La Garenne-Colombes experiences a temperate climate with distinct seasonal variations. Winters, spanning from January to March and again in December, are generally cool with temperatures often below freezing, especially in the mornings and evenings, but can rise to mild highs around 14-19°C on occasion. Spring arrives in April, bringing warmer days as high as 25°C, while summer months of June to August see average highs around 18-20°C, with occasional heatwaves pushing temperatures into the mid-to-high 30s. Autumn is characterized by decreasing temperatures from September onwards, with October being a notable exception due to its relatively warm conditions.