How is the Weather in Halong Bay in March?

March in Halong Bay signifies the end of the cold winter months and the beginning of spring: Temperatures rise, as does rainfall and humidity. The good thing about the weather in March is the higher average temperature. This does, unfortunately have some negative side effects like the longer rainy spells indicative of the warmer months. While this does give the bay an almost prehistoric glamor, it can dampen the adventurous spirit.

Temperature

Halong Bay begins to thaw in March, ushering in warmer weather. Expect average temperatures of around 20 degrees Celsius, with highs of 23 and lows of 18. This is a delightful time of year to spend outdoors, exploring the caves or simply lounging around, providing you can avoid the light showers.

Sunlight

As Vietnam is so close to the equator, sunrise and sunset don’t tend to deviate significantly, with seven to eight hours of sunlight a day throughout the year. March is on the higher end of this scale, with an average of around 8 hours of sunlight a day.

Humidity

With March’s mix of higher temperatures and increased levels of rainfall, humidity levels are inevitably higher than the winter months, with around 75% humidity. This is still lower than the average, however, which is 90% humidity for monsoon season.

Rainfall

Looking at how much rain falls through March can be misleading. While the average rainfall through the entire month is 53mm over around 13 days, it is more consistent than that of the summer months. This means that, while there is less rain, it continues for a longer period, making it less desirable to pursue outdoor activities.

Overall March is a good month to visit. The humidity is low, making activities less tiresome, and the light rains can turn this ancient seascape into a surreal and awe-inspiring picture. Some might find, however, that the consistent rainfall leads something to be desired.

>> Follow the weather in Halong Bay in March 

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