Jul. 12 Sunny
Sunny
 35° /19° 0 mm 10
Jul. 13 Sunny
Sunny
 36° /20° 2.6 mm 10
Jul. 14 Sunny
Sunny
 37° /20° 0 mm 10
Jul. 15 Sunny
Sunny
 38° /21° 0 mm 10
Jul. 16 Sunny
Sunny
 36° /20° 0 mm 10
Jul. 17 Sunny
Sunny
 36° /20° 0 mm 10
Jul. 18 Sunny
Sunny
 36° /20° 0.2 mm 8
Jul. 19 Sunny
Sunny
 35° /19° 0 mm 11.7
Jul. 20 Sunny
Sunny
 34° /19° 0 mm 11.6
Jul. 21 Sunny
Sunny
 36° /19° 0 mm 10.3
Jul. 22 Sunny
Sunny
 38° /20° 0 mm 11.6
Jul. 23 Sunny
Sunny
 40° /23° 0 mm 10
Jul. 24 Sunny
Sunny
 39° /23° 0 mm 9
Jul. 25 Sunny
Sunny
 38° /22° 0 mm 9
Jul. 26 Sunny
Sunny
 39° /21° 0 mm 9
Jul. 27 Sunny
Sunny
 41° /23° 0 mm 10
Jul. 28 Sunny
Sunny
 41° /23° 0 mm 10
Jul. 29 Sunny
Sunny
 38° /22° 0 mm 9
Jul. 30 Sunny
Sunny
 39° /21° 0 mm 9
Jul. 31 Sunny
Sunny
 38° /21° 0 mm 9
Next
Important Notice
Our weather forecast for San Bernardino County in July 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 County forecast closer to your planned date for the most up-to-date weather information.
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San Bernardino County in July - FAQ

What are the expected maximum and minimum temperatures in San Bernardino County during July?
Expect warm days with temperatures around 35°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.

How much rainfall should be expected in San Bernardino County during July?
Rainfall in San Bernardino County during July is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.

What are the typical wind conditions in San Bernardino County during July?
The average wind speed in San Bernardino County during July is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

July rainfall patterns in San Bernardino County

Explore the daily rainfall trends and prepare for San Bernardino Countys July weather 💧
Typically, San Bernardino County has 1 rainy days in July with a total of 1.6 mm of rainfall.

UV exposure in San Bernardino County during July

Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
Top locations in San Bernardino County
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Big Bear LakeFontanaOntarioRancho CucamongaSan Bernardino
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Location coordinates Where is San Bernardino County?

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

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