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

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

When to go to Gunma, Japan

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

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

January

January here can be very chilly. Temperatures average in the 40s F (single digits C) during the day.

What to wear/what to pack:

  • Gloves or mittens
  • Heavy jacket
  • Warm pants or jeans
  • Sweaters
  • Cold weather footwear
  • Waterproof luggage
  • Umbrella
  • Waterproof footwear
  • Heavy socks
  • Rain coat

February

If you vacation in Gunma during February, you are likely to find that it can be very chilly. Temperatures tend to hover around the high 40s F (single digits C) during the day, while at night they can dip into the low 30s F (single digits below 0 C).

In terms of precipitation, you can expect it to rain occasionally.

What to wear/what to pack:

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

March

March in Gunma is cold. The rain can amount to several inches/centimeters. During this time, temperatures average in the 50s F (low 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

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

April

April in Gunma is relatively cool. The rain can amount to several inches/centimeters.

During this time, temperatures average in the 50s F (low 10s C) to 60s F (high 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

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

May

May in Gunma is balmy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 60s F (high 10s C) to low 70s F (low 20s C).

What to wear/what to pack:

  • Waterproof footwear
  • Sunscreen lotion
  • Rain coat
  • Umbrella
  • Sandals
  • Waterproof luggage
  • Dresses
  • Shorts or short pants
  • Long and short sleeve shirts
  • Light footwear
  • Skirts

June

June in this region is a perfect temperature. Temperatures average in the high 70s F (mid 20s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

  • Sunscreen lotion
  • Long and short sleeve shirts
  • Dresses
  • Umbrella
  • Rain coat
  • Waterproof luggage
  • Shorts or short pants
  • Waterproof footwear
  • Skirts
  • Light footwear
  • Sandals

July

Traveling to Gunma in July, you will notice that it is pretty consistently hot. Expect it to rain a bit less than half of the time. Daytime temperatures are in the 80s F (high 20s C).

What to wear/what to pack:

  • Rain coat
  • Sunscreen lotion
  • Short sleeve shirts
  • Skirts
  • Waterproof footwear
  • Shorts
  • Sandals
  • Umbrella
  • Dresses
  • Sunglasses
  • Waterproof luggage

August

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

What to wear/what to pack:

  • Rain coat
  • Waterproof luggage
  • Skirts
  • Sandals
  • Shorts
  • Dresses
  • Waterproof footwear
  • Sunscreen lotion
  • Short sleeve shirts
  • Umbrella
  • Sunglasses

September

September in Gunma is warm and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 70s F (mid 20s C).

What to wear/what to pack:

  • Waterproof footwear
  • Waterproof luggage
  • Shorts or short pants
  • Dresses
  • Umbrella
  • Sandals
  • Rain coat
  • Sunscreen lotion
  • Long and short sleeve shirts
  • Skirts
  • Light footwear

October

If you visit Gunma during October, you are likely to find that it is mild. Temperatures tend to hover around the high 60s F (low 20s C) during the day, while at night they can dip into the low 50s F (low 10s C).

In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

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

November

November in Gunma is chilly. The average overnight temperatures in the area are in the low 40s F (single digits C).

What to wear/what to pack:

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

December

December in this region is pretty cool. Temperatures average in the low 50s F (low 10s C) during the day.

What to wear/what to pack:

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

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

Here are some general tips on what to wear in Gunma, 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 Gunma
  • If you are visiting a temple, pack respectful clothing
  • Appropriate museum wear

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