Climate The weather in the UAE varies from the coastal to the inland areas. While the climate in the coastal region tends to be hot and humid in summer (June to September) and warm and pleasant in winter (October to May), it turns to become mainly dry in the inland region, with generally higher temperatures in summer and cooler ones in winter. In summer, temperatures reach 45 C with higher humidity in the coastal areas. In winter, the temperatures are around 20 C with mild weather.