Honolulu · August
Run in the morning.
Comfortable average high of 84°F, dipping to 76°F at night. Humidity rises with the sun — morning runs catch the driest, coolest window.
Avg high / low
84° / 76°F
Humidity
72%
Rain days
14/mo
Wind
14 mph
What August feels like in Honolulu
Sunrise
06:10
Mid-month average
Sunset
18:60
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Honolulu in August
The kit for August in Honolulu: shorts and a short-sleeve are the standard kit, a wind-blocking layer for exposed routes, a water-resistant cap or jacket on standby.
August vs the surrounding months
vs July
+1° avg high
-3 rain days
Honolulu in July →
August
84°F avg high
14 rain days
Best: morning
vs September
0° avg high
-3 rain days
Honolulu in September →
Frequently Asked Questions
What is the best time of day to run in Honolulu in August?+
Morning. Humidity rises with the sun — morning runs catch the driest, coolest window.
What's the average temperature in Honolulu in August?+
Average high 84°F, average low 76°F.
How does August compare to surrounding months in Honolulu?+
Compared to July (avg high 83°F), August is warmer. Compared to September (avg high 84°F), August is warmer.
Does it rain often in Honolulu in August?+
Expect about 14 measurable rain days in August, on average.