San Bernardino
July
Weather in San Bernardino for July 2025
Your guide to San Bernardino weather in July - trends and predictions
In general, the average temperature in San Bernardino at the beginning of July is 36.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 36.7 °F by the end of July.
Precipitation in San Bernardino during July is a rare event, with an average of fewer than 2 rainy days.
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30
Dry days
1
Rainy days
0
Snow days
37°/21°
Temperatures
15 km/h
Avg max wind
29 %
Avg humidity
San Bernardino in July average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  38° | 2 37° | 3 38° | 4 35° | 5 37° | 6 35° | |
| 7 33° | 8 35° | 9 36° | 10 39° | 11 39° | 12 36° | 13 37° |
| 14 37° | 15  39° | 16 38° | 17 37° | 18 37° | 19 39° | 20 39° |
| 21 38° | 22  37° | 23 36° | 24 39° | 25 39° | 26 39° | 27 37° |
| 28 36° | 29  36° | 30 35° | 31  35° |
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Temperatures trend during July in San Bernardino
See the weather trend as well as the moving average line
July weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 | Sunny | 38° /19° | 0 mm | 10 | |
| Jul. 2 | Sunny | 37° /18° | 0 mm | 9 | |
| Jul. 3 | Sunny | 38° /22° | 0 mm | 9 | |
| Jul. 4 | Sunny | 35° /21° | 0 mm | 9 | |
| Jul. 5 | Sunny | 37° /20° | 0 mm | 9 | |
| Jul. 6 | Sunny | 35° /21° | 0 mm | 9 | |
| Jul. 7 | Sunny | 33° /19° | 0 mm | 9 | |
| Jul. 8 | Sunny | 35° /19° | 0 mm | 9 | |
| Jul. 9 | Sunny | 36° /20° | 0 mm | 9 | |
| Jul. 10 | Sunny | 39° /21° | 0 mm | 10 | |
| Jul. 11 | Sunny | 39° /21° | 0 mm | 10 | |
| Jul. 12 | Sunny | 36° /21° | 0 mm | 9 | |
| Jul. 13 | Sunny | 37° /22° | 0 mm | 9 | |
| Jul. 14 | Sunny | 37° /22° | 0 mm | 9 | |
| Jul. 15 | Partly cloudy | 39° /23° | 0 mm | 10 | |
| Jul. 16 | Partly cloudy | 38° /23° | 0 mm | 10 | |
| Jul. 17 | Sunny | 37° /21° | 0 mm | 9 | |
| Jul. 18 | Sunny | 37° /22° | 0.4 mm | 9 | |
| Jul. 19 | Sunny | 39° /22° | 0 mm | 9 | |
| Jul. 20 | Partly cloudy | 39° /22° | 0 mm | 9 | |
| Jul. 21 | Sunny | 38° /24° | 0 mm | 9 | |
| Jul. 22 | Overcast | 37° /23° | 0 mm | 9 | |
| Jul. 23 | Overcast | 36° /22° | 1.7 mm | 8 | |
| Jul. 24 | Sunny | 39° /23° | 0 mm | 10 | |
| Jul. 25 | Sunny | 39° /23° | 0 mm | 10 | |
| Jul. 26 | Sunny | 39° /25° | 0 mm | 10 | |
| Jul. 27 | Sunny | 37° /20° | 0 mm | 9 | |
| Jul. 28 | Partly cloudy | 36° /21° | 0 mm | 9 | |
| Jul. 29 | Cloudy | 36° /21° | 0 mm | 8 | |
| Jul. 30 | Overcast | 35° /20° | 0 mm | 8 | |
| Jul. 31 | Patchy rain possible | 35° /20° | 0.3 mm | 8 | |
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Important Notice
Our weather forecast for San Bernardino 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 forecast closer to your planned date for the most up-to-date weather information.
San Bernardino in July - FAQ
What are the expected maximum and minimum temperatures in San Bernardino during July?
With daytime temperatures soaring above 37° and not dropping much below 21° at night, July in San Bernardino is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in San Bernardino during July?
Rainfall in San Bernardino 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 during July?
The average wind speed in San Bernardino during July is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
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