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United States weather

Weather in Sonoma County, California for July 2026

Your guide to Sonoma County weather in July - trends and predictions

    Temperatures

  • Until now, July 2026 in Sonoma County has been nearly identical to the historical average, with a temperature of 27.9 °C (showing only a slight deviation of -0.4 °C).

  • The forecast for the next days in Sonoma County predicts temperatures to be around 35 °C, close to the historical average.

  • In general, the average temperature in Sonoma County at the beginning of July is 27.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 36.7 °C by the end of July.

    • Rain 🌧️

  • Precipitation in Sonoma 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
28°/12°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Sonoma County Weather July

Move between months or click on a day
June
August
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
30°
2
Sunny
30°
3
Overcast
28°
4
Overcast
27°
5
Overcast
26°
6
Overcast
26°
7
Overcast
26°
8
Cloudy
26°
9
Overcast
27°
10
Overcast
31°
11
Cloudy
32°
12
Cloudy
29°
13
Cloudy
30°
14
Cloudy
30°
15
Sunny
30°
16
Sunny
28°
17
Sunny
28°
18
Cloudy
27°
19
Overcast
27°
20
Fog
26°
21
Sunny
32°
22
Sunny
34°
23
Sunny
32°
24
Sunny
31°
25
Sunny
31°
26
Sunny
34°
27
Sunny
35°
28
Sunny
35°
29
Sunny
41°
30
Sunny
40°
31
Sunny
41°

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

Click on a date for more information
June August
Date Weather Temperatures Rain UV More
Jul. 1 Partly cloudy
Partly cloudy
 30° /11° 0 mm 9
Jul. 2 Sunny
Sunny
 30° /13° 0 mm 8
Jul. 3 Overcast
Overcast
 28° /11° 0 mm 8
Jul. 4 Overcast
Overcast
 27° /10° 0 mm 7
Jul. 5 Overcast
Overcast
 26° /10° 0 mm 7
Jul. 6 Overcast
Overcast
 26° /11° 0 mm 7
Jul. 7 Overcast
Overcast
 26° /10° 0 mm 8
Jul. 8 Cloudy
Cloudy
 26° /10° 0 mm 8
Jul. 9 Overcast
Overcast
 27° /10° 0 mm 7
Jul. 10 Overcast
Overcast
 31° /10° 0 mm 9
Jul. 11 Cloudy
Cloudy
 32° /11° 0 mm 9
Jul. 12 Cloudy
Cloudy
 29° /11° 1 mm 8
Jul. 13 Cloudy
Cloudy
 30° /12° 0 mm 8
Jul. 14 Cloudy
Cloudy
 30° /12° 0.1 mm 8
Jul. 15 Sunny
Sunny
 30° /12° 0 mm 8
Jul. 16 Sunny
Sunny
 28° /12° 0 mm 8
Jul. 17 Sunny
Sunny
 28° /11° 0 mm 8
Jul. 18 Cloudy
Cloudy
 27° /11° 0 mm 8
Jul. 19 Overcast
Overcast
 27° /11° 0 mm 8
Jul. 20 Fog
Fog
 26° /13° 0 mm 9.5
Jul. 21 Sunny
Sunny
 32° /11° 0 mm 10.4
Jul. 22 Sunny
Sunny
 34° /14° 0 mm 10.4
Jul. 23 Sunny
Sunny
 32° /13° 0 mm 10.8
Jul. 24 Sunny
Sunny
 31° /12° 0 mm 8
Jul. 25 Sunny
Sunny
 31° /11° 0 mm 8
Jul. 26 Sunny
Sunny
 34° /11° 0 mm 8
Jul. 27 Sunny
Sunny
 35° /13° 0 mm 8
Jul. 28 Sunny
Sunny
 35° /13° 0 mm 9
Jul. 29 Sunny
Sunny
 41° /18° 0 mm 10
Jul. 30 Sunny
Sunny
 40° /19° 0 mm 10
Jul. 31 Sunny
Sunny
 41° /19° 0 mm 10
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.
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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 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 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 ☀️
Top locations in Sonoma County
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Santa Rosa
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Location coordinates Where is Sonoma County?

Get accurate weather forecasts for Sonoma County, located at latitude 38.44 and longitude -122.714. Stay updated with localized weather information tailored for Sonoma County.

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