Early summer · Weather & things to do
Napa in June
Napa warms up: highs climb to 83°F (28°C), from 73°F in May, with lows of 53°F (11°C) and about 0.2 in (6 mm) of rain.
At 94/100 for comfort (4th of 12), it's one of the best months to visit.
- Avg high
- 83°F (28°C)
- Avg low
- 53°F (11°C)
- Rain
- 0.2 in (6 mm)
- Humidity
- 56%
- Cloud cover
- 22%
- Daylight
- ~14 h 40 min
- Comfort score
- 94/100 · Great
What June feels like
Days are warm, averaging 83°F (28°C), easy weather for being outside from morning to evening.
There's a big swing between day and night, about 17°C (31°F), so mornings and evenings feel much cooler than the afternoon.
Rain is scarce: about 0.2 in (6 mm) for the whole month.
Clear skies are common, with cloud cover averaging only 22%.
Plan around June
June is one of Napa's best months on the climate data.
- Last of the best-scoring months: by July, the score drops to 82/100.
- Longest days of the year, about 14 h 40 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 94/100.
- June sits inside the Apr – Oct window our California Wine Country route recommends.
What to pack for June
- Light, breathable clothes83°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- A warm layer for eveningsnights drop to 53°F
- Comfortable walking shoesmost picks involve some walking
What to do in Napa in June
With conditions on your side, the picks below favor time outside.
Silverado Trail
Quieter road along the valley's east side, lined with wineries.
Why now June scores 94/100 for comfort, good conditions for being outside.
Stag's Leap Wine Cellars
Home of the Cabernet that won the 1976 Judgment of Paris.
Gott's Roadside
Open-air burger stand with ahi burgers, garlic fries and shakes.
Oxbow Public Market
Indoor market with oysters, tacos, cheese and coffee by the Napa River.
Domaine Carneros
Chateau-style sparkling wine house with a terrace over the vineyards.
Why now Highs near 83°F and 0.2 in of monthly rain make this an easy outdoor pick.
Nearby in June
- Sonoma in June~18 mi · highs 86°F, 0.2 in rain · 2°C (3°F) warmer by day, about as wet
- Healdsburg in June~33 mi · highs 72°F, 0.4 in rain · 6°C (11°F) cooler by day, about as wet
- Old Sacramento Waterfront in June~42 mi · highs 91°F, 0.2 in rain · 4°C (8°F) warmer by day, about as wet
- San Francisco in June~51 mi · highs 71°F, 0.2 in rain · 7°C (12°F) cooler by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Napa in June: quick answers
Is June a good time to visit Napa?
Yes. On the climate data it's one of the best months, scoring 94/100. Expect highs of 83°F (28°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 Napa in June?
Average highs are 83°F (28°C) and average lows 53°F (11°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Napa 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 Napa in June?
Bring light, breathable clothes (83°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), a warm layer for evenings (nights drop to 53°F) and comfortable walking shoes (most picks involve some walking).
Routes in season in June
- California Wine Country Apr – Oct
Planning Napa in June?
Share this June plan with your group, poll everyone on dates and keep the packing list in one place.