What's the weather temperature in Sumatra, Indonesia in January?

Sumatra crosses the equator and belongs to the tropical rainforest climate. Because of the high temperature and rainy all the year round, the temperature difference is not big, but the rainfall is obviously different. The average monthly temperature varies between 24-28℃ in a year, and the annual temperature difference generally does not exceed 5℃, especially in the ocean, which usually does not exceed 65438 0℃. The daily variation of temperature is greater than the annual variation, and the daily amplitude can reach 10- 15℃. However, the daily maximum temperature rarely exceeds 35℃, and the daily minimum temperature rarely falls below 20℃.