30YearWeather
Honolulu in August
Honolulu weather in August - United States
☀️Hot & Sunny

Honolulu Weather in August

Plan your August trip to Honolulu, United States. Based on 30 years of NASA data, expect temperatures of 29°C (high) to 24°C (low), with 4% rain probability and 8 hours of daily sunshine. The Pacific Ocean averages 27°C in August. Great conditions with only 0 rainy days expected.

Avg High
29°C

Hottest around day 17

Avg Low
24°C

Coolest around day 1

Rainy Days
0days

4% avg rain chance

Sunshine
8hrs/day

Summer season

Sea Temperature in August

Pacific Ocean(Ka Moana Pakipika)

26.7°C

Monthly Average

Water Feel
🌴Tropical

Perfect for swimming and water sports

Swim Rating
Excellent for swimming

Based on average sea surface temperature

Body of Water
Pacific Ocean

Ka Moana Pakipika

Honolulu coastline

Honolulu August Weather Calendar

Click any day to see detailed weather information

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

The area code for Honolulu, and the rest...

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for Honolulu

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Well Connected
60/ 100
Traffic Index

Popular destination

Peak Daily Arrivals

0

slots per day

Peak

May

Low

Jul

Monthly Traffic Distribution

222
Jan
214
Feb
223
Mar
234
Apr
305
May
232
Jun
136
Jul
250
Aug
217
Sep
206
Oct
203
Nov
152
Dec
Traffic Level
Low Season

Key Connections

Los Angeles (LAX)
Kahului (OGG)
Kailua/Kona Kona At Keahole (KOA)
Hilo (ITO)
Lihue (LIH)

Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Is August a Good Time to Visit Honolulu?

👌Worthwhile timing with some trade-offs
Short Answer

Storm season alert for Honolulu in August: beyond the 29°C, 4% rain averages, hurricane risk requires travel insurance and schedule flexibility.

Decision Factors

Eastern Pacific Hurricane season active

Eastern Pacific zone - expect potential eastern pacific hurricane activity

Warm tropical seas

26.7°C sea temperature - Tropical Bath

Excellent dry conditions

Only 4% rain probability - ideal for outdoor activities

Plenty of sunshine

11.8h of sunshine daily

Shoulder season - balanced conditions

82% of peak - good value with moderate crowds

Good For

  • 🏖️
    Beach lovers

    26.7°C warm seas and 4% rain probability

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 28.7°C temperatures and low 4% rain risk

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 28.7°C, 4% rain chance

  • 📸
    Photographers

    11.8h sunshine, 58% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

Who Should Avoid

  • 💼
    Business travelers

    Storm season may cause flight disruptions

930 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Honolulu in August averages 29°C with 4% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Honolulu in August

What are the temperatures in Honolulu in August?

Daytime highs average 29°C, nights drop to 24°C. Temperatures remain fairly consistent.

How many rainy days in Honolulu in August?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Honolulu in August?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is August peak season in Honolulu?

This is shoulder season—moderate prices and manageable crowds.