Best time to cruise · Best time to go
Japan cruises in May
Golden Week crowds fade after May 5, leaving fresh green maples, azaleas and wisteria in temple gardens and highs in the low-to-mid 70s °F (22–24°C). Hokkaido’s cherry blossoms bloom early in the month, and Kyoto’s Aoi Matsuri parades courtiers in Heian-era costume on May 15. Okinawa’s rainy season starts mid-month.
- Best time to go
- Avg high 73°F
- 14 hrs daylight
Photo: Alpsdake, CC BY-SA 4.0, via Wikimedia Commons
Japan in May: Best time to go
Golden Week crowds fade after May 5, leaving fresh green maples, azaleas and wisteria in temple gardens and highs in the low-to-mid 70s °F (22–24°C). Hokkaido’s cherry blossoms bloom early in the month, and Kyoto’s Aoi Matsuri parades courtiers in Heian-era costume on May 15. Okinawa’s rainy season starts mid-month.
Across Japan cruise ports, May brings average highs around 73°F (23°C) and lows near 60°F, with about 6.6 inches of rain over the month and roughly 14 hours of daylight.
- Verdict
- Best time to go
- Season
- Late March to May and September to November are peak; limited sailings in summer and winter
- Average high / low
- 73°F / 60°F
- Rainfall (month)
- 6.6 in
- Daylight
- About 14 hours
- Typical cruise length
- 7 to 14 nights, usually round trip from Tokyo (Yokohama), Kobe or Osaka
What to pack: warm-weather clothes with layers: shorts and light pants, a sweater or light jacket for breezy evenings on deck, and comfortable walking shoes. It's one of the wetter months, so bring a compact umbrella or rain jacket.
How May compares with the rest of the year
- Jan: Shoulder season
- Feb: Shoulder season
- Mar: Best time to go
- Apr: Best time to go
- May: Best time to go
- Jun: Shoulder season
- Jul: Good time to go
- Aug: Good time to go
- Sep: Good time to go
- Oct: Best time to go
- Nov: Best time to go
- Dec: Shoulder season
- No regular sailings
- Shoulder season
- Good time to go
- Best time to go
Japan weather in May
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F (°C) | 499 | 5010 | 5714 | 6518 | 7323 | 7825 | 8429 | 8630 | 8127 | 7222 | 6317 | 5312 |
| Low °F (°C) | 394 | 394 | 457 | 5211 | 6015 | 6719 | 7424 | 7725 | 7122 | 6116 | 5211 | 436 |
| Rain in (mm) | 3.486 | 3.280 | 4.7119 | 5.6143 | 6.6167 | 10.3261 | 9.9252 | 9.0228 | 8.6219 | 5.8147 | 4.2106 | 3.793 |
| Daylight (hrs) | 10 | 11 | 12 | 13 | 14 | 15 | 14 | 14 | 12 | 11 | 10 | 10 |
May weather port by port
| Port | Avg high | Avg low | Rain | Daylight |
|---|---|---|---|---|
| Tokyo (Yokohama) | 76°F | 58°F | 5.6 in | 14 h |
| Kobe | 72°F | 60°F | 6.4 in | 14 h |
| Osaka | 76°F | 57°F | 7.1 in | 14 h |
| Hiroshima | 76°F | 56°F | 5.7 in | 14 h |
| Nagasaki | 73°F | 64°F | 9.9 in | 14 h |
| Shimizu (for Mount Fuji) | 73°F | 63°F | 8.2 in | 14 h |
| Kagoshima | 76°F | 64°F | 12.1 in | 14 h |
| Hakodate | 61°F | 48°F | 3.3 in | 15 h |
| Otaru | 64°F | 46°F | 2.9 in | 15 h |
| Kanazawa | 74°F | 57°F | 5.3 in | 14 h |
| Aomori | 64°F | 50°F | 3.7 in | 14 h |
| Naha, Okinawa | 78°F | 75°F | 8.3 in | 13 h |
| Fukuoka (Hakata) | 77°F | 58°F | 6.9 in | 14 h |
| Busan | 65°F | 62°F | 3.5 in | 14 h |
Average daily highs and lows, 2015–2024, from NASA POWER, adjusted to sea level. Rain is the average monthly total.
Other great cruise destinations in May
Japan in May: FAQs
Is May a good time to cruise Japan?
Yes, it's one of the best months. Golden Week crowds fade after May 5, leaving fresh green maples, azaleas and wisteria in temple gardens and highs in the low-to-mid 70s °F (22–24°C). Hokkaido’s cherry blossoms bloom early in the month, and Kyoto’s Aoi Matsuri parades courtiers in Heian-era costume on May 15. Okinawa’s rainy season starts mid-month.
What is the weather like on a Japan cruise in May?
Across Japan cruise ports, May brings average highs around 73°F (23°C) and lows near 60°F, with about 6.6 inches of rain over the month and roughly 14 hours of daylight. Conditions vary from port to port and day to day.
What should I pack for a Japan cruise in May?
Pack warm-weather clothes with layers: shorts and light pants, a sweater or light jacket for breezy evenings on deck, and comfortable walking shoes. It's one of the wetter months, so bring a compact umbrella or rain jacket. Check your cruise line's dress code for evenings.
When is the best time to cruise Japan?
Late March to May and September to November are peak; limited sailings in summer and winter. The best months are usually March, April, May, October, November.
Where else can I cruise in May?
May is also a top month for Bahamas, Bermuda, Hawaii, Pacific Coastal, Galápagos Islands.
Updated November 2026 by the BookMyDreamCruise editorial team. How we research and fact-check.
Sources: NASA POWER climate data.