Oahu in October
October in Oahu brings highs around 87°F (31°C), lows near 74°F and about 8 rainy days. The sun sets around 6:08 pm. The sea is about 80°F (27°C). It's a good month for sightseeing, if not the best.
Photo: Ossewa, CC BY-SA 4.0
What October is good for in Oahu
Each activity rated for October's weather and sea.
October next to September and November
| Month | September | October | November |
|---|---|---|---|
| High | 88°F (31°C) | 87°F (31°C) | 84°F (29°C) |
| Low | 75°F (24°C) | 74°F (23°C) | 72°F (22°C) |
| Rainy days | 7 | 8 | 9 |
| Sea | 80°F | 80°F | 79°F |
| Sunset | 6:35 pm | 6:08 pm | 5:50 pm |
| Daylight | 12 h 16 min | 11 h 40 min | 11 h 07 min |
Averages for Honolulu International Airport; sunrise and sunset on the 15th. Oahu water temperature by month.
Tours in Oahu
Oahu: Grand Tour Around Island with SnorkelingFrom $89View 
Oahu: Full or Half Day Grand Circle Island TourFrom $100View 
Pearl Harbor USS Arizona Memorial Tour from WaikikiFrom $55View 
Oahu Catamaran Snorkel Tour: See Turtles 100% GuaranteedFrom $50View 
Oahu Circle Island Snorkeling Tour: Dole, Pali Lookout & MoreFrom $118View 
Oahu Grand Circle Island Experience from WaikikiFrom $99View
Tours from Viator. Good Outing may earn a commission when you book, at no cost to you.
Questions
Is October a good time to visit Oahu?
It's a good month for sightseeing, if not the best. The most comfortable months overall are January, February, March, April, May and December.
How hot is Oahu in October?
Average highs are about 87°F (31°C) and lows about 74°F (23°C).
Does it rain much in Oahu in October?
October averages 8 rainy days, against 9 in the wettest month.
How warm is the sea in Oahu in October?
About 80°F (27°C). Warm enough for long swims and snorkeling.
