Complex sentence: Summer can be quite hot with temperatures exceeding 40 ° C (104 ° F) on the hottest days, although afternoons in summer tend to cool down and most summer nights are around 13 ° C (55.4 ° F).
Split into simpler sentences: Summer can be quite hot with temperatures exceeding 40 ° C (104 ° F) on the hottest days. Although afternoons in summer tend to cool down and most summer nights are around 13 ° C (55.4 ° F).