Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
January, no crowd data, average high temperature 9 degrees Celsius, average low temperature 4 degrees Celsius. Sunny most days.
4°
10°
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February, no crowd data, average high temperature 10 degrees Celsius, average low temperature 5 degrees Celsius. Sunny most days.
5°
14°
weather_sun
March, no crowd data, average high temperature 14 degrees Celsius, average low temperature 8 degrees Celsius. Sunny most days.
8°
17°
weather_sun
April, no crowd data, average high temperature 17 degrees Celsius, average low temperature 12 degrees Celsius. Sunny most days.
12°
22°
weather_sun
May, no crowd data, average high temperature 22 degrees Celsius, average low temperature 16 degrees Celsius. Sunny most days.
16°
24°
weather_partly_sunny
June, no crowd data, average high temperature 24 degrees Celsius, average low temperature 20 degrees Celsius. Partly sunny.
20°
28°
weather_sun
July, no crowd data, average high temperature 28 degrees Celsius, average low temperature 24 degrees Celsius. Sunny most days.
24°
30°
weather_sun
August, no crowd data, average high temperature 30 degrees Celsius, average low temperature 25 degrees Celsius. Sunny most days.
25°
26°
weather_partly_sunny
September, no crowd data, average high temperature 26 degrees Celsius, average low temperature 22 degrees Celsius. Partly sunny.
22°
22°
weather_partly_sunny
October, no crowd data, average high temperature 22 degrees Celsius, average low temperature 17 degrees Celsius. Partly sunny.
17°
17°
weather_sun
November, no crowd data, average high temperature 17 degrees Celsius, average low temperature 12 degrees Celsius. Sunny most days.
12°
12°
weather_sun
December, no crowd data, average high temperature 12 degrees Celsius, average low temperature 7 degrees Celsius. Sunny most days.
7°
Monthly weather averages (˚C)
Top landmarks in Sanmu
Hasunuma Ocean Park
Hasunuma Ocean Park is 5.6 mi (9 km) from central Sanmu, why not stop by during your stay. If you like Hasunuma Ocean Park, you'll love Lake Hakkaku, just a short drive away.
When the beach is calling your name, you might want to head down to Minami-hama Seaside Swimming Area, located 5.7 mi (9.1 km) from central Sanmu. Enjoy the sunset by the shore at Katakai Beach.
Hasunuma Water Garden is 5.7 mi (9.2 km) from central Sanmu, why not stop by during your stay. If you have fun at Hasunuma Water Garden, you'll love Hasunuma Ocean Park, located nearby.
"A beautiful hotel grounds with nice gardens. I can tell this place caters mostly to large tour groups, but it was a fun place to stay for a night before departing from Narita. "
"Love that hotel was able to store my suitcases for 11 days because I booked another stay 11 days later. More convenient and no cost than paying for storage at airport or elsewhere"
If you're looking for the flexibility to change your plans to Sanmu, most properties provide refundable* bookable rates. You can see these properties by searching our site and using the "fully refundable" filter to narrow the results down.
What will the weather in Sanmu be like during my vacation?
August and July are typically the warmest months in Sanmu when the average temp is 76°F. January and February are the coldest months when the average temperature is 47°F. October and September are the months with the most rain.
Why should I book my Sanmu accommodation with Hotels.com?
There are lots of reasons to book your Sanmu trip with us: our free cancellations on selected hotels gives you flexibility, and with One Key™, our rewards program, you will be able to earn and use OneKeyCash™* on all eligible bookings such as hotels, car rentals, flights, vacation rentals and more on Hotels.com, Expedia and Vrbo.