Early summer · Weather & things to do
Sonoma in June
Sonoma warms up: highs climb to 86°F (30°C), from 76°F in May, with lows of 55°F (13°C) and about 0.2 in (6 mm) of rain.
At 88/100 for comfort (5th of 12), it's one of the best months to visit.
- Avg high
- 86°F (30°C)
- Avg low
- 55°F (13°C)
- Rain
- 0.2 in (6 mm)
- Humidity
- 56%
- Cloud cover
- 22%
- Daylight
- ~14 h 39 min
- Comfort score
- 88/100 · Great
What June feels like
Heat sets the pace, with highs around 86°F (30°C). Get out early and keep the hottest hours for somewhere cool.
There's a big swing between day and night, about 17°C (31°F), so mornings and evenings feel much cooler than the afternoon.
It's one of the drier stretches, with only about 0.2 in (6 mm) of rain.
Clear skies are common, with cloud cover averaging only 22%.
Plan around June
June is one of Sonoma's best months on the climate data.
- Last of the best-scoring months: by July, the score drops to 75/100.
- Longest days of the year, about 14 h 39 min of daylight.
- The year's biggest warm-up: highs jump 6°C (10°F) from May.
- Comfort slips from 98/100 in May to 88/100.
- June sits inside the Apr – Oct window our California Wine Country route recommends.
What to pack for June
- Light, breathable clotheshighs average 86°F
- Sunscreen, sunglasses and a hathigh UV on clear days
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningslows near 55°F
- Comfortable walking shoesmost picks involve some walking
What to do in Sonoma in June
Start early and take shelter at midday: the picks below pair morning outings with places to cool off.
Glen Ellen Star
Small wood-fired kitchen serving pizzas, roasted vegetables and local wines.
Why now A break from 86°F afternoons.
Gundlach Bundschu Winery
Family winery since 1858, with hillside vineyards and a relaxed tasting room.
Why now Somewhere to sit out the hottest hours.
Buena Vista Winery
California's oldest commercial winery (1857), with historic stone cellars.
Mission San Francisco Solano
The last of California's 21 missions, part of Sonoma State Historic Park.
Why now June scores 88/100 for comfort, good conditions for being outside.
Sonoma Plaza
California's largest town square, ringed by tasting rooms and shops.
Why now Highs near 86°F and 0.2 in of monthly rain make this an easy outdoor pick.
Nearby in June
- Napa in June~18 mi · highs 83°F, 0.2 in rain · 2°C (3°F) cooler by day, about as wet
- Healdsburg in June~31 mi · highs 72°F, 0.4 in rain · 8°C (14°F) cooler by day, about as wet
- San Francisco in June~36 mi · highs 71°F, 0.2 in rain · 8°C (15°F) cooler by day, about as wet
- Old Sacramento Waterfront in June~55 mi · highs 91°F, 0.2 in rain · 3°C (5°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 June: quick answers
Is June a good time to visit Sonoma?
Yes. On the climate data it's one of the best months, scoring 88/100. Expect highs of 86°F (30°C) and 0.2 in (6 mm) of rain. June is inside the Apr – Oct window our California Wine Country route recommends.
How hot is Sonoma in June?
Average highs are 86°F (30°C) and average lows 55°F (13°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Sonoma in June?
Not much: about 0.2 in (6 mm) of rain falls across June on average, the 4th-driest month of the year. The annual total is about 27.1 in (689 mm).
What should I pack for Sonoma in June?
Bring light, breathable clothes (highs average 86°F), sunscreen, sunglasses and a hat (high UV on clear days), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (lows near 55°F) and comfortable walking shoes (most picks involve some walking).
Routes in season in June
- California Wine Country Apr – Oct
Planning Sonoma in June?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.