Mid-spring · Weather & things to do
Sonoma in April
Sonoma warms up: highs climb to 67°F (20°C), from 63°F in March, with lows of 46°F (8°C) and about 1.9 in (47 mm) of rain.
April opens the best stretch on our comfort score, at 95/100 (3rd of 12).
- Avg high
- 67°F (20°C)
- Avg low
- 46°F (8°C)
- Rain
- 1.9 in (47 mm)
- Humidity
- 76%
- Cloud cover
- 44%
- Daylight
- ~13 h 00 min
- Comfort score
- 95/100 · Great
What April feels like
Expect mild afternoons around 67°F (20°C), good for long walks.
There's a big swing between day and night, about 12°C (22°F), so mornings and evenings feel much cooler than the afternoon.
Rain is moderate at about 1.9 in (47 mm) for the month.
Plan around April
April is one of Sonoma's best months on the climate data.
- Opens the best-scoring stretch on our comfort score: April – June and October & November.
- Comfort improves from 84/100 in March to 95/100.
- April sits inside the Apr – Oct window our California Wine Country route recommends.
What to pack for April
- A warm layer for eveningslows near 46°F
- Comfortable walking shoesmost picks involve some walking
What to do in Sonoma in April
April is good outdoor weather here, so these picks lean toward the open air.
Jack London State Historic Park
Ranch trails, vineyard views and the ruins of Jack London's Wolf House.
Why now April scores 95/100 for comfort, good conditions for being outside.
Glen Ellen Star
Small wood-fired kitchen serving pizzas, roasted vegetables and local wines.
Gundlach Bundschu Winery
Family winery since 1858, with hillside vineyards and a relaxed tasting room.
The Girl & the Fig
Wine-country French cooking just off the plaza, open since 1997.
Why now Highs near 67°F and 1.9 in of monthly rain make this an easy outdoor pick.
Buena Vista Winery
California's oldest commercial winery (1857), with historic stone cellars.
Nearby in April
- Napa in April~18 mi · highs 65°F, 1.9 in rain · 2°C (3°F) cooler by day, about as wet
- Healdsburg in April~31 mi · highs 61°F, 2.5 in rain · 4°C (6°F) cooler by day, wetter
- San Francisco in April~36 mi · highs 63°F, 1.7 in rain · 3°C (5°F) cooler by day, about as wet
- Old Sacramento Waterfront in April~55 mi · highs 71°F, 2.0 in rain · 2°C (3°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 April: quick answers
Is April a good time to visit Sonoma?
Yes. On the climate data it's one of the best months, scoring 95/100. Expect highs of 67°F (20°C) and 1.9 in (47 mm) of rain. April is inside the Apr – Oct window our California Wine Country route recommends.
How hot is Sonoma in April?
Average highs are 67°F (20°C) and average lows 46°F (8°C), making it the 6th-coldest month by daytime highs.
Does it rain a lot in Sonoma in April?
Not much: about 1.9 in (47 mm) of rain falls across April on average, the 6th-wettest month of the year. The annual total is about 27.1 in (689 mm).
What should I pack for Sonoma in April?
Bring a warm layer for evenings (lows near 46°F) and comfortable walking shoes (most picks involve some walking).
Routes in season in April
- California Wine Country Apr – Oct
Planning Sonoma in April?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.