![]() ![]() Occasionally, they can be severe with damaging straight line winds and large hail. These storms are often strong, with frequent lightning and very heavy rain. Miami reports more thunderstorms than most US cities, with about eighty days per year having thunder reported. Typical summer afternoon thunderstorm rolling in from the Everglades. The 2012 USDA map shows the Miami area as hardiness zone 10b or 11a, the warmest in the continental United States. Miami has an average annual rainfall of 61.9 inches (1,570 mm), whereas nearby Fort Lauderdale and Miami Beach receive 66.5 inches (1,690 mm) and 51.7 inches (1,310 mm), respectively, which demonstrates the high local variability in rainfall rates. Most of this rainfall occurs from mid-May through early October. Miami receives abundant rainfall, one of the highest among major cities in the United States. A record setting 12-day cold snap in January 2010 was the coldest period since at least the 1940s. ![]() An official Weather Bureau Office opened in Miami in June 1911. A cooperative temperature and rainfall recording site was established in December 1900 in what is now Downtown Miami. Weather conditions for the area around Miami were recorded sporadically from 1839 until 1900, with many years-long gaps. While Miami has never officially recorded any accumulating snowfall since records have been kept, there were non-accumulating snow flurries in some parts of the city on Januduring the cold wave of January 1977. The highest daily minimum temperature is 84 ☏ (29 ☌) on Augand Septem(although the corresponding record for Miami Beach is 90 ☏ or 32 ☌ on July 17, 2001), and conversely, the lowest daily maximum temperature is 45 ☏ (7 ☌) on February 19, 1900. Much of the year's 61.9 inches (1,570 mm) of rainfall occurs during this period.Įxtreme temperatures range from 27 F on February 3, 1917, to 100 ☏ on July 21, 1942, (−2.8 to 38 ☌), the only triple-digit (☏) reading on record the more recent freezing temperature seen at Miami International Airport was on December 25, 1989. During this period, temperatures are in the mid 80s to low 90s (29–35 ☌), accompanied by high humidity, though the heat is often relieved by afternoon thunderstorms or a sea breeze that develops off the Atlantic Ocean, which then allow lower temperatures, but conditions still remain very muggy. The wet season usually begins during the month of May and continues through mid-October. Highs generally reach 70 ☏ (21 ☌) or higher, and fail to do so on only an average of 12 days annually. ![]() Lows sometimes fall to or below 50 ☏ (10 ☌), with an average 3 such occurrences annually, but rarely 40 ☏ (4 ☌) from 1981 to 2010, temperatures reached that level in only eight calendar years. With January averaging 69.2 ☏ (20.7 ☌), winter features warm temperatures cool air usually settles after the passage of a cold front, which produces much of the little amount of rainfall. Its sea-level elevation, coastal location, position just above the Tropic of Cancer, and proximity to the Gulf Stream shape its climate. The climate of Miami is classified as having a tropical monsoon climate with hot and humid summers short, warm winters and a marked drier season in the winter. This climate type has a hot and wet season at the time of high sun (summer), and a warm, dry season at the time of low sun (winter). Overview of the climate of Miami South Florida has a tropical climate, according to the Köppen climate classification. ![]()
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