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Napa weather in June 2025
Expect 26°C daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in Napa in June. Check more long-term weather averages for Napa in June before you book your next holiday to California in 2025/2026.
- 2626°C max day temperature
- 12 hours of sunshine per day
- 11 day with some rainfall
- 1111°C min night temperature
- 1515 hours of daylight per day
- LLow heat & humidity
- 55 mm of monthly rainfall
- 99 (Very High) UV index
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Recommended for California
The June 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 June?
Daytime temperatures usually reach 26°C in Napa in June with low heat and humidity, falling to 11°C at night.
How sunny is it in Napa in June?
There are normally 12 hours of bright sunshine each day in Napa in June - that's 80% of daylight hours.
Does it ever rain in Napa in June?
There is usually 1 day with some rain in Napa in June and the average monthly rainfall is 5mm.
Napa June sunrise & sunset times
Browse the sunrise and sunset times for Napa in June 2025. Select a month to view Napa sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Sunday, 1st June 2025 | 04:47 | 19:27 |
Sunday, 15th June 2025 | 04:45 | 19:35 |
Monday, 30th June 2025 | 04:49 | 19:37 |
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