Cao Bang

    Vietnam

    A remote northern frontier province defined by thundering waterfalls and untouched mountainous karst geology.

    Warmest month is June at 33°C on average. Coolest is January at 19°C.

    Costs and travel essentials

    • CoffeeWorld Bank PPP baseline
      ₫31,000 (~$1.25)
      Country-level price estimate for Vietnam, 2026-07-11. Scaled from a US baseline, not a local survey.
    • BeerWorld Bank PPP baseline
      ₫44,000 (~$1.75)
      Country-level price estimate for Vietnam, 2026-07-11. Scaled from a US baseline, not a local survey.
    • Flight timeMethodology
      12h 30m from London Heathrow
      Great-circle plus routing overhead.
    • Flight CO2eDEFRA 2024 factors
      3,488 kg return from London Heathrow
      DEFRA 2024 economy factors, includes radiative forcing.
    • FCDO advisorygov.uk, snapshot compiled 2026-07-11
      No specific FCDO warnings against travel.
      Check the latest FCDO advice before booking.
    • Tap waterCDC / WHO guidance
      Do not drink from the tap; use bottled or treated water.
    MonthAvg highDaily spreadRain days
    January19°11°C·
    February20°14°C·
    March24°12°C·
    April28°12°C·
    May31°10°C·
    June33°7°C·
    July33°6°C·
    August32°7°C·
    September31°7°C·
    October28°10°C·
    November25°10°C·
    December20°10°C·

    What to do

    • Marvel at the massive Ban Gioc Waterfall
    • Explore the stalactites of Nguom Ngao Cave
    • Ride a motorbike through the Phong Nam Valley
    • Hike to Thang Hen Lake

    How we know this

    Values are the average of the last ten calendar years of daily readings from Visual Crossing, snapped to the destination cluster. Daily spread is the width between the 10th and 90th percentiles of daily highs, not a forecast error margin. Rain days count any day with at least 1 mm of precipitation.