Hawaii weather

Today's sky, the hour-by-hour rain chance and the 16-day forecast for Hawaii, United States. Like most weather services, we show Hawaii at one spot: Honolulu, its largest city. Best months for weather: May–Sep.

Loading weather…

Best Time to Visit

Peak season May–SepOff season Feb–Mar, Nov–Dec

Fair71 mm

24°22°☁ 52%Jan

Off82 mm

24°21°☁ 57%Feb

Off94 mm

24°21°☁ 61%Mar

Fair54 mm

25°22°☁ 58%Apr

Peak47 mm

26°23°☁ 50%May

Peak37 mm

27°24°☁ 48%Jun

Peak40 mm

27°24°☁ 47%Jul

Peak44 mm

28°25°☁ 47%Aug

Peak50 mm

28°25°☁ 47%Sep

Fair73 mm

27°25°☁ 56%Oct

Off86 mm

26°24°☁ 58%Nov

Off93 mm

25°23°☁ 54%Dec

Hawaii weather by month

When is the best time to visit Hawaii?

Based on weather alone, the best time to visit Hawaii is May–Sep, according to NASA's 2001–2025 climate averages. Feb–Mar, Nov–Dec tends to be the least pleasant. Average highs run from 24°C (75°F) in February to 28°C (82°F) in September.

What is the rainiest month in Hawaii?

March is the wettest month, with about 94 mm (3.7 in) of rain on average. June is the driest, with about 37 mm (1.5 in).

What is the hottest month in Hawaii?

September is the warmest, with average highs of 28°C (82°F) and lows of 25°C (77°F). February is the coolest, with highs of 24°C (75°F) and lows of 21°C (70°F).

Does Hawaii have a rainy season?

Not a strong one. No month averages more than 150 mm of rain; the wettest is March at about 94 mm (3.7 in).

Hawaii weather month by month

January February March April May June July August September October November December

Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Honolulu), forecast and current conditions from Open-Meteo. Page updated Oct 31, 2026. How we rate months

Compare places in Hawaii

Weather can differ a lot within Hawaii: coasts, hills and mountains each have their own climate.

Place	Best months	Rainy months	Highs	Rain a year
Honolulu	May–Sep	None	24–28°C	771 mm
East Honolulu	Year-round	None	24–27°C	601 mm
Pearl City	May–Sep	None	24–28°C	771 mm
Waiau-Pacific Palisades	May–Sep	None	24–28°C	771 mm
Makakilo / Kapolei / Honokai Hale	May–Sep	None	24–28°C	771 mm
Kalihi-Palama	May–Sep	None	24–28°C	771 mm
Hilo	Jun–Sep	Jul–May	22–25°C	2,301 mm
Joint Base Pearl Harbor Hickam	May–Sep	None	24–28°C	771 mm
Aliamanu / Salt Lakes / Foster Village	May–Sep	None	24–28°C	771 mm
Kailua	Year-round	None	24–27°C	601 mm
Waipahu	May–Sep	None	24–28°C	771 mm
ʻEwa Gentry-West Loch	May–Sep	None	24–28°C	771 mm