Closing the basic weather and climate data gap in Bhutan and other vulnerable countries will improve global weather models substantially, leading to better local forecasts and more effective early warnings – a key element of effective adaptation and of saving lives. This case study is part of the publication “Adaptation Gap Report 2023: Underfinanced. Underprepared. Inadequate investment and planning on climate adaptation leaves world exposed” (ISBN No: 978-92-807-4092-9). Suggested citation: United Nations Environment Programme (2023). Closing weather and climate data gaps: Enabling effective adaptation in Bhutan. An online resource of Adaptation Gap Report 2023: Underfinanced. Underprepared. Inadequate investment and planning on climate adaptation leaves world exposed. Nairobi. https://doi.org/10.59117/20.500.11822/43796