How warm is Oʻahu in April?

Typical highs are about 82°F and the sea is about 77°F. Most swimmers find it comfortable.

Is April hurricane season in Oʻahu?

No. Storm risk is very low in April.

How crowded is Oʻahu in April?

Typically busy. The quietest months are usually September and October.

Oʻahu in April

April is a middling month for Oʻahu: a typical day grades A, the 8th best of the 12 months. Expect highs near 82°F, water around 77°F and about a 20% chance of rain on a given day. Beaches are typically busy.

Typical dayA8th of 12 months

Highs / water82°FSea 77°F

Rain chance20%on a given day

Waves–typical

CrowdsBusyno big holidays

Storm riskVery lowoutside storm season

Oʻahu month by month

Typical grade and high for each month. Higher is better: A+ to F.

March: A- · April: A · May: A. The best months are usually September, October and November, and the weakest are March and December.

Best beaches in Oʻahu in April

Resorts with the best typical April, and their grades for the next few days.

Beach	Typical Apr	This week
Hilton Hawaiian Village	A	SatA-SunBMonBTueA-WedA-
Four Seasons O'ahu at Ko Olina	A	SatA-SunAMonATueA-WedA-
Barbers Point Beach Cottages	A	SatA-SunAMonATueA-WedA-
White Sands Hotel	A	SatA-SunBMonBTueA-WedA-
Ka Laʻi Waikiki Beach, LXR Hotels & Resorts	A	SatA-SunBMonBTueA-WedA-
Wayfinder Waikiki	A	SatA-SunBMonBTueA-WedA-
Sheraton Waikiki	A	SatA-SunBMonBTueA-WedA-
Sheraton Princess Kaiulani Hotel	A	SatA-SunBMonBTueA-WedA-

Grades for the next few days from Veabird's beach forecast, updated Oct 3, 18:00 UTC. Higher is better: A+ to F.

How it compares

Oʻahu is among the best-graded beach destinations in April. Every destination in April.

Questions

Is April a good time to visit Oʻahu?: April is a middling month for Oʻahu: a typical day grades A, the 8th best of the 12 months. Expect highs near 82°F, water around 77°F and about a 20% chance of rain on a given day. Beaches are typically busy.
How warm is Oʻahu in April?: Typical highs are about 82°F and the sea is about 77°F. Most swimmers find it comfortable.
Is April hurricane season in Oʻahu?: No. Storm risk is very low in April.
How crowded is Oʻahu in April?: Typically busy. The quietest months are usually September and October.

Plan it

Typical-month numbers from Veabird's year-ahead outlook for the 17 resorts here (median resort): 6 years of ERA5 climate normals, the seasonal pattern of the Atlantic sargassum belt, holiday crowd calendars and historical storm tracks. Any given year can differ; check the 16-day forecast before you go.