Month guide · Napa Valley · United States
Napa Valley in March
What March is really like in Napa Valley: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Pictured: Napa Valley Wine Train, Napa Valley · Photo: Drew Jacksich from San Jose, California Republic, CC BY 2.0
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Quick answer
March is a good-value shoulder-season month. Expect average highs of 19°C (66°F), lows of 5°C (41°F), about 8 rainy days and roughly 11.8 hours of daylight. Spring bud break begins, with green hills and showers.
Key facts
- Average high / low
- 19°C (66°F) / 5°C (41°F)
- Rainy days
- About 8
- Daylight
- About 11.8 hours
- Crowds
- Quiet
- Hotel prices
- Low
Plan a trip to Napa Valley
Compare flights, places to stay and rental cars, then book with the provider you choose.
Weather in March
March is the 8th-warmest month in Napa Valley: days average 19°C (66°F) against a yearly average high of 23°C (73°F), and nights fall to about 5°C (41°F). Rain falls on roughly 8 of its 31 days. Compared with February (17°C (63°F)), March is warmer; by April highs climb to around 22°C (72°F).
- Sunrise (15 March)
- About 07:21
- Sunset (15 March)
- About 19:16
- Daylight
- About 11.8 hours
Spring (March–May). Bud break, green hills and mild weather; spring is quieter than summer and autumn, with good-value midweek stays.
Crowds and prices
On a 1–5 scale, March rates 2 for crowds (the peak is September at 5) and 2 for hotel prices (highest in September). That makes March one of the better-value months to book.
Events in March
March has no major recurring festival in Napa Valley, which usually means easier bookings.
What to do in March
Mild, settled days suit walking, viewpoints and time outdoors.
Castle · Calistoga
Castello di Amorosa
Book a guided tour to see the lower cellars, which are not part of a basic tasting visit.
- Time needed
- 2 hours
- Cost
- Expensive
- Architecture
- Rainy day
- Photo spot
- Kids
Historic site · St Helena
Beringer Vineyards
Founded in 1876 by German immigrants Jacob and Frederick Beringer, Beringer is often cited as the oldest continuously operating winery in the Napa Valley.
- Time needed
- 1.5 hours
- Cost
- Expensive
- History
- Architecture
- Food
Historic site · Oakville and Rutherford
Inglenook
Book a tasting with a tour of the château and caves to understand the estate's long history.
- Time needed
- 1.5–2 hours
- Cost
- Expensive
- History
- Architecture
- Food
- Couples
Historic site · Calistoga
Chateau Montelena
A stone château from the 1880s set beside a Chinese-style garden and lake at the north end of the valley.
- Time needed
- 1.5 hours
- Cost
- Expensive
- History
- Couples
- Food
What to pack
For highs near 19°C (66°F), lows near 5°C (41°F) and 8 wet days: layers, a warm sweater and a jacket for cool evenings; a packable rain jacket for showers; comfortable walking shoes.
Is March a good time to visit Napa Valley?
A good-value shoulder-season month. If your dates are flexible, April–June and September–October are better overall. Compare every month.
Napa Valley in other months
Questions travellers ask
+What time does the sun set in Napa Valley in March?
At about 19:16 local time in mid-March, with sunrise at about 07:21: roughly 11.8 hours of daylight.
+How warm is Napa Valley in March?
Average highs are around 19°C (66°F) and lows around 5°C (41°F).
+Does it rain a lot in Napa Valley in March?
Expect rain on about 8 days of the month.