Winters in Forest, Belgium are typically cold and variable, with temperatures often dropping below freezing but occasionally rising into the mid-teens. Spring brings gradual warming, with temperatures increasing steadily as the season progresses. Summers are mild, with average highs rarely exceeding 27°C, while autumns can be cool and wet, with temperatures similar to those in spring. The coldest months are January and December, while June and July are generally the warmest. Temperatures tend to fluctuate more widely than they do in other seasons.