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Climate

San Salvador has a tropical wet and dry climate under the Köppen climate classification, and enjoys very warm to hot weather all year round, with daily mean temperatures of 27 °C or 80.6 °F. Its average elevation of 658 meters (2,159 feet) causes the city to experience slightly cooler temperatures in the mornings, higher solar radiation, and greater diurnal air temperature variation (particularly during the dry season) than nearby cities at sea level such as Acajutla. Its weather cools from the months of November through February due to seasonal winds of the dry season. During these months one can expect a daily mean of 22.2 °C (72.0 °F). The hottest months of the year are April and May, during the transition from the dry season (November to April), to the rainy season (May to October). In April and May average maximum temperatures reach 32.2 °C (90.0 °F). The highest reading ever recorded was 38.5 °C (101.3 °F), the lowest was 8.2 °C (46.8 °F). The highest dew point was 27 °C (81 °F) and the lowest −10 °C (14 °F). Thunderstorms occur almost daily during the rainy season, mostly in the afternoon and through the night—by morning the sky clears and the days are usually sunny until the afternoon storms.