#big island rainfall summary

October Rainfall Summary

The first month of the October through April Hawaiian Islands wet season produced a below-average amount of trade wind days over the island chain.

Dry Season Subsides, Wet Season Arrives in Hawai‘i

The climate model consensus favors above-average rainfall through the wet season, with large-scale, wetter than average conditions particularly from December 2020 through April 2021.

Two Big Island Areas Short on October Rain

Rainfall totals for 2019 through the end of October were near to above average at most of the rain gauges on the Big Island.