Napa Weather in March

March in Napa brings pleasant temperatures, with highs of 19°C (66°F) and nights dropping to 6°C (43°F). Rainfall is on the higher side this month, averaging around 93 mm (3.7 in), so keep a rain jacket handy.

Rainfall in Napa in March

You can expect rain on around 10 days based on historical patterns, with 93 mm (3.7 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Napa in March

Daytime temperatures in Napa reach 19°C (66°F) in March, dropping to 6°C (43°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Napa in March

Expect sunny days throughout the month, with an estimated 270 hours of sunshine. This makes it a pleasant time to visit Napa.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August and October typically offer the best weather for Napa.