Dundalk's winters are typically cold and unpredictable, with temperatures often fluctuating between freezing and mild conditions. As the seasons transition into spring, temperatures gradually warm up, reaching averages around 9°C in March and 13°C in April. Summer months bring warmth, with highs often reaching above 30°C from May to August, while autumns are characterized by a cooling trend, with temperatures dropping back down to averages of around 8°C in November. In the winter months, temperatures can still drop below freezing, but generally hover around average lows of around 0-5°C. Overall, Dundalk's climate is marked by moderate temperature fluctuations throughout the year.