Manhattan New York City Annual Weather
We begin by reviewing average temperature in Manhattan and surrounding areas. The hottest month here is July with an average temperature of 76 degrees. As you may have guessed, January is the coldest month with a winter blizzard weather temperature of a very low 2 degrees. May continues to be the wettest month in New York City with an average of 5 inches of rain. If you plan on visiting the Manhattan area, the four months with the most comfortable weather are September, May, June and October. September has a high temperature of 76 degrees, but cools down to a very comfortable 60 degrees in the evenings. October's weather is even more appealing with an average high of 65 degrees with a low of 49 degrees. May offers a high temperature of 68 and a low of 53 degrees while June heats up just a bit with a high average of 79 degrees and evening temperature of 69 degrees.
The New York City area can get pretty populated so plan and dress accordingly if rain is in the forecast because an umbrella may not be an option with crowded and very windy walkways. With a monthly average of precipitation in the Manhattan area of 3 to 4.5 inches, it is a good idea to pack a raincoat and a pair of rain boots for your daily travel. The beginning of April through the end of August is known as the Wet Season here. You have a 29% to 35% chance of experiencing rain showers during this period. Your chances of getting wet decrease during the drier season which lasts from September to the end of March. One thing to consider is precipitation comes in two forms, snow and rain. Snow can actually be broken down even further in the form of sleet or hail so for this purpose we will simply refer to it as snowfall. Some of the wet days here involve both rain and snow in the same afternoon. This is what makes the weather in Manhattan and the New York City area so interesting. A variation of colder dry snow falls during the colder days while the sun can warm the climate just enough to result a wetter snow. Mid November until the end of May is known here as snow season.
Humidity is based on dew point. A lower dew point feels drier while higher dew points feel what many would consider as miserable. Typically, temperatures lower through the evening hours. However with humidity, a muggy day often results in a muggy night as well. Manhattan is known to be very humid from June to the end of September. August can be very uncomfortable if you are not use to muggy climates. For those looking for the least humid time of year to visit New York City that would be in December.
Snowstorms in Manhattan
The New York City area has on average two snowstorms a year that result in over 5 inches of snow. Only six to eight days a year result in an inch of snow while the remaining snow days are about half of an inch. Keep in mind though this is new snow accumulating on the day prior so snow does get deep in some areas.
From November to May, New York City experiences cloud cover about 53% of the time. June, July, August, September and October do have clear skies, but it is also this time of year that the humidity levels rise.