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ClimateAlthough located at about the same latitude as the much warmer European cities of Naples and Madrid, New York has a humid continental climate (Köppen classification Dfa) resulting from prevailing wind patterns that bring cool air from the interior of the North American continent. The city's coastal position keeps temperatures relatively warmer than inland regions during winter, helping to moderate the amount of snow which averages 25 to 35 inches (63.5 to 88.9 cm) each year. New York City has a frost-free period lasting an average of 220 days between seasonal freezes. Spring and Fall in New York City are mild, while summer is very warm and humid, with temperatures of 90°F (32°C) or higher recorded on average 18 to 25 days each summer. The city's longterm climate patterns have been affected by the Atlantic Multidecadal Oscillation, a 70-year-long warming and cooling cycle in the Atlantic that influences the frequency and severity of hurricanes and coastal storms in the region. Many scientists believe, however, that global warming will change this pattern.[This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article http://en.wikipedia.org/wiki/New_York_City. |
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