Sonoma County (Santa Rosa)
July
Weather in Sonoma County, California for July 2027
Your guide to Sonoma County weather in July - trends and predictions
In general, the average temperature in Sonoma County at the beginning of July is 27.2 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 27.8 °C by the end of July.
Precipitation in Sonoma County during July is a rare event, with an average of fewer than 2 rainy days.
Is July a good time to visit Sonoma County? check out the best time to travel to Sonoma County page.
✨ Is July a good time to visit Sonoma County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
31
Dry days
0
Rainy days
0
Snow days
28°/12°
Temperatures
15 km/h
Avg max wind
65 %
Avg humidity
Sonoma County Weather July
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Temperatures trend during July in Sonoma County
See the weather trend as well as the moving average line
July weather in Sonoma County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Partly cloudy | 30° /12° | 0 mm | 9 | |
| Jul. 2 |  Sunny | 30° /13° | 0 mm | 8 | |
| Jul. 3 |  Overcast | 28° /12° | 0 mm | 8 | |
| Jul. 4 | Overcast | 27° /11° | 0 mm | 7 | |
| Jul. 5 | Overcast | 26° /11° | 0 mm | 7 | |
| Jul. 6 | Overcast | 26° /11° | 0 mm | 7 | |
| Jul. 7 | Overcast | 25° /10° | 0 mm | 8 | |
| Jul. 8 |  Cloudy | 26° /11° | 0 mm | 8 | |
| Jul. 9 | Overcast | 27° /10° | 0 mm | 7 | |
| Jul. 10 | Overcast | 30° /10° | 0 mm | 9 | |
| Jul. 11 | Cloudy | 32° /12° | 0 mm | 9 | |
| Jul. 12 |  Patchy rain possible | 29° /11° | 1 mm | 8 | |
| Jul. 13 | Cloudy | 29° /13° | 0 mm | 8 | |
| Jul. 14 | Cloudy | 30° /12° | 0.1 mm | 8 | |
| Jul. 15 | Sunny | 29° /12° | 0 mm | 8 | |
| Jul. 16 | Sunny | 28° /12° | 0 mm | 8 | |
| Jul. 17 | Sunny | 28° /11° | 0 mm | 8 | |
| Jul. 18 | Cloudy | 27° /12° | 0 mm | 8 | |
| Jul. 19 | Overcast | 27° /11° | 0 mm | 8 | |
| Jul. 20 | Cloudy | 27° /12° | 0 mm | 7 | |
| Jul. 21 | Cloudy | 29° /14° | 0 mm | 8 | |
| Jul. 22 | Partly cloudy | 27° /14° | 0.1 mm | 7 | |
| Jul. 23 | Cloudy | 28° /13° | 0 mm | 8 | |
| Jul. 24 | Sunny | 28° /13° | 0 mm | 8 | |
| Jul. 25 | Sunny | 28° /13° | 0 mm | 8 | |
| Jul. 26 | Sunny | 26° /11° | 0 mm | 7 | |
| Jul. 27 | Cloudy | 26° /12° | 0 mm | 7 | |
| Jul. 28 | Overcast | 28° /12° | 0 mm | 7 | |
| Jul. 29 | Cloudy | 28° /11° | 0 mm | 7 | |
| Jul. 30 |  Mist | 29° /12° | 0 mm | 8 | |
| Jul. 31 | Cloudy | 30° /12° | 0 mm | 8 | |
| Next | |||||
Important Notice
Our weather forecast for Sonoma 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 Sonoma County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Sonoma County in July - FAQ
What are the expected maximum and minimum temperatures in Sonoma County during July?
Enjoy moderate daytime temperatures of up to 28° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sonoma County during July?
Rainfall in Sonoma County 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 Sonoma County during July?
The average wind speed in Sonoma County during July is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
UV exposure in Sonoma County during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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