Mid-summer · Weather & things to do
Sonoma in July
Sonoma's warmest month brings highs averaging 92°F (33°C), lows of 58°F (15°C) and less than 0.1 in (3 mm) of rain.
Our comfort score puts it mid-table at 75/100, 9th of 12.

- Avg high
- 92°F (33°C)
- Avg low
- 58°F (15°C)
- Rain
- less than 0.1 in (3 mm)
- Humidity
- 49%
- Cloud cover
- 19%
- Daylight
- ~14 h 25 min
- Comfort score
- 75/100 · Great
What July feels like
Afternoons run hot at about 92°F (33°C), which leaves mornings and evenings as the time for walking.
Mornings start much cooler: lows average 58°F (15°C), about 19°C (33°F) below the afternoon high.
Rain is scarce: less than 0.1 in (3 mm) for the whole month.
Sunny spells dominate: cloud cover averages 19%.
Plan around July
July sits mid-table; the best months are April – June and October & November.
- Comfort slips from 88/100 in June to 75/100.
- July sits inside the Apr – Oct window our California Wine Country route recommends.
What to pack for July
- Light, breathable clothes92°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningsnights drop to 58°F
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Sonoma in July
Afternoons run hot (92°F), so these picks mix early-start outdoor spots with cool indoor breaks.
Jack London State Historic Park
Ranch trails, vineyard views and the ruins of Jack London's Wolf House.
Why now July scores 75/100 for comfort, good conditions for being outside.
The Girl & the Fig
Wine-country French cooking just off the plaza, open since 1997.
Why now Highs near 92°F and 0.0 in of monthly rain make this an easy outdoor pick.
Basque Boulangerie Café
Plaza bakery for pastries, coffee and sandwiches to take on the road.
Why now One to do outside while the weather is on your side.
Gundlach Bundschu Winery
Family winery since 1858, with hillside vineyards and a relaxed tasting room.
Why now A break from 92°F afternoons.
Mission San Francisco Solano
The last of California's 21 missions, part of Sonoma State Historic Park.
Why now Go early — afternoons average 92°F.
Nearby in July
- Napa in July~18 mi · highs 89°F, 0.0 in rain · 2°C (3°F) cooler by day, about as wet
- Healdsburg in July~31 mi · highs 76°F, 0.0 in rain · 9°C (16°F) cooler by day, about as wet
- San Francisco in July~36 mi · highs 73°F, 0.0 in rain · 11°C (19°F) cooler by day, about as wet
- Old Sacramento Waterfront in July~55 mi · highs 98°F, 0.0 in rain · 4°C (6°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~266 m to Sonoma's ~26 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Sonoma in July: quick answers
Is July a good time to visit Sonoma?
It's middling, scoring 75/100. The best months are April – June and October & November, at up to 100. Expect highs of 92°F (33°C) and less than 0.1 in (3 mm) of rain. July is inside the Apr – Oct window our California Wine Country route recommends.
How hot is Sonoma in July?
Average highs are 92°F (33°C) and average lows 58°F (15°C), making it the warmest month by daytime highs.
Does it rain a lot in Sonoma in July?
Not much: less than 0.1 in (3 mm) of rain falls across July on average, the 2nd-driest month of the year. The annual total is about 27.1 in (689 mm).
What should I pack for Sonoma in July?
Bring light, breathable clothes (92°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (nights drop to 58°F) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Routes in season in July
- California Wine Country Apr – Oct
Planning Sonoma in July?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.





