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Fontana (CA)
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United States weather

Weather in Fontana, California for July 2026

Your guide to Fontana weather in July - trends and predictions

    Official Weather Alert ⚠️

  • High Surf Advisory - See hour by hour.

    • Temperatures

  • So far, July 2026 in Fontana is slightly warmer than the historical average by 0.6 °C.

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

  • In general, the average temperature in Fontana at the beginning of July is 34.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 39.6 °C by the end of July.

    • Rain 🌧️

  • Precipitation in Fontana 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
34°/21°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
37 %
Avg humidity

Fontana Weather July

Move between months or click on a day
June
August
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
34°
2
Sunny
34°
3
Sunny
34°
4
Sunny
33°
5
Sunny
35°
6
Sunny
35°
7
Sunny
34°
8
Sunny
35°
9
Sunny
36°
10
Sunny
37°
11
Sunny
36°
12
Sunny
34°
13
Sunny
35°
14
Sunny
36°
15
Sunny
37°
16
Sunny
35°
17
Sunny
35°
18
Sunny
35°
19
Weather Alert Sunny
39°
20
Sunny
34°
21
Sunny
35°
22
Sunny
37°
23
Sunny
39°
24
Sunny
38°
25
Sunny
39°
26
Sunny
40°
27
Sunny
40°
28
Sunny
41°
29
Sunny
42°
30
Sunny
38°
31
Sunny
37°

Temperatures trend during July in Fontana

See the weather trend as well as the moving average line

July weather in Fontana day by day

Click on a date for more information
June August
Date Weather Temperatures Rain UV More
Jul. 1 Sunny
Sunny
 34° /19° 0 mm 10
Jul. 2 Sunny
Sunny
 34° /18° 0 mm 10
Jul. 3 Sunny
Sunny
 34° /19° 0 mm 10
Jul. 4 Sunny
Sunny
 33° /19° 0 mm 10
Jul. 5 Sunny
Sunny
 35° /19° 0 mm 10
Jul. 6 Sunny
Sunny
 35° /20° 0 mm 10
Jul. 7 Sunny
Sunny
 34° /19° 0 mm 9
Jul. 8 Sunny
Sunny
 35° /20° 0 mm 10
Jul. 9 Sunny
Sunny
 36° /21° 0 mm 10
Jul. 10 Sunny
Sunny
 37° /20° 0 mm 10
Jul. 11 Sunny
Sunny
 36° /21° 0 mm 10
Jul. 12 Sunny
Sunny
 34° /20° 0 mm 10
Jul. 13 Sunny
Sunny
 35° /21° 1.4 mm 10
Jul. 14 Sunny
Sunny
 36° /21° 0 mm 10
Jul. 15 Sunny
Sunny
 37° /21° 0 mm 10
Jul. 16 Sunny
Sunny
 35° /21° 0 mm 9
Jul. 17 Sunny
Sunny
 35° /21° 0 mm 9
Jul. 18 Sunny
Sunny
 35° /21° 0.2 mm 10
Jul. 19 Sunny
Sunny
 39° /20° 0 mm 11.7
Jul. 20 Sunny
Sunny
 34° /21° 0 mm 11.5
Jul. 21 Sunny
Sunny
 35° /21° 0 mm 11.1
Jul. 22 Sunny
Sunny
 37° /21° 0 mm 11.6
Jul. 23 Sunny
Sunny
 39° /23° 0 mm 9
Jul. 24 Sunny
Sunny
 38° /23° 0 mm 9
Jul. 25 Sunny
Sunny
 39° /23° 0 mm 9
Jul. 26 Sunny
Sunny
 40° /24° 0 mm 9
Jul. 27 Sunny
Sunny
 40° /24° 0 mm 10
Jul. 28 Sunny
Sunny
 41° /24° 0 mm 10
Jul. 29 Sunny
Sunny
 42° /25° 0 mm 10
Jul. 30 Sunny
Sunny
 38° /25° 0 mm 9
Jul. 31 Sunny
Sunny
 37° /24° 0 mm 9
Next
Important Notice
Our weather forecast for Fontana 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 Fontana forecast closer to your planned date for the most up-to-date weather information.
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Fontana in July - FAQ

What are the expected maximum and minimum temperatures in Fontana during July?
During July, expect a variety of temperatures with highs around 34° and lows near 21°, suitable for diverse activities and preferences.

How much rainfall should be expected in Fontana during July?
Rainfall in Fontana 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 Fontana during July?
The average wind speed in Fontana during July is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

July rainfall patterns in Fontana

Explore the daily rainfall trends and prepare for Fontanas July weather 💧
Typically, Fontana has 1 rainy days in July with a total of 2.5 mm of rainfall.

UV exposure in Fontana during July

Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️

Quick links

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Location coordinates Where is Fontana?

Get accurate weather forecasts for Fontana, located at latitude 34.092 and longitude -117.435. Stay updated with localized weather information tailored for Fontana.

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