Climate in Honolulu, United States

Honolulu, United States has a mediterranean climate. The annual average temperature is about 24.5°C, with around 2767 hours of sunshine; the national rainfall baseline is roughly 549 mm across 61 rainy days a year. The warmest month is Jul (highs near 33.4°C) and the coldest is Jan (lows near 15.5°C). These are deterministic planning estimates, not a forecast or measured station data. Temperature and sunshine follow the city's latitude; rainfall and the climate zone come from a country-level baseline that every city in the country shares (refined by region in the United States, Canada and Australia), so they do not show local differences. Check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Honolulu is classified as Mediterranean. The classification combines the city’s own temperature range, which follows its latitude, with a rainfall pattern taken at country level for United States — so cities in the same country usually share a zone.

The rainfall baseline for United States is about 549 mm a year over roughly 61 rainy days, with the wettest month Dec and the driest Jul. This figure is not specific to Honolulu: every city in United States carries the same baseline, so it will not show the difference between, say, a dry inland city and a wet coastal one. Use an official meteorological service for local rainfall.

Honolulu sees an estimated 2767 hours of sunshine a year, concentrated in the warmer months around Jul.

By temperature and rainfall, the most comfortable months in Honolulu are Jul, Jun, Aug. Conditions vary year to year — verify with a current forecast before booking.

Honolulu has a climate comfort score of 82/100, a very comfortable year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.