Olongapo's climate is characterized by a relatively stable temperature range throughout the year, with slight variations between seasons. The dry season, which spans from January to May, brings temperatures that rise steadily, peaking in April and May with average highs of around 30°C. As the wet season sets in from June to August, temperatures drop slightly but still remain warm, averaging around 28°C. The late summer months of September to November see a return to warmer temperatures, while December marks the beginning of another dry spell, with temperatures gradually cooling down towards the end of the year. Overall, Olongapo's climate is mild and tropical, with minimal seasonal fluctuations in temperature.