Winters in Brest are generally mild, with temperatures rarely dropping below freezing and averaging around 7-9°C. Spring is a period of steady warming, with temperatures rising gradually from the mid-10s to the mid-20s by April. Summers are warm, with July typically being the hottest month, although temperature fluctuations can be significant, with overnight lows sometimes dipping into single digits. Autumn is similar to spring in terms of temperature trends, with a gradual cooling from the mid-teens to around 10°C by November. Decembers and Januaries often see temperatures return to averages similar to those at the start of winter.