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

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

When to go to Sanmu, Japan

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

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

January

January is brisk. Temperatures average in the 40s F (single digits C) during the day. It rains sometimes.

What to wear/what to pack:

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

February

February in Sanmu can be brisk. Temperatures average in the 40s F (single digits C) during the day. It rains once in a while.

What to wear/what to pack:

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

March

If you are traveling to Sanmu in March, you will notice that it can be brisk and somewhat rainy. Expect it to rain a bit less than half of the time.

Daytime temperatures are in the low 50s F (low 10s C).

What to wear/what to pack:

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

April

If you vacation in Sanmu during April, you are likely to find that it is crisp and somewhat rainy. Temperatures tend to hover around the low 60s F (mid 10s C) during the day, while at night they can dip into the 50s F (low 10s C).

Humidity is generally around 60 during the day. In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

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

May

May here is balmy. Temperatures average in the high 60s F (low 20s C) during the day. It rains about a third of the time.

What to wear/what to pack:

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

June

If you visit Sanmu during June, you are likely to find that it is warm and somewhat rainy. Temperatures tend to hover around the low 70s F (low 20s C) during the day, while at night they can dip into the low 60s F (low 20s C).

Humidity is generally around 70 during the day. In terms of precipitation, you can expect it to rain a bit less than half of the time.

What to wear/what to pack:

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

July

If you visit Sanmu during July, you are likely to find that it is warm and somewhat rainy. Temperatures tend to hover around the high 70s F (mid 20s C) during the day, while at night they can dip into the 70s F (mid 20s C).

Humidity is generally between 70 and 80% during the day. In terms of precipitation, you can expect it to rain a bit less than half of the time.

What to wear/what to pack:

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

August

If you vacation in Sanmu during August, you are likely to find that it is extremely warm. Temperatures tend to hover around the low 80s F (high 20s C) during the day, while at night they can dip into the high 70s F (mid 20s C).

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

What to wear/what to pack:

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

September

In September, Sanmu is a perfect temperature and somewhat rainy. Temperatures routinely are in the high 70s F (mid 20s C) range. At night, lows are in the low 70s F (low 20s C).

This is also a rainy time for Sanmu, with several of the days of the month having rain. In September, humidity reaches as high as 70%.

What to wear/what to pack:

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

October

If you go to Sanmu in October, you will notice that it is balmy and somewhat rainy. Expect it to rain 5-10 days this month. Daytime temperatures are in the high 60s F (low 20s C).

What to wear/what to pack:

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

November

November in Sanmu is crisp. Temperatures average in the high 50s F (mid 10s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

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

December

December in Sanmu is pretty cool and somewhat hazy. The average overnight temperatures in the area are in the low 40s F (single digits C).

It tends to rain once in a while. With the colder weather comes lower humidity, which is in the 40% to 50% range on average.

What to wear/what to pack:

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

Year-round what to wear/what to pack for Sanmu, Japan

Here are some general tips on what to wear in Sanmu, 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 Sanmu

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