Abu Dhabi has a sub-tropical, arid climate and sunny blue skies with temperatures that vary but never disappoint. Rainfall is infrequent and irregular, falling mainly in winter - November to March (12 cm per year). Temperatures range from a low of around 10° C (50° F), to a high of around 48° C (118° F) in the summer. The most pleasant time to visit is in the cooler winter months when temperatures are around 24° C (75° F) during the day and 13° C (56° F) at night. Air conditioning makes life comfortable even in summer, though humidity can be somewhat high for prolonged stays outdoors during the hottest months (July and August).