#1 principle
Standardized
Same basket, every destination.
Tokyo pairs 15,000-point Hyatt nights with Mar–Apr and Oct–Nov trips plus 90-day visa-free stays for US travelers.

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March, April, October, and November offer mild, comfortable sightseeing weather, relatively low rainfall, and peak seasonal draws such as cherry blossoms and autumn foliage while avoiding the main summer heat, rainy season, and typhoon periods.
June through August and early September bring Tokyo’s humid rainy and typhoon-influenced season plus peak summer heat often exceeding 30°C with high humidity; late April to early May also overlaps Golden Week, when domestic crowds and transport and hotel prices spike.
Allowed stay
Tokyo rewards travelers who plan around Mar–Apr or Oct–Nov, when mild weather suits Shinjuku walks, Meiji Jingu visits, and evening ramen in Ebisu. The Hyatt Regency Tokyo in Nishi-Shinjuku is the verified premium points floor at 15,000 World of Hyatt points per night, placing guests near the Tokyo Metropolitan Government Building and quick subway links to Ginza and Asakusa. US travelers get visa-free entry for 90 days, making longer food, museum, and day-trip itineraries practical. Avoid Apr–Sep if humidity, summer heat above 30°C, Golden Week crowds, or typhoon-season disruption would reduce comfort.
Sources & citations
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#1 principle
Same basket, every destination.
#2 principle
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#3 principle
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#4 principle
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