The most optimal time to visit Thien Cung Cave, revered for its stunning stalactites and stalagmites, is during the spring months from March to May. During this period, Ha Long Bay enjoys mild weather with temperatures ranging from 20°C to 22°C. This creates a comfortable climate for exploring the cave without the hindrance of the scorching heat or the dampness associated with monsoon rains. Spring also offers clearer skies, which is ideal for views both inside the cave and while cruising on the bay. Plus, the lower humidity levels help to ensure that the paths within Thien Cung Cave are less slippery, making your excursion both safe and enjoyable.
In addition to spring, the fall season, particularly from September to November, is another excellent time to visit. The typhoon season has ended, and visitors can experience fewer crowds compared to the peak summer months. The temperature during these months stays within a comfortable range from 23°C to 28°C with reduced rainfall, offering pleasant conditions for traveling. Making the visit during the shoulder seasons not only ensures comfortable weather but also allows for better deals on cruises and accommodation as this is outside the peak tourist season.
| Month | Min Temp | Max Temp |
|---|---|---|
| January | 15 °c | 20 °c |
| February | 16 °c | 20 °c |
| March | 18 °c | 23 °c |
| April | 21 °c | 26 °c |
| May | 24 °c | 30 °c |
| June | 26 °c | 31 °c |
| July | 28 °c | 32 °c |
| August | 28 °c | 32 °c |
| September | 26 °c | 31 °c |
| October | 23 °c | 28 °c |
| November | 20 °c | 24 °c |
| December | 17 °c | 22 °c |
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