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6 years ago

"Why Does it Rain in Costa Rica?"

6 years ago
"While the micro-climates are incredibly complex and difficult to predict in a general manner overall rainfall in Costa Rica follows a predictable pattern and it’s fairly well understood.

From May through September the tilt of the earth creates long, warm summer days in North America and brings the sun directly overhead in Costa Rica.

Where the sun shines straight down it heats more, warm air picks up moisture near the surface, then rises and expands. 

Expansion cools the air forcing the water out, first as tiny droplets that form clouds, then as the droplets combine into drops, rainfall.

From May through August the area of greatest heating and convective rainfall is north of the equator, over Costa Rica creating the rainy season.

The rainy season in Costa Rica corresponds with this period of increased heating during the northern hemisphere summer (Ticos call these months winter). 

By November the earth has realigned and the sun shines directly overhead somewhere south of the equator, moving the band of intense rainfall with it.  This marks the beginning of Costa Rica’s dry season."

source: http://costa-rica-guide.com/travel/weather/why-does-it-rain/#veranillo

Pura Vida!

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