Alor Setar experiences a warm and relatively consistent climate year-round, with temperatures ranging from 22-37°C. The hottest months are March and April, with average highs reaching 37°C, while the coolest months are January and December, averaging around 22-23°C. June to August see slightly cooler temperatures, but overall, the temperature remains steady throughout the year. Rainfall is not mentioned in the data, implying a dry climate. The temperature fluctuations between day and night are significant, with highs often being 5-10°C higher than lows.