Pokemon Sun and Moon: All Type Strengths and Weaknesses

Normal

Strengths

• Fully resistant to Ghost.

Weaknesses

• Does no damage to Ghost-type Pokemon.
• Takes double damage from Fighting-types.
• Does half damage to Rock-types.
• Does half damage to Steel-types.

Fire

Strengths

• Double damage to Grass-types.
• Double damage to Ice-type Pokemon.
• Double damage to Bug-types.
• Double damage to Steel types.
• Half-resistant to Fire.
• Half-resistant to Grass.
• Half-resistant to Bug.
• Half-resistant to Steel.
• Half-resistant to Fairy.

Weaknesses 

• Takes double damage from Water.
• Takes double damage from Ground.
• Takes double damage from Rock.
• Does half damage to Fire-types.
• Does half damage to Water-types.
• Does half damage to Rock-type Pokemon.
• Does half damage to Steel-type Pokemon.

Water

Strengths

• Double damage to Fire-types.
• Double damage to Ground-types.
• Double damaged to Rock-types.
• Half-resistant to Fire.
• Half-resistant to Water.
• Half-resistant to Ice.
• Half resistant to Steel.

Weaknesses

• Does half damage to other Water-type Pokemon.
• Does half damage to Grass-types.
• Does half damage to Dragon-types.
• Takes double damage from Electric.
• Takes double damage from Grass.