Typical Weather in Honolulu, HI in August
88° F Avg High
74° F Avg Low
2 Rainy Days
☀️ Temperature Summary
Highs in August are typically around 88°F, which is warmer than usual in Honolulu. Overnight lows will be around 74°F on average. This is the hottest month of the year in Honolulu.
Be ready to seek shade during the day, as mid-day temperatures can be dangerous if you're caught without a way to cool off.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In August you can expect close to a 6% chance of rain for any given day. It rains less than usual in August, with total rainfall for the month typically near 1 inches.
Rainfall Throughout the Year
Planning a trip to Honolulu? Try our free trip weather planner