All-hallown summer

{
  "id": "MLC-T-MET-003440",
  "term": "All-hallown summer",
  "field": "Meteorology and atmospheric science",
  "definition": "A period of unseasonably warm, calm, and dry weather that sometimes occurs in late autumn, typically around the end of October or early November. This phenomenon is also known as Indian summer in North America. It is characterized by clear skies and mild temperatures following an initial period of colder weather.",
  "synonyms": [
    "Allhallow summer",
    "All Saints’ summer"
  ],
  "url": "https://mlchart.com/terminology/meteorology/all-hallown-summer/"
}