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Weather in Sonoma
Wine country charm in historic plaza
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About Sonoma
Sonoma's plaza anchors a charming wine country town where the Spanish mission, historic saloons, and tasting rooms gather around a tree-lined square. The surrounding valley produces world-class Pinots and Chardonnays. Redwood forests and coastal cliffs create diverse landscape.
Best months to visit
May, June, July, August, September, October
Things to do in Sonoma
Tour wineries around the town plaza
Hike among coast redwoods in nearby state parks
Paddleboard the Russian River or Sonoma Coast coves
Explore the Sonoma Mission and its history
Dine at farm-to-table restaurants sourcing local produce
Attend summer concerts in the plaza
Weather by month
Click any month for detailed weather information and travel tips.
January
15C
Cool, with occasional showers.
February
16C
Cool, with occasional showers.
March
17C
Cool, with occasional showers.
April
20C
Mild and comfortable, with occasional showers.
Recommended
May
23C
Mild and comfortable, and mostly sunny skies.
Recommended
June
28C
Warm and pleasant, and mostly sunny skies.
Recommended
July
29C
Warm and pleasant, and mostly sunny skies.
Recommended
August
30C
Hot and humid, and mostly sunny skies.
Recommended
September
29C
Warm and pleasant, and mostly sunny skies.
Recommended
October
25C
Warm and pleasant, and mostly sunny skies.
November
18C
Mild and comfortable, with occasional showers.
December
14C
Cool, with some rainy days.
Sonoma offers a quieter, less corporate alternative to neighbouring Napa Valley — a historic central plaza with a Spanish mission, surrounded by family-run wineries known for Pinot Noir, Zinfandel, and Chardonnay. The valley's small towns (Sonoma, Glen Ellen, Healdsburg) each have their own character, and the pace generally feels more relaxed and rural than Napa's busier tasting circuit.
Best areas to stay in Sonoma
Sonoma Plaza
The historic town square with the Sonoma Mission, restaurants, and easy access to nearby wineries.
Glen Ellen
A small, leafy village with creekside wineries and a relaxed, rural feel.
Healdsburg
A stylish town further north known for its plaza, restaurants, and Russian River Valley wineries.
Carneros
The cooler, southern part of the valley known for Pinot Noir and Chardonnay, closer to San Francisco Bay.
Getting to Sonoma
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Flights
Fly into San Francisco International Airport (SFO), about 1–1.5 hours away.
⏱
From London
~11 hours direct from London to SFO, plus a roughly 1-hour drive.
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Getting around
A car is essential for visiting wineries across the valley; the town plazas themselves are walkable.
Frequently asked questions
When is the best time to visit Sonoma?
Spring and autumn for mild weather and (in autumn) harvest activity; summer is warm but busy with visitors.
How do I get around Sonoma Valley?
A car is essential for visiting wineries spread across the valley, though Sonoma Plaza itself is walkable.
How does Sonoma compare to Napa?
Sonoma tends to be quieter, less expensive, and more focused on smaller family wineries, while Napa has more high-profile, larger estates.
What's on Sonoma Plaza?
The historic town square includes the Sonoma Mission, City Hall, and a ring of restaurants, shops, and tasting rooms.
Should I book tastings in advance?
Many wineries, especially smaller appointment-only ones, require reservations — worth booking ahead, particularly on weekends.
Traveler reviews
★★★★★
So much more relaxed than Napa — wandered Sonoma Plaza, had a long lunch, and visited a couple of small wineries without feeling rushed.
Vicky H. · October 2024
★★★★☆
Glen Ellen was a lovely base, very rural and quiet, with some excellent small wineries just a short drive away.
James O. · June 2023
★★★★★
Healdsburg's plaza was a highlight — great restaurants and a charming small-town feel surrounded by Russian River vineyards.
Tara M. · September 2024
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