{
  "name": "Hakuba Valley",
  "type": "ski resort",
  "url": "https://snowingplaces.com/ski-resorts/hakuba-valley/",
  "summary": "Ten ski resorts at the foot of the Northern Japan Alps in Nagano, which hosted events at the 1998 Winter Olympics.",
  "location": {
    "country": "Japan",
    "region": "Nagano",
    "latitude": 36.7,
    "longitude": 137.84
  },
  "elevationMetres": {
    "topLift": 1831,
    "village": 740
  },
  "season": {
    "opens": "Late November",
    "closes": "Early May"
  },
  "officialWebsite": "https://www.hakubavalley.com/en/",
  "factsVerified": true,
  "forecast": {
    "generatedUtc": "2026-09-18T16:00:00.000Z",
    "models": [
      "ECMWF IFS",
      "NOAA GFS",
      "DWD ICON"
    ],
    "updateFrequency": "every 3 hours",
    "topLift": {
      "headline": "No snow in the next 24 hours.",
      "detail": "No snow expected in the next 7 days.",
      "confidence": {
        "label": "High confidence",
        "modelsAgreeing": 3,
        "reason": "all three forecast models agree"
      },
      "next24Hours": {
        "snowfallCm": {
          "low": 0,
          "high": 0,
          "mean": 0
        },
        "modelsForecastingSnow": 0,
        "text": "Under 1 cm"
      },
      "next7Days": {
        "snowfallCm": {
          "low": 0,
          "high": 0,
          "mean": 0
        },
        "modelsForecastingSnow": 0,
        "text": "Under 1 cm"
      },
      "conditionsAtForecastTime": {
        "temperatureC": 11,
        "windKmh": 2,
        "gustKmh": 12,
        "freezingLevelM": 4650
      },
      "days": [
        {
          "day": "Today",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 11,
            "max": 19
          },
          "maxGustKmh": 21,
          "freezingLevelM": 4700
        },
        {
          "day": "Sun",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 12,
            "max": 18
          },
          "maxGustKmh": 37,
          "freezingLevelM": 4950
        },
        {
          "day": "Mon",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 13,
            "max": 16
          },
          "maxGustKmh": 46,
          "freezingLevelM": 5350
        },
        {
          "day": "Tue",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 2,
          "temperatureC": {
            "min": 9,
            "max": 16
          },
          "maxGustKmh": 40,
          "freezingLevelM": 5350
        },
        {
          "day": "Wed",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 2,
          "temperatureC": {
            "min": 9,
            "max": 17
          },
          "maxGustKmh": 22,
          "freezingLevelM": 4750
        },
        {
          "day": "Thu",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 11,
            "max": 16
          },
          "maxGustKmh": 30,
          "freezingLevelM": 4300
        },
        {
          "day": "Fri",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 9,
            "max": 16
          },
          "maxGustKmh": 25,
          "freezingLevelM": 4350
        }
      ],
      "outlookDays8To14": [
        {
          "day": "Sat 26 Sep",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 9,
            "max": 13
          }
        },
        {
          "day": "Sun 27 Sep",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 8,
            "max": 13
          }
        },
        {
          "day": "Mon 28 Sep",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 8,
            "max": 12
          }
        },
        {
          "day": "Tue 29 Sep",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 5,
            "max": 11
          }
        },
        {
          "day": "Wed 30 Sep",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 6,
            "max": 10
          }
        },
        {
          "day": "Thu 1 Oct",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 5,
            "max": 10
          }
        },
        {
          "day": "Fri 2 Oct",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 5,
            "max": 10
          }
        }
      ],
      "modelledSnowDepth": "No snow on the ground",
      "modelledSnowDepthCm": 0,
      "localTimeAtForecast": "01:00",
      "timezone": "GMT+9"
    },
    "village": {
      "headline": "No snow in the next 24 hours.",
      "detail": "No snow expected in the next 7 days.",
      "confidence": {
        "label": "High confidence",
        "modelsAgreeing": 3,
        "reason": "all three forecast models agree"
      },
      "next24Hours": {
        "snowfallCm": {
          "low": 0,
          "high": 0,
          "mean": 0
        },
        "modelsForecastingSnow": 0,
        "text": "Under 1 cm"
      },
      "next7Days": {
        "snowfallCm": {
          "low": 0,
          "high": 0,
          "mean": 0
        },
        "modelsForecastingSnow": 0,
        "text": "Under 1 cm"
      },
      "conditionsAtForecastTime": {
        "temperatureC": 16,
        "windKmh": 2,
        "gustKmh": 9,
        "freezingLevelM": 4600
      },
      "days": [
        {
          "day": "Today",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 16,
            "max": 25
          },
          "maxGustKmh": 22,
          "freezingLevelM": 4700
        },
        {
          "day": "Sun",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 18,
            "max": 25
          },
          "maxGustKmh": 40,
          "freezingLevelM": 4950
        },
        {
          "day": "Mon",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 2,
