Temperature for May
In Honolulu, HI during May the average high temperature is 84.4°F. The hottest day on record was May 30, 1987 when the temperature hit 91.9°F.
Precipitation for May
In May the average monthly rainfall in Honolulu, HI is 0.98 inches with rain usually falling on between 5 and 6 days. 1971 was the driest May with only 0.00 inches of rain falling, and 1965 was the wettest May with 7.28 inches of rain. The wettest single day in May was 2 May 1965 when 3.43 inches of rain fell.
In May there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in May.