Wet Equatorial / Tropical Rainforest Climate: Köppen  Af Iquitos, Peru, Lat 3° S, upper Amazon Lowland (Map) Uniform temperatures near 70°F (22°C) Actually, this is cooler than the target annual mean temperature of 80º F (27 C) attributed to Wet Equatorial, Af climates Daily temp variation greater than monthly! Annual temperature range here = 4°F (2.2°C)! Abundant rainfall in all months Annual precipitation = 103 in (262 cm) Dominated by the ITC, all year, with its convectional rainfall ITC = Intertropical Convergence Zone Low pressure belt, converging Trade Winds, convectional uplift