The climate on the plateau is tropical but cooler than the surrounding lowlands. Average temperatures range from 15.5 °C to 18.5 °C in the coolest months to 27.5 °C to 30.5 °C during the hottest month/ daysmonths. Rainfall ranges from 2,000 mm per year in the southwest to 1,500 mm or less in the drier northeast. Rainfall for the town of Jos averages 1,411 mm per year. Rainfall is highly seasonal,epochal falling mostly between June and September with July and August the wettest months. Moisture-bearing winds come from the south and west, and rainfall is higher on the windward south- and west-facing slopes.<ref name = wwf/>