Temperate marine climate is pleasant and comfortable year-round.

Coos Bay enjoys a mild marine climate resulting from the moderating influences of the Pacific Ocean and from the rainfall induced by the Coast Range. The majority of our rain falls between November and January for an average annual rainfall of 64 inches. The temperature averages in the mid 50s, with August and September ranking as the warmest months. Winters are mild with occasional light freezes and rare snow. Spring brings growth and blooms, with numerous rhododendrons leading into summer. Summer is bright and filled with sunshine, with long days perfect for boating, hiking and other outdoor pursuits. Fall has cooler temperatures, with changing leaves highlighted against numerous conifers.