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

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

When to go to Iwakuni, Japan

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

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

January

January in Iwakuni can be brisk. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 40s F (single digits C) to 40s F (single digits C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

  • Fleeces
  • Jacket or coat
  • Warm pants or jeans
  • Standard footwear
  • Socks
  • Light gloves or mittens

February

February in Iwakuni is brisk. The average overnight temperatures in the area are in the 30s F (single digits C). But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

  • Light gloves or mittens
  • Fleeces
  • Jacket or coat
  • Standard footwear
  • Warm pants or jeans
  • Socks

March

March here can be brisk. Temperatures average in the 50s F (low 10s C) during the day.

What to wear/what to pack:

  • Jacket or coat
  • Warm pants or jeans
  • Socks
  • Fleeces
  • Light gloves or mittens
  • Standard footwear

April

April in Iwakuni is crisp. The rain can amount to several inches/centimeters. During this time, temperatures average in the 50s F (low 10s C) to low 60s F (high 10s C).

What to wear/what to pack:

  • Long sleeve shirts or blouses
  • Standard footwear
  • Socks
  • Long skirts
  • Light jacket or fleece
  • Dresses
  • Pants or jeans

May

If you vacation in Iwakuni during May, you are likely to find that it is mild. Temperatures tend to hover around the low 70s F (low 20s C) during the day, while at night they can dip into the 50s F (low 10s C).

Humidity is generally between 60 and 70% during the day.

What to wear/what to pack:

  • Long and short sleeve shirts
  • Sunscreen lotion
  • Dresses
  • Light footwear
  • Sandals
  • Shorts or short pants
  • Skirts

June

Traveling to Iwakuni in June, you will notice that it is a perfect temperature. Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

  • Long and short sleeve shirts
  • Skirts
  • Sunscreen lotion
  • Shorts or short pants
  • Dresses
  • Light footwear
  • Sandals

July

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

Humidity is generally between 70 and 80% during the day.

What to wear/what to pack:

  • Rain coat
  • Short sleeve shirts
  • Waterproof luggage that you don't mind ruining
  • Shorts
  • Sunscreen lotion
  • Dresses
  • Sandals
  • Umbrella
  • Skirts
  • Sunglasses
  • Rain boots

August

August here is constantly hot. Temperatures average in the 80s F (low 30s C) during the day.

What to wear/what to pack:

  • Short sleeve shirts
  • Skirts
  • Waterproof luggage that you don't mind ruining
  • Sunscreen lotion
  • Dresses
  • Rain boots
  • Rain coat
  • Sandals
  • Sunglasses
  • Shorts
  • Umbrella

September

If you go to Iwakuni in September, you will notice that it is pretty consistently hot. Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

  • Sandals
  • Sunscreen lotion
  • Shorts or short pants
  • Long and short sleeve shirts
  • Dresses
  • Light footwear
  • Skirts

October

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

What to wear/what to pack:

  • Shorts or short pants
  • Sunscreen lotion
  • Dresses
  • Long and short sleeve shirts
  • Sandals
  • Skirts
  • Light footwear

November

November in Iwakuni can be chilly. The average overnight temperatures in the area are in the 40s F (single digits C). But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

  • Long sleeve shirts or blouses
  • Long skirts
  • Dresses
  • Socks
  • Pants or jeans
  • Light jacket or fleece
  • Standard footwear

December

December in Iwakuni is cold. The average overnight temperatures in the area are in the high 30s F (single digits C). But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

  • Warm pants or jeans
  • Standard footwear
  • Socks
  • Light gloves or mittens
  • Jacket or coat
  • Fleeces

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

Here are some general tips on what to wear in Iwakuni, 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 Iwakuni
  • Appropriate museum wear

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