Northern Zone
- Semi-arid zone:
- Annual rainfall: 400-700 mm
- Vegetation: Grasslands, savanna woodlands
- Crops: Sorghum, finger millet, cowpeas
- Arid zone:
- Annual rainfall: <400 mm
- Vegetation: Desert shrubs, grasslands
- Crops: None, mainly grazing
Eastern Zone
- Dry highland zone:
- Annual rainfall: 600-1000 mm
- Vegetation: Grasslands, woodlands
- Crops: Maize, beans, sunflower
- Wet highland zone:
- Annual rainfall: >1000 mm
- Vegetation: Forests, woodlands
- Crops: Coffee, tea, bananas
Central Zone
- Lake Victoria Crescent Zone:
- Annual rainfall: 1000-1500 mm
- Vegetation: Forests, woodlands, grasslands
- Crops: Bananas, cassava, maize, coffee
- Central Cattle Corridor:
- Annual rainfall: 700-1000 mm
- Vegetation: Grasslands, savanna woodlands
- Crops: Maize, beans, cattle
Western Zone
- Western Highlands Zone:
- Annual rainfall: >1000 mm
- Vegetation: Forests, woodlands
- Crops: Coffee, tea, plantains
- Banana-Coffee Zone:
- Annual rainfall: 1200-1500 mm
- Vegetation: Forests, woodlands
- Crops: Bananas, coffee, sugar
Albertine Rift Zone
- Albertine Rift Equatorial Zone:
- Annual rainfall: 1200-1500 mm
- Vegetation: Forests, woodlands, grasslands
- Crops: Coffee, tea, oil palm
Southern Zone
- Tanzanian Border Zone:
- Annual rainfall: 800-1200 mm
- Vegetation: Grasslands, savanna woodlands
- Crops: Maize, sorghum, beans
- North Kivu Highlands:
- Annual rainfall: 1000-1500 mm
- Vegetation: Forests, woodlands
- Crops: Coffee, tea, plantains