Yearly weather and climate in Honolulu, United States

The yearly weather in Honolulu runs from around 19°C in January to 30°C in September. July is the driest month at 4 rainy days; April the wettest at 17. Here is the annual climate data, so you know what you are packing for.

Best time to visit

The best weather is typically in Jun, Jul, Sep, Nov, Dec, with mild temperatures and lower rainfall.

Sunshine

Expect up to 12.8 hours of clear skies in Jun, but only 9.8 hours in Jan. Pack sunglasses and SPF accordingly.

Rainfall

Rainfall peaks in May (104mm), but it's generally moderate. A light travel umbrella should be enough.

Day-to-night swings

Temperatures typically drop by 6°C from day to night. Make sure to pack layers for the evenings.

Average temperatures and rainfall

Daily highs and lows in Honolulu, averaged over 10 years of recorded weather, with the number of days it typically rains.

  1. 2678°1967°11Jan
  2. 2577°2068°11Feb
  3. 2578°2068°12Mar
  4. 2679°2169°17Apr
  5. 2780°2170°16May
  6. 2882°2272°8Jun
  7. 2984°2373°4Jul
  8. 3085°2374°10Aug
  9. 3085°2374°6Sep
  10. 2985°2272°10Oct
  11. 2882°2271°8Nov
  12. 2780°2068°5Dec

Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Jul is typically driest at 4 days (16mm); Apr the wettest at 17 days (84mm).

Average monthly temperature and rainfall in Honolulu
MonthAverage highAverage lowRainy daysTotal rainfall
Jan26°C19°C1184mm
Feb25°C20°C1157mm
Mar25°C20°C1252mm
Apr26°C21°C1784mm
May27°C21°C16104mm
Jun28°C22°C818mm
Jul29°C23°C416mm
Aug30°C23°C1032mm
Sep30°C23°C617mm
Oct29°C22°C1023mm
Nov28°C22°C841mm
Dec27°C20°C526mm

Weather data by Open-Meteo.com

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