The period of November through March is mild and somewhat rainy with average high temperatures of and lows of , but temperatures could occasionally drop to high 20s (&minus;3 °C) or be as high as for a few days during winter [REF].
From the City of Visalia website: "..the city council finds it necessary to establish basic standards, measures and compliance requirements for the preservation and protection of native Valley oak trees and landmark trees.." .