How warm is Kauaʻi in July?

Typical highs are about 85°F and the sea is about 79°F. That is warm enough for long swims without a wetsuit.

Is July hurricane season in Kauaʻi?

No. Storm risk is very low in July.

How crowded is Kauaʻi in July?

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

Kauaʻi in July

July is a middling month for Kauaʻi: a typical day grades A-, the 7th best of the 12 months. Expect highs near 85°F, water around 79°F and about a 24% chance of rain on a given day. Beaches are typically packed (US summer school break, Mexico summer vacation and Independence Day (US)).

Typical dayA-7th of 12 months

Highs / water85°FSea 79°F

Rain chance24%on a given day

Waves–typical

CrowdsPackedUS summer school break

Storm riskVery lowoutside storm season

Kauaʻi 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 June, September and October, and the weakest are February and March.

Best beaches in Kauaʻi in July

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

Beach	Typical Jul	This week
OUTRIGGER Kauaʻi Beach Resort & Spa	A-	SatB+SunA-MonA-TueB+WedA-
The Royal Sonesta Kaua'i Resort Lihue	A-	SatB+SunA-MonA-TueB+WedA-
Banyan Harbor Resort	A-	SatA-SunBMonB+TueB-WedB+
Kauai Inn	A-	SatA-SunBMonB+TueB-WedB+
Koloa Landing Resort at Poipu	A-	SatA-SunBMonB+TueBWedB
Marriott’s Waiohai Beach Club	A-	SatA-SunBMonB+TueBWedB
Sheraton Kauai Coconut Beach Resort	A-	SatB+SunA-MonA-TueB+WedA-
Plantation Hale Suites	A-	SatB+SunA-MonA-TueB+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

Kauaʻi is among the best-graded beach destinations in July. Every destination in July.

Questions

Is July a good time to visit Kauaʻi?: July is a middling month for Kauaʻi: a typical day grades A-, the 7th best of the 12 months. Expect highs near 85°F, water around 79°F and about a 24% 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 Kauaʻi in July?: Typical highs are about 85°F and the sea is about 79°F. That is warm enough for long swims without a wetsuit.
Is July hurricane season in Kauaʻi?: No. Storm risk is very low in July.
How crowded is Kauaʻi 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 20 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.