Llanelli's climate is mild and temperate, with temperatures gradually warming up as the seasons progress. Winters are cool, with average temperatures ranging from around 5-8°C in January and February, although occasional cold snaps can bring temperatures down to -4°C. As spring arrives, temperatures rise steadily, reaching an average of 10°C by May and 14°C by June. Summer months see warm to hot temperatures, with July being the warmest month on average, but August is slightly cooler. Autumn brings a return to milder temperatures, averaging around 13°C in October before dropping again in November and December.