May weather forecast and climate
New York, NY

The sunset view over New York city skyscrapers in New York, with the dramatic night sky
The sunset view over New York city skyscrapers in New York, with the dramatic night sky
May is a lovely month, with an average humidity of 63%; The temperatures are mildly warm but not hot, and within the range of 53.6°F (12°C) and 69.8°F (21°C). This makes it a good time for visits to the parks to enjoy the lovely sceneries. With flowers in full bloom, New York looks like a beautiful flower garden. Incoming tourists increase mostly since winter is gone and the temperatures keep getting warmer.
Expect afternoon showers of rain for an average of eleven days with the rain gauge fetching a high 4.5" (114.3mm). This is the highest rain all year and may be accompanied by thunderstorms and flash floods - hence, precaution is advised.
May is the wettest month but still witnesses an increase in sunshine hours to nine per day, making it a warmer than the previous months.
The ocean temperature rises steadily to 53.6°F (12°C), and small crowds on the beaches are noted. Swimming in the cold water followed by basking in the warm sun is plausible.

What is the temperature in May in New York?

The average high-temperature, in May, in New York, New York, is 70.9°F (21.6°C), while the average low-temperature is 54°F (12.2°C).

What is the average humidity in May in New York?

In May, the average relative humidity in New York is 62.7%.

How many days does it rain in May in New York?

In New York, New York, in May, during 11.1 rainfall days, 4.2" (106.4mm) of precipitation is typically accumulated.

Does it snow in New York in May?

In May, it doesn't snow. April is the latest month when it typically snows.

What is the ocean temperature in May in New York?

In New York, in May, the average water temperature is 52.5°F (11.4°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does New York have in May?

The average length of the day in May in New York is 14.5h.

How long on average sun shines in May in New York?

The average sunshine in May is 8.3h.

What is the UV index reading in May in New York?

In New York, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
Average temperature in May - New York, NY
  • Average high temperature in May: 70.8°F

The warmest month (with the highest average high temperature) is July (84.1°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in May: 54°F

The month with the highest average low temperature is July (68.8°F).
The coldest month (with the lowest average low temperature) is January (26.9°F).

Average humidity in May - New York, NY
  • Average humidity in May: 62.7%

The month with the highest relative humidity is September (67.8%).
The month with the lowest relative humidity is April (55.3%).

Average rainfall in May - New York, NY
  • Average rainfall in May: 4.2"

The wettest month (with the highest rainfall) is July (4.6").
The driest month (with the lowest rainfall) is February (3.1").

Average rainfall days in May - New York, NY
  • Average rainfall days in May: 11.1 days

The month with the highest number of rainy days is April (11.5 days).
The month with the lowest number of rainy days is September (8.7 days).

Average snowfall in May - New York, NY
  • Average snowfall in May: 0"

The month with the highest snowfall is February (9.2").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in May - New York, NY
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in May - New York, NY
  • Average sea temperature in May: 52.5°F

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

Average daylight in May / Average sunshine in May - New York, NY
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 8.3h

Months with most sunshine are July and August (Average sunshine: 8.7h).
The month with least sunshine is December (Average sunshine: 4.5h).

Average UV index in May - New York, NY
  • Average UV index in May: 7

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 1).

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