September to December
The best time to visit Cat Ba is from late September to November, when skies tend to be clear. Temperatures cool during the winter to 15-20 C, and an eerie mist settles over the karst limestone.
February to May
Rain is common during these months.
June to August
Rain continues into these months. Average temperature is 25 to 28 C, although temperatures often reach 30 C, with high humidity.
Although it is difficult to predict the weather on Cat Ba in the short term, some weather stations try anyway. Be aware that whether it says sunshine or rain, there are never any guarantees.
