Iwakuni, Japan: What to pack, what to wear, and when to go [2022]
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Traveling to Iwakuni, Japan? If you're planning to go to Iwakuni, I have some important information about when to go, what to wear, and what to pack.
Contents
- When to go to Iwakuni
- Important essentials for Iwakuni
- Activities for Iwakuni
- Iwakuni in January: weather and what to pack
- Iwakuni in February: weather and what to pack
- Iwakuni in March: weather and what to pack
- Iwakuni in April: weather and what to pack
- Iwakuni in May: weather and what to pack
- Iwakuni in June: weather and what to pack
- Iwakuni in July: weather and what to pack
- Iwakuni in August: weather and what to pack
- Iwakuni in September: weather and what to pack
- Iwakuni in October: weather and what to pack
- Iwakuni in November: weather and what to pack
- Iwakuni in December: weather and what to pack

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 Iwakuni, Japan
Based on the climate and weather in Iwakuni, the best time to go is October. See below for details.
Important essentials 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.
COVID-19 ESSENTIALS FOR 2022
Travel insurance that includes COVID-19 coverage
Cases are climbing again, and areas are returning to lockdown. If you or a companion get COVID-19, you may be stuck with no way home -- but travel insurance can protect you. Learn more about COVID-19 and travel insurance
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Travel disinfecting wipes
Use these to sanitize plane and hotel surfaces.
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Kids' KN95 masks
N95 masks aren't sold for kids. These are a good alternative (and can also be used by adults if N95 masks are not available).
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A vaccine card protector
Vaccine cards can become worn. An unreadable vaccination card can have severe consequences. This vaccine card protector helps stop that.
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Hand sanitizer
This hand sanitizer is an easy-to-carry plane-friendly option.
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N95 masks
These N95 masks provide the best level of COVID-19 protection you can have.
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(U.S. Residents) Telehealth COVID-19 test for entry to U.S.
U.S. residents still need a certified COVID-19 test to return home, but it can now be via Zoom. Learn more
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Touchless thermometer
A touchless thermometer is important to have.
General health necessities
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Emergency water purifier
Some areas of this country may have potentially unsafe tap water, so it's important to take an emergency water purifier like this one.
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Travel first aid kit
This one is a superb option.
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Emergency motion sickness relief
Don't forget these
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Plug adapter
A plug adapter that supports outlet types A and B. This one works in most places, but you may want to check with your hotel.
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For families with young children
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Airplane or car necessities
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Money/passport pouch
A money pouch is vital for protecting your passport and credit cards.
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Power bank for devices
A portable power bank, like this one
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Voice and data SIM card
A SIM card that works in Iwakuni. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.
What to wear/what to pack for Iwakuni, Japan by month
Already know when you're traveling?
January
January in Iwakuni is 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:
February
If you are traveling to Iwakuni in February, you will notice that it is brisk. Daytime temperatures are in the high 40s F (single digits C).
What to wear/what to pack:
March
March in Iwakuni can be brisk. Temperatures average in the 50s F (low 10s C) during the day.
What to wear/what to pack:
April
April in Iwakuni is crisp. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 60s F (high 10s C).
What to wear/what to pack:
May
May in Iwakuni is balmy. Temperatures average in the low 70s F (low 20s C) during the day.
What to wear/what to pack:
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Sunscreen lotion
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Long and short sleeve shirts
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Light skirts
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Bug repellent
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Short pants or heavy shorts
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Extra socks
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Light dresses
You can find some great options here
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Breathable footwear or sandals
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Sandals
June
June in Iwakuni is a perfect temperature. 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:
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Sunscreen lotion
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Light dresses
You can find some great options here
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Sandals
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Breathable footwear or sandals
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Long and short sleeve shirts
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Bug repellent
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Light skirts
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Extra socks
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Short pants or heavy shorts
July
If you vacation in Iwakuni during July, you may find that it is hot. 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:
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Bug repellent
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Breatheable shirts
A good breatheable shirt can keep you cool and protect you from UV rays:
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Sunglasses
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Cool and dry dresses
These dresses include UV protection and help you stay cool.
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Insulated water bottle
Our first choice:
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Skirts
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Waterproof sandals
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Sunscreen lotion, moderate SPF
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Loose-fit shorts
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Rain poncho
A high quality rain poncho to wear over your jacket saves you time and money by protecting your main coat. We like this one.
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Stormy weather makes rubber rain boots a must. These boots work well for stormy weather:
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An umbrella
This excellent one is designed for stormy weather.
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Waterproof luggage cover
So your things don't get wet. The most durable luggage can let moisture in. We recommend:
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Rain pants
These will be vital in heavy rain.
August
If you go to Iwakuni in August, you will notice that it is constantly hot. Daytime temperatures are in the 80s F (low 30s C).
What to wear/what to pack:
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Skirts
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Loose-fit shorts
-
Cool and dry dresses
These dresses can provide UV protection and help you stay cool.
-
Bug repellent
-
Sunglasses
-
Breatheable shirts
A breatheable shirt can keep you comfortable and protect you from UV rays:
-
Insulated water bottle
Our pick:
-
Waterproof sandals
-
Sunscreen lotion, moderate SPF
-
Rain poncho
A durable rain poncho to wear over your jacket saves you time and money by protecting your nice jacket. We like this one.
-
Stormy weather makes rubber rain boots essential. These boots work well for stormy weather:
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An umbrella
This excellent one is built for bad weather.
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Waterproof luggage cover
So your things remain dry. The finest luggage can let water in. We recommend:
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Rain pants
Rain pants can be essential in a storm.
September
If you go to Iwakuni in September, you will notice that it is hot. Daytime temperatures are in the low 80s F (high 20s C).
What to wear/what to pack:
-
Light dresses
You can find some great options here
-
Long and short sleeve shirts
-
Light skirts
-
Short pants or heavy shorts
-
Sandals
-
Extra socks
-
Sunscreen lotion
-
Breathable footwear or sandals
-
Bug repellent
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:
-
Sunscreen lotion
-
Breathable footwear or sandals
-
Light skirts
-
Sandals
-
Long and short sleeve shirts
-
Light dresses
You can find some great options here
-
Bug repellent
-
Short pants or heavy shorts
-
Extra socks
November
November in Iwakuni is crisp. 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:
Activities for Iwakuni, Japan
Here are some activity recommendations and activity-specific packing tips for Iwakuni.
If you visit the Kikkawa Museum, wear museum-appropriate clothing and take:
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Comfy walking shoes
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Small portable cooler
Save money on drinks with this portable cooler.
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Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
Castle hopping? For Iwakuni Castle, take:
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Ultralight day pack
Like this, so you can carry your stuff.
Check out our guides for these other locations: Carbost, Scotland, United Kingdom, Papallacta, Ecuador, Ficksburg, South Africa, Mountain Zebra National Park, South Africa, Hiidenportti National Park, Finland, Mansfield, Victoria, Australia, Thakurnagar, India, Aladdin, Wyoming, United States of America, Kristinehamn, Sweden, Bugnara, Italy, and Surat Thani, Thailand.