Spring : About mid-February to mid-April. Winter starts losing its bite around mid-February.
Summer : Mid-April to end of June. It is hot in summer and light cottons are recommended.
Rainy Season : July - September. Still quite warm and humid on most days. Plenty of rain.
Autumn : October - November. Days are pleasantly warm, nights are cool. May need light woollens at night or in early mornings.
Winter: December - January. It is quite pleasant during the day when the sun is out and you may get by with one layer of woollen clothing. The winter nights are cold and an extra layer of woollens is required.