Inukjuak has a polar climate with a July average of and February average of . The climate is influenced by the freezing of the shallow Hudson Bay combined with extremely moderated summers with very pronounced seasonal lag as the bay thaws. As a result, Inukjuak gets an extremely cold climate for the latitude, especially considering its maritime position. On similar latitudes in Scandinavia in northern Europe, or the northernmost tip of mainland Scotland the summers are close to warmer and winters are around the freezing point – demonstrating the extreme chilliness of the climate.