Tropical Rainforest Climate Zones: Characteristics and Subtypes

Tropical rainforest climates (Köppen Af, Am, Aw) feature:

• Consistent warmth: 25–35°C (77–95°F) year-round.
• High rainfall: >2,000 mm (79 in) annually.
• High humidity: Near-constant moisture in the air.
• No distinct seasons: Minimal temperature variation; rainfall seasonality varies.

Subtypes:

• Af (Tropical Wet): Rain year-round, no dry season.
• Am (Tropical Monsoon): Distinct wet/dry seasons; short dry period.
• Aw (Tropical Savanna): Pronounced dry season; at higher tropical altitudes or margins.