Typical March weather
Napa
California · March
64° days
42° nights
about 6 rainy days · 12 hours of daylight
What to pack
- Sweater
What March feels like
March brings bud break, the first green on the vines, and the growers' anxious watch for a late frost. The Napa River runs high and the back roads through Carneros turn to mud.
Expect about 6 days with real rain — enough to notice, not enough to plan around.
The numbers
| Typical high | 64° |
|---|---|
| Typical low | 42° |
| Days with real rain | 6 |
| Total rain | 3.0 in |
| Sunrise / sunset (mid-month) | 7:19 am / 7:16 pm |