- Save £100 per couple on select Cosmos tours in 2022
- Explore Ireland, Wales, Dublin, Scotland & more
- Travel between 1st Jan & 31st Dec 2022 (inclusive)
Napa weather in May 2022
- 2323°C max day temperature
- 33 days with some rainfall
- 88°C min night temperature
- 1414 hours of daylight per day
- 0No heat & humidity
- 1414 mm of monthly rainfall
- 88 (Very High) UV index
Recommended for California
The May weather guide for California (Napa) 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.
Metric (°C / mm) | Imperial (°F / inches)
More about California
How hot is it in Napa in May?
Daytime temperatures usually reach 23°C in Napa in May, falling to 8°C at night.
How sunny is it in Napa in May?
There are normally 11 hours of bright sunshine each day in Napa in May - that's 80% of daylight hours.
Does it ever rain in Napa in May?
There are usually 3 days with some rain in Napa in May and the average monthly rainfall is 14mm.
Napa May sunrise & sunset times
Browse the sunrise and sunset times for Napa in May 2022. Select a month to view Napa sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Sunday, 1st May 2022||06:12||20:01|
|Monday, 16th May 2022||05:57||20:14|
|Tuesday, 31st May 2022||05:48||20:26|
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.