Panama's climate is pleasantly tropical, and temperatures are practically uniform the year around, from 73 to 83 degrees fahrenheit in costal areas.
Nights are generally cool.
In the highlands, temperatures range from 52 to 65 degrees fahrenheit. There are two seasons rainy and dry. The rainy season begins in April and ends in December. During the rainy season you can expect a shower about once a day with an occasional all day rain. Panama averages 65 inches of rain annually in the Pacific area and 120 inches on the Atlantic side of the isthmus.