Most Monthly Snow in Napa History

This is a list of the largest daily snowfall totals ever recorded in Napa, California history from 1901–2024.

What Was the Snowiest Month in Napa History?

According to NOAA records, the most snow that Napa, California has ever received in a single month is 2.5 inches which occurred in January 1907.

Napa Most Snow in One Month

Rank	Snow	Month
1	2.5 inches	January 1907
2	1.0 inches	March 1987