Xining has also been dubbed the Summer Resort Capital of China owing to its cool summer, with a cold semi-arid climate (Köppen BSk). Conditions are influenced by the aridity and high altitude. Lows are cold or cool throughout the year, and highs are often more than 15 °C (27 °F) warmer than lows. Monthly daily averages range from −7.4 °C (18.7 °F) in January to 17.3 °C (63.1 °F) in July; the year averages at 6.1 °C (43.0 °F). Rainfall falls mainly from May to September, and the area is often dry and sunny, with nearly 2680 hours of bright sunshine per year
