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Kauai County

Province · Hawaii, 🇺🇸 United States
Population 73,298
Area 1,641 km²
Time zone Pacific/Honolulu
Official website www.kauai.gov
Kauai County

Kauai County – Planning a Trip?

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Kauai County — Map

Kauai County — Map

Climate & when to visit

Best time to visit: January, February, March, April, May, June, July, August, September, October, November, December

Select a month

Typical weather in January

Great
  • 22° (feels like 20°) · extremes 18°–23°
  • 20° at night
  • 8 rainy days
  • 17 sunny days
  • 7 hours of sunshine per day
  • Humid air
  • Light breeze
  • UV index 6 · high

Typical weather in February

Great
  • 21° (feels like 19°) · extremes 18°–23°
  • 20° at night
  • 9 rainy days
  • 16 sunny days
  • 8 hours of sunshine per day
  • Comfortable humidity
  • Light breeze
  • UV index 7 · high

Typical weather in March

Great
  • 22° (feels like 19°) · extremes 18°–23°
  • 20° at night
  • 11 rainy days
  • 15 sunny days
  • 8 hours of sunshine per day
  • Comfortable humidity
  • Light breeze
  • UV index 8 · very high

Typical weather in April

Great
  • 22° (feels like 20°) · extremes 19°–24°
  • 20° at night
  • 8 rainy days
  • 17 sunny days
  • 9 hours of sunshine per day
  • Humid air
  • Light breeze
  • UV index 9 · very high

Typical weather in May

Great
  • 23° (feels like 22°) · extremes 20°–25°
  • 21° at night
  • 6 rainy days
  • 22 sunny days
  • 10 hours of sunshine per day
  • Humid air
  • Light breeze
  • UV index 10 · very high

Typical weather in June

Great
  • 24° (feels like 23°) · extremes 21°–25°
  • 22° at night
  • 5 rainy days
  • 23 sunny days
  • 10 hours of sunshine per day
  • Muggy, humid air
  • Light breeze
  • UV index 11 · extreme

Typical weather in July

Great
  • 25° (feels like 23°) · extremes 22°–26°
  • 23° at night
  • 6 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
  • 25° (feels like 24°) · extremes 22°–26°
  • 23° at night
  • 5 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
  • 25° (feels like 24°) · extremes 22°–26°
  • 23° at night
  • 7 rainy days
  • 23 sunny days
  • 9 hours of sunshine per day
  • Muggy, humid air
  • Light breeze
  • UV index 10 · very high

Typical weather in October

Great
  • 25° (feels like 24°) · extremes 22°–26°
  • 23° at night
  • 10 rainy days
  • 19 sunny days
  • 8 hours of sunshine per day
  • Muggy, humid air
  • Light breeze
  • UV index 8 · very high

Typical weather in November

Great
  • 24° (feels like 22°) · extremes 21°–25°
  • 22° at night
  • 11 rainy days
  • 16 sunny days
  • 7 hours of sunshine per day
  • Humid air
  • Light breeze
  • UV index 6 · high

Typical weather in December

Great
  • 22° (feels like 20°) · extremes 19°–24°
  • 21° at night
  • 10 rainy days
  • 15 sunny days
  • 7 hours of sunshine per day
  • Humid air
  • Light breeze
  • UV index 5 · moderate

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

Waimea Canyon
Drive
Wailua Falls
Drive
Ke'e Beach

Kauai County – Plan Your Days

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