Mid-spring · Weather & things to do
Napa in April
Napa warms up: highs climb to 65°F (18°C), from 60°F in March, with lows of 43°F (6°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
- 65°F (18°C)
- Avg low
- 43°F (6°C)
- Rain
- 1.9 in (47 mm)
- Humidity
- 76%
- Cloud cover
- 44%
- Daylight
- ~13 h 01 min
- Comfort score
- 95/100 · Great
What April feels like
Days are mild at around 65°F (18°C): comfortable for walking all day, with a layer for the evening.
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 Napa's best months on the climate data.
- Opens the best-scoring stretch on our comfort score: April – June and September – November.
- Comfort improves from 79/100 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 eveningsnights drop to 43°F
- Comfortable walking shoesmost picks involve some walking
What to do in Napa in April
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 April scores 95/100 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 65°F and 1.9 in of monthly rain make this an easy outdoor pick.
Nearby in April
- Sonoma in April~18 mi · highs 67°F, 1.9 in rain · 2°C (3°F) warmer by day, about as wet
- Healdsburg in April~33 mi · highs 61°F, 2.5 in rain · 2°C (3°F) cooler by day, wetter
- Old Sacramento Waterfront in April~42 mi · highs 71°F, 2.0 in rain · 3°C (6°F) warmer by day, about as wet
- San Francisco in April~51 mi · highs 63°F, 1.7 in rain · 1°C (2°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 April: quick answers
Is April a good time to visit Napa?
Yes. On the climate data it's one of the best months, scoring 95/100. Expect highs of 65°F (18°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 Napa in April?
Average highs are 65°F (18°C) and average lows 43°F (6°C), making it the 6th-coldest month by daytime highs.
Does it rain a lot in Napa 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 Napa in April?
Bring a warm layer for evenings (nights drop to 43°F) and comfortable walking shoes (most picks involve some walking).
Routes in season in April
- California Wine Country Apr – Oct
Planning Napa in April?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.