Zone 1: Humid Tropical Zone
- Coastal strip and western highlands
- Annual rainfall: 1,500-2,500 mm
- Temperatures: 20-30°C
- Major crops: coffee, tea, sugarcane, bananas, maize
Zone 2: Subhumid Tropical Zone
- Extends from the humid zone to the semi-arid zone
- Annual rainfall: 1,000-1,500 mm
- Temperatures: 20-25°C
- Major crops: maize, beans, sorghum, millet
Zone 3: Semi-Arid Zone
- Covers much of the eastern and northern regions
- Annual rainfall: 500-1,000 mm
- Temperatures: 25-35°C
- Major crops: sorghum, millet, cowpeas, goats, sheep
Zone 4: Arid Zone
- Low rainfall (below 500 mm) and high temperatures
- Mainly used for grazing and nomadic pastoralism
- Major livestock: camels, goats, sheep
Zone 5: Mountain Zone
- High altitude areas above 2,000 m
- Annual rainfall: 1,000-2,000 mm
- Temperatures: 10-15°C
- Major crops: wheat, barley, potatoes, pyrethrum