What should I pay attention to when traveling to Johor Bahru, Malaysia in summer?

The average summer temperature in Johor Bahru is 23~32℃. The average temperature during the day is 32 degrees Celsius. It is recommended to wear short clothes, short skirts, thin skirts, shorts and other cool and breathable clothes made of light cotton fabric. The average temperature at night is 23 degrees Celsius. It is recommended to wear cool and breathable clothes, such as shirts, thin long skirts and thin T-shirts made of cotton and linen. The cities with the highest daily average temperature in Johor Bahru in summer are Bataaling Nyaya (33℃), Penang (3 1℃), Kota Baru (32℃) and Kota Kin Na Ba Road (32℃). The cities with the lowest daily average temperature in Johor Bahru in summer are Bataaling Nyaya (23℃), Penang (24℃), Kota Bharu (23℃) and Kota Kin Na Ba Road (23℃).