The Best Time to Visit Oahu

Month-by-month weather, crowds, and prices, maintained by Mahalo Travels and reviewed by Courtney Geisel, Travel Advisor.

Quick answer

April-May and September-October for the best balance. For the lowest prices, look at September-October: summer-calm water, shoulder prices. Between the cheapest and priciest months, the same week-long trip for two can differ by $1,850.

Best overall

April-May and September-October for the best balance

Best value

September-October: summer-calm water, shoulder prices

Worth knowing

Late December-early January: peak prices; big winter surf closes North Shore swimming

Oahu month by month

Every month links to its full guide. Trip prices are a 7-night estimate for two from our live pricing data, the same numbers our cost breakdown and instant calculator use.

Month	Temps (hi/lo)	Rain	Crowds	Week for two	Verdict	Notes
January	80/66°	Regular showers	Peak crowds	$5,100	Peak season	Giant North Shore surf to watch, Waikiki calm to swim; winter rates apply.
February	80/65°	Regular showers	Busy	$5,050	Peak season	Whales offshore, big-wave contests when swells align.
March	81/67°	Regular showers	Peak crowds	$4,850	Peak season	Spring break crowds in Waikiki; windward showers pass quickly.
April	83/68°	Occasional showers	Busy	$4,250	Good	Lei Day approaches; crowds and prices ease.
May	85/70°	Occasional showers	Moderate	$4,200	Great value	Dry, calm, and quiet: a top-value month.
June	87/72°	Very little rain	Busy	$4,950	Good	Summer begins; North Shore flattens into swimming pools.
July	88/73°	Very little rain	Peak crowds	$5,200	Peak season	Family peak; book Hanauma Bay reservations early.
August	89/74°	Very little rain	Peak crowds	$5,050	Good	Warmest month; ocean like bathwater.
September	88/73°	Very little rain	Moderate	$3,950	Great value	The insider window: summer seas, thinner crowds.
October	87/72°	Occasional showers	Moderate	$4,100	Great value	Still swimmable everywhere; great rates before holidays.
November	84/70°	Regular showers	Moderate	$4,400	Good	First winter swells arrive on the North Shore; town stays sunny.
December	81/67°	Regular showers	Peak crowds	$5,800	Peak season	Holiday peak in Waikiki; Pipeline season for spectators.

Our picks, by priority

If you want the best of everything

May, September, October hit the sweet spot: dry-season weather at below-peak prices. These are the months Courtney recommends first when travelers have flexible dates.

If price drives the decision

May, September bring the lowest rates of the year.

If you're going in peak season anyway

January, February, March, July, December are the premium months: the best odds of perfect weather, and the highest prices and crowds. Book 6 to 9 months out; this is when the good rooms genuinely sell through.

Chat with Courtney to plan your dream Oahu itinerary

Tell her your dates, flexibility, and budget. She watches Oahu rates weekly, picks the right week honestly, and builds the day-by-day plan around it. Free, no obligation.

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FAQs

What is the best month to visit Oahu?

April-May and September-October for the best balance. If we had to pick, May, September, October deliver the best balance of weather, crowds, and price.

What is the cheapest time to visit Oahu?

September-October: summer-calm water, shoulder prices. The absolute lowest rates usually land in May, September.

What is the worst time to visit Oahu?

There's no truly bad month. Late December-early January: peak prices; big winter surf closes North Shore swimming

How far ahead should I book a Oahu trip?

For peak months (January, February, March, July, December), book 6 to 9 months out; the well-reviewed properties genuinely sell through. Shoulder and value months are more forgiving, 3 to 5 months is usually fine, and a travel advisor watching rates weekly will catch the promotions either way.

Keep planning Oahu

Oahu travel guide · What a Oahu trip costs · All-inclusive Oahu · Oahu with kids