Boso Peninsula, Japan: What to pack, what to wear, and when to go [2018]

Traveling to Boso Peninsula, Japan? If you're planning to go to Boso Peninsula, here is some important information about when to go, what to wear, and what to pack:

When to go to Boso Peninsula, Japan

Based on the climate and weather in Boso Peninsula, the best time to go is October. See below for details.

What to wear/what to pack for Boso Peninsula, Japan by month

January

If you go to Boso Peninsula in January, you will notice that it is pretty cool, somewhat rainy and very hazy. Expect it to rain about half of the time and snow sometimes.

Daytime temperatures are in the high 40s F (single digits C).

What to wear/what to pack:

  • Light gloves or mittens
  • Umbrella
  • Jacket or coat
  • Rain coat
  • Warm pants or jeans
  • Waterproof footwear
  • Socks
  • Fleeces
  • Waterproof luggage
  • Standard footwear

February

If you go to Boso Peninsula in February, you will notice that it is brisk, somewhat rainy and somewhat hazy. Expect it to rain about half of the time and snow sometimes.

Daytime temperatures are in the high 40s F (single digits C).

What to wear/what to pack:

  • Light gloves or mittens
  • Warm pants or jeans
  • Rain coat
  • Umbrella
  • Waterproof luggage
  • Socks
  • Standard footwear
  • Fleeces
  • Jacket or coat
  • Waterproof footwear

March

In March, Boso Peninsula can be brisk, very rainy and somewhat hazy. Temperatures routinely are in the 50s F (low 10s C) range. At night, lows are in the low 40s F (single digits C).

This is also a rainy time for Boso Peninsula, with more than half of the days of the month having rain. In March, humidity reaches as high as 60%.

What to wear/what to pack:

  • Long sleeve shirts or blouses
  • Rain coat
  • Dresses
  • Umbrella
  • Light jacket or fleece
  • Long skirts
  • Waterproof luggage
  • Socks
  • Waterproof footwear
  • Standard footwear
  • Pants or jeans

April

If you vacation in Boso Peninsula during April, you are likely to find that it is relatively cool, very rainy and somewhat hazy. Temperatures tend to hover around the low 60s F (high 10s C) during the day, while at night they can dip into the low 50s F (single digits C).

Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

  • Socks
  • Light jacket or fleece
  • Standard footwear
  • Pants or jeans
  • Waterproof luggage
  • Rain coat
  • Umbrella
  • Long sleeve shirts or blouses
  • Dresses
  • Waterproof footwear
  • Long skirts

May

If you visit Boso Peninsula during May, you are likely to find that it is mild, very rainy and somewhat hazy. Temperatures tend to hover around the low 70s F (low 20s C) during the day, while at night they can dip into the high 50s F (mid 10s C).

Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

  • Waterproof footwear
  • Waterproof luggage
  • Umbrella
  • Long and short sleeve shirts
  • Light footwear
  • Sunscreen lotion
  • If you're going to the beach, bathing suits, swimwear
  • Rain coat
  • Skirts
  • Dresses
  • Sandals
  • Shorts or short pants

June

If you vacation in Boso Peninsula during June, you are likely to find that it is a perfect temperature, very rainy and somewhat hazy. Temperatures tend to hover around the 70s F (mid 20s C) during the day, while at night they can dip into the 60s F (high 10s C).

Humidity is generally around 70 during the day. In terms of precipitation, you can expect it to rain about two thirds of the time.

What to wear/what to pack:

  • Shorts or short pants
  • Rain coat
  • Waterproof luggage
  • Umbrella
  • Dresses
  • Sandals
  • Sunscreen lotion
  • If you're going to the beach, bathing suits, swimwear
  • Skirts
  • Waterproof footwear
  • Light footwear
  • Long and short sleeve shirts

July

If you go to Boso Peninsula in July, you will notice that it is pretty consistently hot, very rainy and somewhat hazy. Expect it to rain about half of the time.

Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

  • Sandals
  • Sunscreen lotion
  • If you're going to the beach, bathing suits, swimwear
  • Short sleeve shirts
  • Sunglasses
  • Skirts
  • Shorts
  • Rain coat
  • Waterproof footwear
  • Waterproof luggage
  • Dresses
  • Umbrella

August

August for Boso Peninsula is consistently hot, very rainy and somewhat hazy. Temperatures average in the 80s F (low 30s C) during the day. It rains about two thirds of the time.

What to wear/what to pack:

  • Short sleeve shirts
  • Rain coat
  • If you're going to the beach, bathing suits, swimwear
  • Waterproof footwear
  • Sunglasses
  • Shorts
  • Dresses
  • Skirts
  • Umbrella
  • Sunscreen lotion
  • Waterproof luggage
  • Sandals

September

If you are traveling to Boso Peninsula in September, you will notice that it is warm, very rainy and somewhat hazy. Expect it to rain about two thirds of the time.

Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

  • Sunscreen lotion
  • Shorts or short pants
  • If you're going to the beach, bathing suits, swimwear
  • Rain coat
  • Long and short sleeve shirts
  • Dresses
  • Light footwear
  • Sandals
  • Waterproof luggage
  • Umbrella
  • Skirts
  • Waterproof footwear

October

Traveling to Boso Peninsula in October, you will notice that it is balmy, very rainy and very hazy. Expect it to rain about half of the time. Daytime temperatures are in the low 60s F (low 20s C).

What to wear/what to pack:

  • Rain coat
  • Long skirts
  • Socks
  • Long sleeve shirts or blouses
  • Standard footwear
  • Dresses
  • Pants or jeans
  • Light jacket or fleece
  • Waterproof luggage
  • Umbrella
  • Waterproof footwear

November

In November, Boso Peninsula is crisp, somewhat rainy and very hazy. Temperatures routinely are in the low 60s F (mid 10s C) and occasionally jump into the low 70s F (low 20s C) range. At night, lows are in the low 50s F (single digits C).

This is also a rainy time for Boso Peninsula, with several of the days of the month having rain. In November, humidity reaches as high as 60%.

What to wear/what to pack:

  • Long sleeve shirts or blouses
  • Long skirts
  • Umbrella
  • Waterproof footwear
  • Dresses
  • Pants or jeans
  • Socks
  • Light jacket or fleece
  • Standard footwear
  • Waterproof luggage
  • Rain coat

December

December for Boso Peninsula is cold, somewhat rainy and extremely hazy. Temperatures average in the 50s F (low 10s C) during the day. It rains regularly.

What to wear/what to pack:

  • Waterproof footwear
  • Light gloves or mittens
  • Rain coat
  • Fleeces
  • Waterproof luggage
  • Warm pants or jeans
  • Standard footwear
  • Jacket or coat
  • Socks
  • Umbrella

Year-round what to wear/what to pack for Boso Peninsula, Japan

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

  • A plug adadpter that supports outlet types A and B
  • A SIM card that works in Boso Peninsula
  • Bicycle friendly attire, if you plan on biking anywhere

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