Dinalupihan experiences a warm climate year-round, with temperatures gradually increasing from January to May and then stabilizing. The hottest months are April and May, with average highs reaching around 31°C, while the coolest month is June, with temperatures dipping as low as 16°C. From July to October, temperatures remain relatively consistent, averaging around 28°C. In the winter months (December to February), temperatures range from 20-33°C, providing a brief respite from the heat. The temperature fluctuations are moderate throughout the year, with minimal extreme variations.