Jazan's climate is warm throughout the year, with temperatures rarely dropping below 20°C. Spring, which begins in March, brings increasing warmth, with average highs reaching 38°C by April. Summer months of June and July are hot, with temperatures often soaring above 40°C. Autumn, from September to November, sees a slight cooling trend, but daytime temperatures still regularly reach the mid-30s. Winters, December to February, are mild, with average highs ranging from 21°C to 31°C, allowing for pleasant outdoor conditions during this period.