Best year time to visit Hạ Long

General weather information about Hạ Long

Average annual temperature is 24.2 °C

Absolute maximum temperature: 36.9 °C

Absolute minimum temperature: 6.8 °C

Number of sunny days: 125 days

Number of rainy days: 240 days

Look at detailed online map of Hạ Long

* Weather data for Hạ Long Vietnam is based on climate observations for 2026 year

Hạ Long air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)29.125.530.130.434.633.136.932.734.231.530.827.8
Average daytime temperature (°C)19.822.024.927.330.331.032.030.830.229.527.322.6
Average temperature (°C)16.119.121.324.427.428.629.428.227.426.123.218.9
Average night temperature (°C)12.616.718.622.324.926.527.025.825.123.119.815.5
Absolute minimum temperature (°C)7.013.214.518.319.624.723.824.723.920.812.96.8

Hạ Long monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.011.012.012.013.013.013.013.012.011.011.010.0
Daylight mean duration (h)11.011.512.012.613.113.413.312.812.311.711.110.9
Daylight minimum duration (h)10.011.011.012.012.013.013.012.011.011.010.010.0
Sunshine mean duration (h)6.34.56.96.29.67.210.98.07.48.78.76.2
Precipitation (mm)3427336398442179316324571624
Sunny days17131510111211201618
Rainy days141516202029293029111413
Snow days000000000000

Hạ Long - weather forecast by months

Hạ Long weather in januaryHạ Long weather in februaryHạ Long weather in marchHạ Long weather in aprilHạ Long weather in mayHạ Long weather in juneHạ Long weather in julyHạ Long weather in augustHạ Long weather in septemberHạ Long weather in octoberHạ Long weather in novemberHạ Long weather in december

Best time to visit Hạ Long:

The best time to visit Hạ Long during the most sunny months:

  • May — 9.6(h)
  • July — 10.9(h)

The largest precipitation sum in Hạ Long is at

  • June — 442(mm)
  • July — 179(mm)
  • August — 316(mm)
  • September — 324(mm)

    • Weather forecast in the closest to Hạ Long admin centers

    Weather forecast in the closest towns to Hạ Long

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    MapTrains schedule
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    Frequently asked questions

    When is the best time to visit Hạ Long?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Hạ Long.
    What is the weather like in Hạ Long?
    See average temperature, rainfall and daylight hours for Hạ Long by month in the table above.
    How many sunny days does Hạ Long have?
    The monthly weather statistics above show sunshine and rainfall patterns for Hạ Long throughout the year.