How warm is Oʻahu in July?

Typical highs are about 87°F and the sea is about 79°F. That is warm enough for long swims without a wetsuit.

Is July hurricane season in Oʻahu?

No. Storm risk is very low in July.

How crowded is Oʻahu in July?

Typically packed, around US summer school break, Mexico summer vacation and Independence Day (US). The quietest months are usually September and October.

Oʻahu in July

July is a middling month for Oʻahu: a typical day grades A, the 7th best of the 12 months. Expect highs near 87°F, water around 79°F and about a 12% chance of rain on a given day. Beaches are typically packed (US summer school break, Mexico summer vacation and Independence Day (US)).

Typical dayA7th of 12 months

Highs / water87°FSea 79°F

Rain chance12%on a given day

Waves–typical

CrowdsPackedUS summer school break

Storm riskVery lowoutside storm season

Oʻahu month by month

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

June: A · July: A · August: A. The best months are usually September, October and November, and the weakest are March and December.

Best beaches in Oʻahu in July

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

Beach	Typical Jul	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 July. Every destination in July.

Questions

Is July a good time to visit Oʻahu?: July is a middling month for Oʻahu: a typical day grades A, the 7th best of the 12 months. Expect highs near 87°F, water around 79°F and about a 12% chance of rain on a given day. Beaches are typically packed (US summer school break, Mexico summer vacation and Independence Day (US)).
How warm is Oʻahu in July?: Typical highs are about 87°F and the sea is about 79°F. That is warm enough for long swims without a wetsuit.
Is July hurricane season in Oʻahu?: No. Storm risk is very low in July.
How crowded is Oʻahu in July?: Typically packed, around US summer school break, Mexico summer vacation and Independence Day (US). 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.