2024 Yes The role of weather conditions on time spent outdoors and in moderate-to-vigorous physical activity among Norwegian preschoolers https://doi.org/10.1080/02640414.2021.1976490 Ylvisåker, Einar Europe Observational Students Elementary (K-5) Temperature Humidity Other Weather accelerometry Kindergarten outdoors playground preschoolers In 1,201 Norwegian preschoolers, rainfall, wind, and wet or icy playgrounds reduced MVPA; temperature, snowfall, and dry conditions increased MVPA. Adjusting for outdoor time altered some associations. Both MVPA and outdoor time should be considered in weather-related interventions. 2022