Located in the middle of the Mojave Desert, Las Vegas has hot, dry summers and mild winters, with plenty of sunshine all year round. In the height of summer, during July and August, the mercury often soars above 100°F (38°C). Winters (December to February) are cooler and bring winds and cold nights, with daytime highs of around 60°F (16°C) and chilly nights averaging 40°F (4°C). What little rain there is usually falls in winter, between January and March. In summer there are sometimes late afternoon thunderstorms that move in from Mexico.