Oahu in January
January in Oahu brings highs around 80°F (27°C), lows near 67°F and about 8 rainy days. The sun sets around 6:10 pm. The sea is about 76°F (24°C). It's one of the most comfortable months for sightseeing.
Photo: Ossewa, CC BY-SA 4.0
What January is good for in Oahu
Each activity rated for January's weather and sea.
January next to December and February
| Month | December | January | February |
|---|---|---|---|
| High | 82°F (28°C) | 80°F (27°C) | 80°F (27°C) |
| Low | 69°F (21°C) | 67°F (19°C) | 67°F (20°C) |
| Rainy days | 9 | 8 | 8 |
| Sea | 77°F | 76°F | 75°F |
| Sunset | 5:52 pm | 6:10 pm | 6:29 pm |
| Daylight | 10 h 50 min | 10 h 58 min | 11 h 26 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 January a good time to visit Oahu?
It's one of the most comfortable months for sightseeing. The most comfortable months overall are January, February, March, April, May and December.
How hot is Oahu in January?
Average highs are about 80°F (27°C) and lows about 67°F (19°C).
Does it rain much in Oahu in January?
January averages 8 rainy days, against 9 in the wettest month.
How warm is the sea in Oahu in January?
About 76°F (24°C).
