Lupao's climate is warm and sunny year-round, with temperatures gradually increasing throughout the dry season. From January to May, temperatures rise steadily, averaging around 24-26°C, with no distinct cool or cold months. The wettest months are not defined by temperature fluctuations but rather by a consistent high of 35°C in some months. June to September marks a slight drop in temperature averages back down to 24°C before increasing again for the rest of the year. December temperatures return to around 22°C, similar to January's range, indicating a cyclical pattern in Lupao's climate.