Dun Dealgan's climate is characterized by mild winters with occasional frost, gradually warming into spring with temperatures rising to around 10-12°C. Summer months bring pleasant warmth, often reaching highs of 20-25°C, although autumn can be quite cool again, with temperatures dropping back down to around 5-10°C. The lowest temperatures are typically recorded in January and December, with averages ranging from -7°C to 4°C, while July and August experience the warmest temperatures. April and May are transitional months, still experiencing some cooler days but also enjoying warmer spells. Overall, Dun Dealgan's climate is generally mild, with moderate temperature fluctuations throughout the year.