This report describes the typical weather at the New York City (New York, United States) weather station over the course of an average year. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
New York, New York has a humid continental climate with hot summers and no dry season. The area within 25 mi of this station is covered by built-up areas (48%), oceans and seas (22%), forests (16%), grasslands (7%), and lakes and rivers (5%).
Over the course of a year, the temperature typically varies from 24Â°F to 82Â°F and is rarely below 10Â°F or above 90Â°F.
The warm season lasts from June 4 to September 15 with an average daily high temperature above 73Â°F. The hottest day of the year is July 25, with an average high of 82Â°F and low of 67Â°F.
The cold season lasts from December 5 to March 13 with an average daily high temperature below 46Â°F. The coldest day of the year is January 20, with an average low of 24Â°F and high of 38Â°F.
The length of the day varies significantly over the course of the year. The shortest day is December 21 with 9:14 hours of daylight; the longest day is June 20 with 15:06 hours of daylight.
The earliest sunrise is at 5:23am on June 14 and the latest sunset is at 8:32pm on June 27. The latest sunrise is at 7:29am on November 3 and the earliest sunset is at 4:28pm on December 7.
Daylight savings time (DST) is observed in this location during 2012, starting in the spring on March 11 and ending in the fall on November 4.
The median cloud cover ranges from 68% (partly cloudy) to 82% (mostly cloudy). The sky is cloudiest on April 27 and clearest on October 4. The clearer part of the year begins around August 8. The cloudier part of the year begins around November 25.
On October 4, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 46% of the time, and overcast or mostly cloudy 45% of the time.
On April 27, the cloudiest day of the year, the sky is overcast, mostly cloudy, or partly cloudy 65% of the time, and clear or mostly clear 30% of the time.
The probability that precipitation will be observed at this location varies throughout the year. Precipitation is most likely around April 6, occurring in 49% of days. Precipitation is least likely around September 17, occurring in 37% of days.
Over the entire year, the most common forms of precipitation are light rain, moderate rain, and light snow.
Light rain is the most severe precipitation observed during 39% of those days with precipitation. It is most likely around April 27, when it is observed during 22% of all days.
Moderate rain is the most severe precipitation observed during 24% of those days with precipitation. It is most likely around April 25, when it is observed during 14% of all days.
Light snow is the most severe precipitation observed during 12% of those days with precipitation. It is most likely around February 2, when it is observed during 17% of all days.
During the warm season, which lasts from June 4 to September 15, there is a 39% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of light rain (43% of days with precipitation have at worst light rain), moderate rain (26%), thunderstorms (15%), and heavy rain (10%).
During the cold season, which lasts from December 5 to March 13, there is a 46% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of light snow (31% of days with precipitation have at worst light snow), light rain (25%), moderate rain (18%), and moderate snow (12%).
The likelihood of snow falling is highest around February 5, occurring in 27% of days. The season in which it is relatively likely for snow to fall spans from November 25 to April 6.
Either snow rarely accumulates at this location or snow depth measurements are unavailable or unreliable.
The relative humidity typically ranges from 44% (comfortable) to 91% (very humid) over the course of the year, rarely dropping below 22% (dry) and reaching as high as 100% (very humid).
The air is driest around April 15, at which time the relative humidity drops below 56% (mildly humid) three days out of four; it is most humid around August 6, exceeding 87% (very humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a year, the dew point typically varies from 11Â°F (dry) to 68Â°F (muggy) and is rarely below -6Â°F (dry) or above 74Â°F (very muggy).
There are two periods in the year that are most comfortable: The first is between May 7 and July 2 and the second is between August 26 and October 20. The air feels neither too dry nor too muggy during these periods.
Over the course of the year typical wind speeds vary from 0 mph to 17 mph (calm to moderate breeze), rarely exceeding 25 mph (strong breeze).
The highest average wind speed of 10 mph (gentle breeze) occurs around March 3, at which time the average daily maximum wind speed is 17 mph (moderate breeze).
The lowest average wind speed of 7 mph (light breeze) occurs around August 7, at which time the average daily maximum wind speed is 12 mph (gentle breeze).