{"destination_name":"Marfa","destination_slug":"marfa","month_name":"December","month_num":12,"buckets":[{"half":1,"half_label":"Early December","pct_clear":10,"avg_high_f":63,"n_days":120},{"half":2,"half_label":"Late December","pct_clear":12,"avg_high_f":61,"n_days":128}],"month_pct_clear":11,"avg_high_f":62,"total_n":248,"source":"Open-Meteo ERA5 archive-api, 8 full years (2018–2025), daily temperature_2m_max / precipitation_sum / weathercode","temporal_coverage":"2018/2025","note":"Historical averages only. Not a forecast.","page_url":"https://sunny.day/marfa/december","month_hub_url":"https://sunny.day/warm-in/december"}