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Honolulu County

Province · Hawaii, 🇺🇸 United States
Population 1,016,508
Area 1,592 km²
Time zone Pacific/Honolulu
Official website www.honolulu.gov
Honolulu County

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Honolulu County — Map

Honolulu County — Map

Climate & when to visit

Best time to visit: January, February, April, May, June, July, August, September

Select a month

Typical weather in January

Great
  • 23° (feels like 22°) · extremes 19°–25°
  • 21° at night
  • 11 rainy days
  • 17 sunny days
  • 7 hours of sunshine per day
  • Humid air
  • Light breeze
  • UV index 6 · high

Typical weather in February

Great
  • 23° (feels like 21°) · extremes 18°–25°
  • 20° at night
  • 12 rainy days
  • 16 sunny days
  • 8 hours of sunshine per day
  • Humid air
  • Light breeze
  • UV index 7 · high

Typical weather in March

Good
  • 23° (feels like 21°) · extremes 19°–25°
  • 20° at night
  • 13 rainy days
  • 17 sunny days
  • 8 hours of sunshine per day
  • Humid air
  • Light breeze
  • UV index 9 · very high

Typical weather in April

Great
  • 24° (feels like 22°) · extremes 19°–26°
  • 21° at night
  • 11 rainy days
  • 17 sunny days
  • 9 hours of sunshine per day
  • Humid air
  • Light breeze
  • UV index 10 · very high

Typical weather in May

Great
  • 25° (feels like 24°) · extremes 20°–26°
  • 22° at night
  • 10 rainy days
  • 22 sunny days
  • 10 hours of sunshine per day
  • Muggy, humid air
  • Light breeze
  • UV index 10 · very high

Typical weather in June

Great
  • 26° (feels like 24°) · extremes 22°–27°
  • 23° at night
  • 9 rainy days
  • 24 sunny days
  • 11 hours of sunshine per day
  • Muggy, humid air
  • Light breeze
  • UV index 11 · extreme

Typical weather in July

Great
  • 26° (feels like 25°) · extremes 22°–27°
  • 23° at night
  • 9 rainy days
  • 24 sunny days
  • 10 hours of sunshine per day
  • Muggy, humid air
  • Light breeze
  • UV index 11 · extreme

Typical weather in August

Great
  • 27° (feels like 25°) · extremes 23°–28°
  • 24° at night
  • 8 rainy days
  • 25 sunny days
  • 10 hours of sunshine per day
  • Muggy, humid air
  • Light breeze
  • UV index 11 · extreme

Typical weather in September

Great
  • 27° (feels like 26°) · extremes 23°–28°
  • 24° at night
  • 10 rainy days
  • 24 sunny days
  • 9 hours of sunshine per day
  • Muggy, humid air
  • Light breeze
  • UV index 10 · very high

Typical weather in October

Good
  • 26° · extremes 22°–28°
  • 23° at night
  • 13 rainy days
  • 20 sunny days
  • 8 hours of sunshine per day
  • Muggy, humid air
  • Light breeze
  • UV index 8 · very high

Typical weather in November

Good
  • 25° (feels like 24°) · extremes 21°–27°
  • 22° at night
  • 14 rainy days
  • 16 sunny days
  • 7 hours of sunshine per day
  • Muggy, humid air
  • Light breeze
  • UV index 7 · high

Typical weather in December

Good
  • 24° (feels like 22°) · extremes 20°–26°
  • 21° at night
  • 14 rainy days
  • 15 sunny days
  • 7 hours of sunshine per day
  • Humid air
  • Light breeze
  • UV index 6 · high

Climate data: NASA POWER (MERRA-2) · 1996–2025

Practical information

Currency
US Dollar USD $ · Card payments · Widely accepted
Emergency numbers
911 Police · Ambulance · Fire brigade
Electricity
Type A / Type B
120 V · 60 Hz
Languages
English
Tap water
Safe to drink
Driving side
Right
Calling code
+1
Learn more

Tours & Activities

USS Arizona Memorial
Drive
Iolani Palace
Drive
Hanauma Beach

Honolulu County – Plan Your Days

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