In the eastern part of the country it rains more than in the west. There are three temperature zones in Nicaragua. In the lowlands (Pacific and Atlantic coast) temperatures vary roughly between 72Â° F at night and 86Â° F at daytime (22Â° C - 30Â° C). Temperature can reach 100Â° F in May (38Â° C).
Dark circles, or bags under your eyes, have many causes. These include: 1  Increased melanin (also called hyperpigmentation) also post-inflammatory hyperpigmentation due to allergies ('allergic shiners'). 2  Fat loss beneath the eye or shadowing due to skin laxity. 3  Broken blood vessels.
Best Answer: Common Causes of Dark Circles Under Eyes. Thinning skin. The skin under the eyes is thin and delicate to begin with. As we age, skin and the fat pad under the eyes becomes thinner, causing blood vessels to become noticeable. This gives the appearance of dark circles. Sun damage can make it worse because it weakens skin.