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Honolulu in October: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Honolulu in October is climatically well suited to beach holidays, family holidays and city breaks. The average daily high is around 27 °C, and the sea is about 27 °C. With about 12 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
77/100 · #11
Warmth
#3
Dryness
#9
Sun
#8
Sea warmth
#2
Published best categories: none
Honolulu · OctoberPhoto: Robert Linsdell from St. Andrews, Canada · CC BY 2.0Climate facts
- Average high
- 27 °C
- Average low
- 25 °C
- Sea
- 27 °C
- Rainy days (est.)
- 12 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 74 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| September | 28 | 25 | 9 | 39 | 7.9 | 73 | 5.5 | 27 | 82 |
| October (selected) | 27 | 25 | 12 | 55 | 6.7 | 74 | 5.1 | 27 | 77 |
| November | 26 | 24 | 13 | 63 | 5.6 | 75 | 5.5 | 26 | 77 |
How do the previous and next months compare?
Baseline: October (77/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| September | +5 | +0.6 °C | +0.4 °C | -2.7 | -16.1 mm | +1.2 h | -0.9 % | +0.3 m/s | +0.1 °C |
| November | ±0 | -1.3 °C | -0.9 °C | +1 | +8.2 mm | -1.1 h | +1 % | +0.3 m/s | -0.7 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Honolulu in October?
The average daily high is around 27 °C, with an average daily low of about 25 °C.
Can you swim in Honolulu in October?
The sea is about 27 °C (warm).
Does it rain a lot in Honolulu in October?
The curated estimate is about 12 rainy days per month, not a directly measured long-term average. Total precipitation averages around 55 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Honolulu?
By the climate score, April, May, June and July are the strongest months for Honolulu. For a beach trip: May, June, July and August. October is not among them.