Summers average daytime high temperatures of  and lows of around , but temperatures can reach  on some days. Days above  occur on average 1.55 days per year (1992–2011). Days between  and  are relatively common especially in July and August. Night-time lows of above  are rare, and hot summer nights vary from . Winters generally bring cloudy weather with the most precipitation falling in December and January (as rain or as snow). The average winter temperatures range from , and occasionally drop below  in the outskirts. Spring and autumn are generally cool to mild.