When Is Summer 2025 In Canada Start Date. The summer solstice is the first day of astronomical summer, although the more logical metrological summer begins december 1st / june 1st (depending on hemisphere). Canada the exact moment of the summer solstice in 2025 is 20 june, at.
Ottawa the exact moment of the summer solstice in 2025 is 20 june, at. Vancouver the exact moment of the summer solstice in 2025 is 20 june, at.