Sunnyvale (CA)
July
Weather in Sunnyvale, California for July 2026
Your guide to Sunnyvale weather in July - trends and predictions
In general, the average temperature in Sunnyvale at the beginning of July is 29.6 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 26.6 °F by the end of July.
Precipitation in Sunnyvale during July is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
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31
Dry days
0
Rainy days
0
Snow days
29°/14°
Temperatures
13 km/h
Avg max wind
56 %
Avg humidity
Sunnyvale Weather July
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Temperatures trend during July in Sunnyvale
See the weather trend as well as the moving average line
July weather in Sunnyvale day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Sunny | 34° /16° | 0 mm | 8 | |
| Jul. 2 | Sunny | 33° /16° | 0 mm | 8 | |
| Jul. 3 |  Overcast | 29° /15° | 0 mm | 7 | |
| Jul. 4 | Sunny | 28° /14° | 0 mm | 7 | |
| Jul. 5 | Sunny | 27° /13° | 0 mm | 7 | |
| Jul. 6 | Overcast | 28° /13° | 0 mm | 7 | |
| Jul. 7 | Overcast | 28° /14° | 0 mm | 6 | |
| Jul. 8 | Overcast | 27° /13° | 0 mm | 6 | |
| Jul. 9 |  Patchy rain possible | 25° /13° | 0 mm | 6 | |
| Jul. 10 | Overcast | 31° /12° | 0 mm | 7 | |
| Jul. 11 |  Partly cloudy | 34° /14° | 0 mm | 8 | |
| Jul. 12 | Partly cloudy | 31° /15° | 0 mm | 8 | |
| Jul. 13 | Partly cloudy | 31° /15° | 0 mm | 8 | |
| Jul. 14 | Partly cloudy | 31° /15° | 0 mm | 8 | |
| Jul. 15 | Partly cloudy | 31° /13° | 0 mm | 8 | |
| Jul. 16 | Overcast | 30° /14° | 0 mm | 7 | |
| Jul. 17 |  Cloudy | 29° /14° | 0 mm | 7 | |
| Jul. 18 | Partly cloudy | 28° /13° | 0 mm | 7 | |
| Jul. 19 | Partly cloudy | 29° /13° | 0 mm | 7 | |
| Jul. 20 | Partly cloudy | 29° /13° | 0 mm | 7 | |
| Jul. 21 | Partly cloudy | 26° /13° | 0 mm | 7 | |
| Jul. 22 | Overcast | 30° /14° | 0 mm | 7 | |
| Jul. 23 | Overcast | 29° /16° | 0 mm | 7 | |
| Jul. 24 | Partly cloudy | 29° /15° | 0.2 mm | 7 | |
| Jul. 25 | Cloudy | 29° /15° | 0 mm | 7 | |
| Jul. 26 | Partly cloudy | 25° /13° | 0 mm | 6 | |
| Jul. 27 | Cloudy | 25° /12° | 0 mm | 6 | |
| Jul. 28 | Overcast | 26° /12° | 0 mm | 6 | |
| Jul. 29 | Cloudy | 25° /12° | 0 mm | 6 | |
| Jul. 30 | Cloudy | 27° /14° | 0 mm | 6 | |
| Jul. 31 | Overcast | 29° /13° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Sunnyvale 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 Sunnyvale forecast closer to your planned date for the most up-to-date weather information.
Change Month
Sunnyvale in July - FAQ
What are the expected maximum and minimum temperatures in Sunnyvale during July?
Enjoy moderate daytime temperatures of up to 29° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sunnyvale during July?
Rainfall in Sunnyvale during July is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 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 Sunnyvale during July?
The average wind speed in Sunnyvale during July is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
UV exposure in Sunnyvale during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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