Month guide · Napa Valley · United States
Napa Valley in July
What July is really like in Napa Valley: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Pictured: Culinary Institute of America at Greystone, Napa Valley · Photo: Eugene Zelenko, CC BY-SA 4.0
Quick answer
July is a shoulder-season month. Expect average highs of 31°C (88°F), lows of 12°C (54°F), almost no rainy days and roughly 14.6 hours of daylight. Hot afternoons, especially up-valley, with cool mornings ideal for balloon flights.
Key facts
- Average high / low
- 31°C (88°F) / 12°C (54°F)
- Rainy days
- About 0
- Daylight
- About 14.6 hours
- Crowds
- Busy
- Hotel prices
- High
Plan a trip to Napa Valley
Compare flights, places to stay and rental cars, then book with the provider you choose.
Weather in July
July is the warmest month in Napa Valley: days average 31°C (88°F) against a yearly average high of 23°C (73°F), and nights fall to about 12°C (54°F). Rain falls on roughly 0 of its 31 days. Compared with June (29°C (84°F)), July is warmer; by August highs stay near 31°C (88°F).
- Sunrise (15 July)
- About 05:58
- Sunset (15 July)
- About 20:32
- Daylight
- About 14.6 hours
Summer (June–August). Warm to hot, dry days with cool nights; ideal for balloon flights and outdoor dining, busy at weekends.
Crowds and prices
On a 1–5 scale, July rates 4 for crowds (the peak is September at 5) and 4 for hotel prices (highest in September). Book accommodation early: July is one of the pricier months.
Events in July
- Fourth of July celebrations in Napa towns
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in July
Mild, settled days suit walking, viewpoints and time outdoors.
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
Historic site · Calistoga
Schramsberg Vineyards
The cave tour with tasting is the reason to come; wear a light jacket, as the caves stay cool.
- Time needed
- 1.5 hours
- Cost
- Expensive
- History
- Couples
- Food
Architecture · St Helena
Culinary Institute of America at Greystone
The Greystone Cellars building, completed in 1889, was once among the largest stone wineries in the world and now houses the West Coast campus of the Culinary Institute of America.
- Time needed
- 1 hour
- Cost
- Low cost
- Architecture
- Food
- Rainy day
- History
What to pack
For highs near 31°C (88°F), lows near 12°C (54°F) and 0 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; comfortable walking shoes.
Is July a good time to visit Napa Valley?
A shoulder-season month, with a notable event on the calendar. 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 July?
At about 20:32 local time in mid-July, with sunrise at about 05:58: roughly 14.6 hours of daylight.
+How warm is Napa Valley in July?
Average highs are around 31°C (88°F) and lows around 12°C (54°F).
+Does it rain a lot in Napa Valley in July?
Expect rain on about 0 days of the month, so it is usually dry.