It is my (barely informed) understanding that summer is caused primarily by the larger amount of sunlight hitting that hemisphere during the season. So why is it that (in the northern hemisphere) July and August are so often hotter than June (I know it’s not always the case but usually).
Also why wouldn’t May, getting just as much direct sunlight per day as July, be as hot on average as July? Why is August even hot when the end of the month is getting close to the equinox?
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During summer, over months of sun exposure, the dirt and water literally get hotter. Air temperature is a balance of absorption and emission of heat of the surface. Then during winter the balance leans toward cooler. There’s more emission than absorption because there’s less daily sun, so by the end of winter temperatures are at their coldest.
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