In winter, temperatures in Cwmbran typically range between freezing and mild days, with averages around 6-7°C. As spring arrives, the mercury rises steadily, reaching highs of up to 20°C by March and continuing into April's average of 10°C. Summer brings warmth, with July often seeing temperatures soar above 28°C, while August remains pleasant in the mid-to-high teens. Autumn is generally milder, with September and October experiencing similar temperatures to spring, around 14-18°C, before dropping off again in winter. The mildness of the seasons is tempered by occasional cold snaps and warm interludes throughout the year.