Muntinlupa City experiences a relatively consistent climate throughout the year, with temperatures rarely dipping below 20°C or exceeding 40°C. The warmest months are March and May, with average highs reaching 28-30°C, while June is slightly cooler due to increased humidity from the southwest monsoon. July is also hot, but temperature fluctuations remain within a narrow range. Cooler mornings occur in December and January, but afternoons still reach highs of around 27-33°C. Overall, temperatures rarely deviate far from the mid-to-high twenties during most months.