Temperatures in April
It's warm in April in Halong Bay with an average temperature of 27°C. Temperatures this month range from a low of 26°C to a high of 30°C. At night, you can expect temperatures between 21°C and 24°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Halong Bay in April. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of April
The month of April starts in Halong Bay with hot temperatures, averaging around 27°C during the day and nights close to 22°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-April
By mid-April, the average daytime temperature rises to around 28°C, with nights close to 23°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of April
By the end of April, the average daytime temperature in Halong Bay will be around 29°C, with nights close to 24°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
Precipitation in April
In April, there is an average of 92 mm of precipitation, spread over 11 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
The average precipitation chance is 36% per day this month. The weather’s variable. There are also a few days with lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in April for Halong Bay. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Halong Bay in April |
London | ||
|---|---|---|---|
 Average Temperature |
27°C | 15°C | |
 High Temp |
30°C | 18°C | |
| Low Temp |
26°C | 12°C | |
 Total Precipitation |
92 mm | 29 mm | |
| Rainy Days |
11 days | 7 days | |
March
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is April a good time to visit Halong Bay?
Want nice weather? Then April is a great time to be in Halong Bay. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Halong Bay in April
With 35°C, Halong Bay hit the highest temperature in the last 10 years in April 2015. The lowest daytime temperature in this month was 19°C in 2020. The extreme night temperatures ranged from a low of 11°C to a high of 27°C.
Check out the climate of Halong Bay for all months and discover the best travel time
Curious about the climate in other parts of Vietnam? Check out the weather and climate in places like Hanoi, Ho Chi Minh City, Hội An, or have a look at other destinations in Vietnam.
Daily Temperature in April in Halong Bay
This chart shows the average daily temperatures, both day and night, for each day in April in Halong Bay, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in April in Halong Bay
The chart below shows the average daily precipitation in April for Halong Bay, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for April, you can expect around 11 days of rain in Halong Bay.
Daily UV Index in April in Halong Bay
This chart shows the average daily UV index in April in Halong Bay, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in April in Halong Bay Over the Years
This chart shows the average temperature in April in Halong Bay, measured in degrees Celsius, over the past years.
Total Precipitation in April in Halong Bay Over the Years
This chart shows the average precipitation in April in Halong Bay, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in April for Halong Bay
Click on a specific day in April for detailed info on the typical weather on that day in Halong Bay. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in April in Halong Bay
Have you been to Halong Bay in April?
Share your weather experience in April in Halong Bay.
Average Weather in Halong Bay by Month
Click on a month below to see detailed weather info for Halong Bay. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Halong Bay for all months at once
