Based on the Köppen climate classification, Mount Selkirk is located in a subarctic climate zone with cold, snowy winters, and mild summers.[6] Temperatures can drop below −20 °C with wind chill factors below −30 °C. Precipitation runoff from the mountain drains into tributaries of the Vermilion River.
^Gadd, Ben (2008), Geology of the Rocky Mountains and Columbias
^Peel, M. C.; Finlayson, B. L.; McMahon, T. A. (2007). "Updated world map of the Köppen−Geiger climate classification". Hydrol. Earth Syst. Sci. 11: 1633–1644. ISSN1027-5606.