Hotels in Kosai

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Check prices for these dates

Tonight
Dec 16 - Dec 17
Tomorrow
Dec 17 - Dec 18
This weekend
Dec 19 - Dec 21
Next weekend
Dec 26 - Dec 28

Where to stay in Kosai?

Food and drink
Hotel Route Inn Hamanako
Hotel Route Inn Hamanako
3.0 star property
8.0 out of 10, Very Good, (186)
The price is $64
$70 total
Dec 17 - Dec 18
Hotel Route Inn Hamanako
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.
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When is the best time to visit Kosai?

Our prices for hotels in Kosai are cheapest in March
Price trends for hotels in Kosai
Pricing is based on two traveler single night rates
View properties in December
Currently viewing crowd sizes and weather for December.
Typical weather for Kosai
December
Low crowds
High 11°C / low 5°C. Sunny most days.
View properties in December
11°
weather_sun
December, Low crowds, average high temperature 11 degrees Celsius, average low temperature 5 degrees Celsius. Sunny most days.
5°
9°
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January, High crowds, average high temperature 9 degrees Celsius, average low temperature 3 degrees Celsius. Sunny most days.
3°
10°
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February, Low crowds, average high temperature 10 degrees Celsius, average low temperature 3 degrees Celsius. Sunny most days.
3°
14°
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March, High crowds, average high temperature 14 degrees Celsius, average low temperature 6 degrees Celsius. Sunny most days.
6°
18°
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April, Low crowds, average high temperature 18 degrees Celsius, average low temperature 10 degrees Celsius. Sunny most days.
10°
22°
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May, High crowds, average high temperature 22 degrees Celsius, average low temperature 15 degrees Celsius. Partly sunny.
15°
25°
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June, Moderate crowds, average high temperature 25 degrees Celsius, average low temperature 19 degrees Celsius. Partly sunny.
19°
28°
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July, Moderate crowds, average high temperature 28 degrees Celsius, average low temperature 23 degrees Celsius. Rainy most days.
23°
30°
weather_partly_sunny
August, Moderate crowds, average high temperature 30 degrees Celsius, average low temperature 25 degrees Celsius. Partly sunny.
25°
27°
weather_partly_sunny
September, Moderate crowds, average high temperature 27 degrees Celsius, average low temperature 22 degrees Celsius. Partly sunny.
22°
22°
weather_partly_sunny
October, High crowds, average high temperature 22 degrees Celsius, average low temperature 16 degrees Celsius. Partly sunny.
16°
17°
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November, Low crowds, average high temperature 17 degrees Celsius, average low temperature 11 degrees Celsius. Sunny most days.
11°
Monthly weather averages (˚C)

Top landmarks in Kosai

Arai Beach

Whether you want to hunt for sand dollars or smell the fresh air, Arai Beach is a spot you might want to check out, located 4.7 mi (7.6 km) from central Kosai. Catch the sunset by the shore at Arai Benten Beach, just a short walk away.
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Arai Benten Beach

Whether you want to hunt for sand dollars or smell the fresh air, Arai Benten Beach is a spot you might want to check out, located 5.1 mi (8.2 km) from central Kosai. Catch the sunset by the shore at Arai Beach, just a short walk away.
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Learn more about Kosai

Kosai is well-known for its attractions such as Arai Beach and Lake Hamana.

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Check out reviews of Kosai hotels guests love

Richmond Hotel Hamamatsu

Richmond Hotel Hamamatsu

10/10 Excellent
"The staff's response was good"
Masaaki 1-night trip
Posted 9 days ago
Richmond Hotel Hamamatsu

Frequently asked questions

What accommodations do travelers recommend in Kosai?
Hotel Route Inn Hamanako is a property that our guests really like.
Can I book refundable hotels in Kosai?
If you need the flexibility to change your travel plans to Kosai, most properties offer refundable* rates you can book. You can see these accommodations by searching our site and using the "fully refundable" filter to narrow down the results.
What will the weather in Kosai be like during my visit?
August and July are typically the warmest months in Kosai when the average temp is 76°F. January and February are the coldest months when the average temperature is 46°F. July and June are the months with the most rain.
Why should I book my Kosai accommodation with Hotels.com?
There are lots of reasons to book your Kosai 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.

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