Kitadaitōjima has a tropical rainforest climate (Köppen climate classification Af) with very warm summers and mild winters. The average annual temperature in Kitadaitōjima is . Precipitation is significant throughout the year; the wettest month is May and the driest month is February. The island is subject to frequent typhoons. The average annual rainfall is with September as the wettest month. The temperatures are highest on average in August, at around , and lowest in January, at around . Its record high is , reached on 7 September 2017, and its record low is , reached on 15 February 2015.
