Fribourg's winters are cold and varied, with temperatures often dropping below -20°C in January but occasionally rising above freezing by mid-February. As spring approaches, temperatures slowly warm up, with April marking a significant increase, allowing for mild days around 20°C. Summers are pleasant, with June and July averaging highs around 25-30°C, while September's warmth is short-lived as autumn brings cooler temperatures. Autumn can be quite chilly, especially in November when nighttime lows often drop below -10°C, returning winter's grip on the city by December.