- Book car hire with Alamo & get Viator discount code
- Save 10% on US attractions & excursions with Viator
- Offer available to UK residents only
Napa weather in April 2021
Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.
- 2020°C max day temperature
- 66 days with some rainfall
- 66°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 4747 mm of monthly rainfall
- 77 (High) UV index
Recommended for California
The April weather guide for Napa, California shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
How hot is it in Napa in April?
Daytime temperatures usually reach 20°C in Napa in April, falling to 6°C at night.
How sunny is it in Napa in April?
There are normally 11 hours of bright sunshine each day in Napa in April - that's 79% of daylight hours.
Does it rain in Napa in April?
There are usually 6 days with some rain in Napa in April and the average monthly rainfall is 47mm.
Napa sunrise & sunset times for April 2021
Browse the sunrise & sunset times for Napa in April 2021. Select a month to view Napa sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Thursday, 1st April 2021||06:54||19:33|
|Thursday, 15th April 2021||06:33||19:46|
|Friday, 30th April 2021||06:13||20:00|
- Save £70 when you spend at least £599
- Book flexible flights, hotels & flight+hotel (holiday) bookings
- Plan for travel the UK, Europe & around the world
Metric (°C / mm) | Imperial (°F / inches)
Discover more about California
Where is hot in California in April for 2021/2022?
Below are average maximum temperatures at popular destinations in California in April. Select a destination to see more weather parameters.
- Death Valley
- Los Angeles
- Beverly Hills
- San Diego
- Santa Monica
- Palm Springs
- Santa Barbara
- San Francisco
- Big Sur
- Lake Tahoe
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.