Probolinggo's weather is characterized by relatively consistent temperatures throughout the year, with average highs ranging from 27-29°C. The cooler months are January and February, with highs slightly below 33°C, while the warmer months are May to October, with highs often reaching above 34°C. The temperature fluctuation between day and night remains significant, especially during the dry season from June to September. Overall, the city experiences a relatively stable tropical climate, with temperatures rarely dropping below 20°C or rising above 38°C.