Glasgow's winters are chilly and unpredictable, with temperatures often plummeting below freezing in January and February. Spring is a slow-warming process, with March and April still experiencing cold snaps but gradually warming up towards the end of May. Summer months bring mild to warm conditions, with June and July averaging around 16°C, while August can be slightly cooler. Autumn is characterised by cool temperatures, with October and November often feeling quite chilly, before a slight warming trend in December.