The climate in the Micronesia averages 80° F year round, with highs in the high 80s and lows in the high 70s. Rainfall is heaviest during the summer months. The rainfall on each island varies, however, so check with the local visitor authority for anticipated dry and wet seasons. Trade winds come mainly from the northeast from December through June. Light tropical clothing is the norm year 'round.

Pohnpei reputedly is one of the wettest places on Earth, with some locations on the interior of the island receiving up to 330 inches of rain per year. The trade wind season generally occurs from December to March.