© Shorter Days, but Rising TemperaturesĪlthough daylight hours decrease during the summer months, temperatures continue to rise in most regions. Places within the polar circles experience Midnight Sun or polar day during all or part of the summer season when the Sun does not set at all.Įarliest sunrise is not on the longest dayĮarth's position in relation to the Sun's rays at the June solstice. In Toronto, the longest day is just over 15 hours and 26 minutes long in Miami, roughly 2000 kilometers or 1200 miles farther south, it lasts about 13 hours and 45 minutes. Locations closer to the poles experience larger differences in day length throughout the year, so summer days are longer there.
This means days get shorter during summer-very slowly at first, but at ever-larger daily intervals as the September equinox approaches, heralding the start of fall. Meteorological and other seasons definitions Days Get Shorter During SummerĪstronomical summer begins at the summer solstice, which is the longest day of the year. And, in some countries, the beginning of the seasons is determined by average temperatures rather than fixed dates or astronomical events. Meteorologists use a different method of defining the first day of summer.
Summer Solstice, Southern Hemisphere (December)Īustralia, New Zealand, South America, southern Africa Business Date to Date (exclude holidays).
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