          "temperatureC": {
            "min": 19,
            "max": 23
          },
          "maxGustKmh": 42,
          "freezingLevelM": 5350
        },
        {
          "day": "Tue",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 2,
          "temperatureC": {
            "min": 15,
            "max": 23
          },
          "maxGustKmh": 41,
          "freezingLevelM": 5350
        },
        {
          "day": "Wed",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 2,
          "temperatureC": {
            "min": 14,
            "max": 24
          },
          "maxGustKmh": 22,
          "freezingLevelM": 4750
        },
        {
          "day": "Thu",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 2,
          "temperatureC": {
            "min": 16,
            "max": 23
          },
          "maxGustKmh": 24,
          "freezingLevelM": 4300
        },
        {
          "day": "Fri",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 15,
            "max": 23
          },
          "maxGustKmh": 18,
          "freezingLevelM": 4300
        }
      ],
      "outlookDays8To14": [
        {
          "day": "Sat 26 Sep",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 15,
            "max": 20
          }
        },
        {
          "day": "Sun 27 Sep",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 15,
            "max": 19
          }
        },
        {
          "day": "Mon 28 Sep",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 14,
            "max": 19
          }
        },
        {
          "day": "Tue 29 Sep",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 12,
            "max": 18
          }
        },
        {
          "day": "Wed 30 Sep",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 11,
            "max": 16
          }
        },
        {
          "day": "Thu 1 Oct",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 11,
            "max": 18
          }
        },
        {
          "day": "Fri 2 Oct",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 11,
            "max": 18
          }
        }
      ],
      "modelledSnowDepth": "No snow on the ground",
      "modelledSnowDepthCm": 0,
      "localTimeAtForecast": "01:00",
      "timezone": "GMT+9"
    }
  },
  "snowRecord": {
    "metric": "average days per month with at least 1 cm of snowfall",
    "period": "2016–2025",
    "source": "ERA5 reanalysis via Open-Meteo",
    "elevation": "mid-mountain",
    "daysPerMonth": {
      "january": 22.8,
      "february": 17.7,
      "march": 13.8,
      "april": 5.9,
      "may": 0.4,
      "june": 0,
      "july": 0,
      "august": 0,
      "september": 0,
      "october": 1.1,
      "november": 8,
      "december": 20.6
    },
    "shareOfAnnualSnowfallPercent": {
      "january": 27,
      "february": 20,
      "march": 13,
      "april": 4,
      "may": 0,
      "june": 0,
      "july": 0,
      "august": 0,
      "september": 0,
      "october": 0,
      "november": 8,
      "december": 27
    },
    "averageDailyTemperatureC": {
      "january": {
        "low": -9.8,
        "high": -3.4
      },
      "february": {
        "low": -9.5,
        "high": -2.4
      },
      "march": {
        "low": -4.7,
        "high": 2.8
      },
      "april": {
        "low": -0.5,
        "high": 8.6
      },
      "may": {
        "low": 5.2,
        "high": 15
      },
      "june": {
        "low": 10.1,
        "high": 18.7
      },
      "july": {
        "low": 15,
        "high": 22.7
      },
      "august": {
        "low": 16.1,
        "high": 23.7
      },
      "september": {
        "low": 12.7,
        "high": 20
      },
      "october": {
        "low": 5.8,
        "high": 13.4
      },
      "november": {
        "low": -0.9,
        "high": 7.1
      },
      "december": {
        "low": -7.2,
        "high": -0.4
      }
    },
    "wintersAsPercentOfAverage": {
      "2016/17": 91,
      "2017/18": 107,
      "2018/19": 95,
      "2019/20": 87,
      "2020/21": 99,
      "2021/22": 121,
      "2022/23": 85,
      "2023/24": 107,
      "2024/25": 118,
      "2025/26": 89
    },
    "holidays": {
      "christmas": {
        "years": 10,
        "yearsWithSnowOnGround": 10,
        "yearsWithFreshSnow": 10
      },
      "newYear": {
        "years": 10,
        "yearsWithSnowOnGround": 10,
        "yearsWithFreshSnow": 10
      },
      "midFebruary": {
        "years": 10,
        "yearsWithSnowOnGround": 10,
        "yearsWithFreshSnow": 10
      },
      "easter": {
        "years": 10,
        "yearsWithSnowOnGround": 10,
        "yearsWithFreshSnow": 5
      },
      "midJuly": {
        "years": 10,
        "yearsWithSnowOnGround": 0,
        "yearsWithFreshSnow": 0
      }
    },
    "note": "Absolute snowfall and depth are not published: ERA5 underestimates them in mountain terrain."
  },
  "sources": [
    {
      "label": "Hakuba Valley",
      "url": "https://www.hakubavalley.com/en/"
    },
    {
      "label": "Hakuba Valley snow resort info",
      "url": "https://www.hakubavalley.com/en/ski_resort_info_en/"
    },
    {
      "label": "Wikipedia (Hakuba Happoone)",
      "url": "https://en.wikipedia.org/wiki/Hakuba_Happoone_Winter_Resort"
    },
    {
      "label": "Skiresort.info (Happo-One)",
      "url": "https://www.skiresort.com/en/ski-resort/happo-one-hakuba/"
    }
  ],
  "methodology": "https://snowingplaces.com/methodology/",
  "attribution": "snowingplaces.com. Weather data by Open-Meteo.com."
}