VietnamAverage weather for Halong Bay 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.
Start of April
The month of April starts in Halong Bay with hot temps, averaging around 27°C during the day and nights around 22°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers.
Mid April
By mid-April, daytime temps rise to around 28°C, with nights around 23°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of April
By the end of April, the average daytime temperature in Halong Bay is around 29°C, while nighttime temps are about 24°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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.
Halong Bay in April |
New York | ||
|---|---|---|---|
 Average temperature |
27°C | 17°C | |
 Max. temperature |
30°C | 22°C | |
| Min. temperature |
26°C | -5°C | |
 Total precipitation |
92 mm | 81 mm | |
| Rainy days |
11 days | 11 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?
Looking for great weather? April is a good time to be in Halong Bay. The temperatures are nice, and there’s not too much rain.
Temperature records
With 35°C in 2015, Halong Bay reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was 19°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 27°C.
Check out the climate of Halong Bay for all months and discover the best travel time
Curious about the weather in other parts of Vietnam? Check out the climate and weather for spots like Hanoi, Ho Chi Minh City, Hội An, or explore other destinations in Vietnam.
Daily Temperature in April in Halong Bay
This chart shows the average daily high and low temperatures in April for Halong Bay, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in April in Halong Bay
The chart below shows the average daily precipitation in April for Halong Bay, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for April, you can expect about 11 days of precipitation 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 few years.
Total precipitation in April in Halong Bay over the years
This chart shows the average precipitation in April in Halong Bay, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in April for Halong Bay
Click on any day in April to get detailed info about the usual 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
