{"icao":"YSWS","station":"Western Sydney International (Nancy-Bird Walton) Airport","country":"AU","period":"1991-2020","source":"NOAA GSOD","units":{"tavg":"°C","tmax":"°C","tmin":"°C","prcp":"mm","wet_days":"days"},"note":"Monthly means for the period shown. Averages, not a forecast.","generated":"2026-11-02T03:25:19.776Z","months":[{"month":1,"tavg_c":22.8,"tmax_c":30.1,"tmin_c":16.6,"prcp_mm":79,"wet_days":10.3},{"month":2,"tavg_c":22.1,"tmax_c":28.6,"tmin_c":16.6,"prcp_mm":111.6,"wet_days":10.3},{"month":3,"tavg_c":20.2,"tmax_c":26.6,"tmin_c":14.7,"prcp_mm":76.3,"wet_days":11},{"month":4,"tavg_c":17.1,"tmax_c":23.9,"tmin_c":10.7,"prcp_mm":44.8,"wet_days":8.8},{"month":5,"tavg_c":13.5,"tmax_c":20.6,"tmin_c":6.9,"prcp_mm":37.4,"wet_days":6.8},{"month":6,"tavg_c":11.1,"tmax_c":17.6,"tmin_c":4.9,"prcp_mm":54.6,"wet_days":9.2},{"month":7,"tavg_c":10.3,"tmax_c":17.4,"tmin_c":3.3,"prcp_mm":24.5,"wet_days":6.5},{"month":8,"tavg_c":11.6,"tmax_c":19,"tmin_c":3.9,"prcp_mm":34.2,"wet_days":5.6},{"month":9,"tavg_c":14.7,"tmax_c":22.4,"tmin_c":6.8,"prcp_mm":37.6,"wet_days":7},{"month":10,"tavg_c":17.2,"tmax_c":24.8,"tmin_c":9.7,"prcp_mm":52.1,"wet_days":8.2},{"month":11,"tavg_c":19.4,"tmax_c":26.7,"tmin_c":12.8,"prcp_mm":68.9,"wet_days":10.2},{"month":12,"tavg_c":21.2,"tmax_c":28.5,"tmin_c":14.8,"prcp_mm":51.7,"wet_days":9.5}]}