There are three temperature zones in Nicaragua. In the lowlands (Pacific and Atlantic coast) temperatures vary roughly between 72° F at night and 86° F at daytime (22° C - 30° C). Temperature can reach 100° F in May (38° C). The central part of the country is about 9° F (5° C) cooler, and in the mountains in the north it's about 18° F (10° C) cooler.