When Does Summer Officially Start 2024 Canada. Summer 2024 starts on thursday, june 20th in the northern hemisphere, with the first day of summer being the longest daylight day of the year with the earth's axis having reached its. Each season brings different weather, hours of light, and.
What exactly is the summer solstice? El niรฑo was the key to our winter (or lack thereof) during the past year, but the global pattern is in a state of upheaval once again.