How to Handle Humidity and Dry Air

Japan swings between high humidity and dry indoor air depending on the season. Learn how to manage both.

Japan’s climate tends to be hot and humid in summer and dry in winter. Both conditions affect your body and your home.

Humid seasons

During the rainy season and summer, mold and dust mites become more likely.

Common trouble spots:

• Bathrooms
• Closets
• Window frames
• Walls in rooms with poor airflow

Helpful measures:

• Ventilation
• Dehumidifier
• Moisture absorbers
• Anti-mold spray
• Dry mode on the air conditioner

Dry season

In winter, indoor humidity can drop sharply, especially when using heating.

Common effects:

• Dry throat and nose
• Dry skin
• More static electricity

Helpful measures:

• Humidifier
• Indoor drying of laundry
• Monitoring indoor humidity with a hygrometer