Koshu, Japan: What to pack, what to wear, and when to go [2022]

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Traveling to Koshu, Japan? If you're planning to go to Koshu, I've got some important information about when to go, what to wear, and what to pack.

Contents

About your travel guide

Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.


When to go to Koshu, Japan

Based on the climate and weather in Koshu, the best time to go is June. See below for details.

Important essentials for Koshu, Japan

Here are some general tips on what to wear in Koshu, as well as several items to remember to pack when traveling there.

IMPORTANT COVID-19 ESSENTIALS

Other health necessities


  • Emergency water purifier

    Some rural areas may have unreliable tap water, so it's important to bring an emergency water purifier like this one.


  • Travel first aid kit

    This one is a superb value.


  • Emergency rapid COVID-19 test

    U.S. residents can get them free here. Otherwise, you can buy them here.


  • Emergency motion sickness relief

Don't forget these

Activities for Koshu, Japan

Here are some activity recommendations and activity-specific packing tips for Koshu.

What to wear/what to pack for Koshu, Japan by month

Already know when you're traveling?

January

January in Koshu is pretty cool. The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the 30s F (single digits C) to 40s F (single digits C).

What to wear/what to pack:

February

Traveling to Koshu in February, you will notice that it can be very chilly. Daytime temperatures are in the high 40s F (single digits C).

What to wear/what to pack:

March

If you visit Koshu during March, you may notice that it is cool. Temperatures tend to hover around the 50s F (low 10s C) during the day, while at night they can dip into the low 30s F (single digits C).

What to wear/what to pack:

April

April here is mild. Temperatures average in the 60s F (high 10s C) during the day.

What to wear/what to pack:

May

If you go to Koshu in May, you will notice that it is warm. Daytime temperatures are in the low 70s F (low 20s C).

What to wear/what to pack:

June

June in Koshu is warm. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 60s F (low 20s C) to high 70s F (mid 20s C).

What to wear/what to pack:

July

July for Koshu is consistently hot. Temperatures average in the 80s F (low 30s C) during the day.

What to wear/what to pack:

August

August in Koshu is extremely hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 70s F (mid 20s C) to high 80s F (low 30s C).

What to wear/what to pack:

September

September here is pretty consistently hot. Temperatures average in the low 80s F (high 20s C) during the day.

What to wear/what to pack:

October

October here is balmy. Temperatures average in the low 60s F (low 20s C) during the day.

What to wear/what to pack:

November

November in Koshu is crisp. The average overnight temperatures in the area are in the high 30s F (single digits C).

What to wear/what to pack:

December

December in Koshu can be very chilly. The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the low 50s F (single digits C).

What to wear/what to pack:

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