October 20–26
In 5 of the last 5 years, 5+ of those 7 days hit the bar — the most reliable week of the month. Averaged 6.6/7 good days.
How beach days trend across the year
Share of days that clear the beach bar, by month — October highlighted.
Activity by activity
🏖️ Beach Day · October · South Maui (leeward)
Go for it — the odds are strongly in your favor.
89% of days hit the bar — 138 of 155 days across 5 years.
- Avg high
- 84°F
- Avg daily rain
- 0.06 in
- Avg max wind
- 9 mph
My bar for a beach day: ≤0.08 in rain · ≥75°F high · ≤16 mph wind
🥾 Hiking · October · Upcountry (~700m)
Go for it — the odds are strongly in your favor.
94% of days hit the bar — 145 of 155 days across 5 years.
- Avg high
- 78°F
- Avg daily rain
- 0.07 in
- Avg max wind
- 11 mph
My bar for a hiking: ≤0.20 in rain · 64°F–86°F high
October 15–21
In 5 of the last 5 years, 5+ of those 7 days hit the bar — the most reliable week of the month. Averaged 7/7 good days.
🤿 Snorkeling · October · South Maui (leeward)
Go for it — the odds are strongly in your favor.
86% of days hit the bar — 134 of 155 days across 5 years.
- Avg high
- 84°F
- Avg daily rain
- 0.06 in
- Avg max wind
- 9 mph
My bar for a snorkeling: ≤0.12 in rain · ≥75°F high · ≤12 mph wind
October 24–30
In 5 of the last 5 years, 5+ of those 7 days hit the bar — the most reliable week of the month. Averaged 6.4/7 good days.
🚁 Helicopter Tour · October · Kahului
I’d skip it — most days this month miss the mark.
30% of days hit the bar — 46 of 155 days across 5 years.
- Avg high
- 84°F
- Avg daily rain
- 0.04 in
- Avg max wind
- 17 mph
My bar for a helicopter tour: ≤0.04 in rain · ≤16 mph wind
⛵ Boat Tour · October · Māʻalaea Bay
Go for it — the odds are strongly in your favor.
97% of days hit the bar — 151 of 155 days across 5 years.
- Avg high
- 85°F
- Avg daily rain
- 0.03 in
- Avg max wind
- 9 mph
My bar for a boat tour: ≤0.20 in rain · ≤19 mph wind
October 15–21
In 5 of the last 5 years, 5+ of those 7 days hit the bar — the most reliable week of the month. Averaged 7/7 good days.
Going with someone? Send them the call.
Saves the “which month?” back-and-forth.
Was this any help?
Want a heads-up when I add more?
New month breakdowns, timing tips, and the next destination. No spam — leave anytime.