Tallaght's winters are typically chilly and unpredictable, with temperatures often dropping below freezing in January and February. As spring arrives in March, temperatures gradually warm up, reaching averages of around 7°C by April. Summer is mild, with July being the warmest month, but temperatures can still dip to as low as 3°C on cooler days. Autumn brings a return to cooler temperatures, with October being particularly chilly, before winter sets back in with temperatures similar to those experienced in January and February. Overall, the temperature range is relatively narrow throughout the year, with averages rarely straying far from around 7-15°C.