May weather forecast
New York, NY

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The sunset view over skyscrapers in New York City, USA
The sunset view over skyscrapers in New York City, USA

Weather in May

May brings warmer weather to New York City, along with blooms signaling an imminent transition to summer. Temperatures rise significantly compared to April, with a peak value of 68°F (20°C). This month typically has clear skies with the sun shining brightly for residents availing summer's start. While rainfall in May slightly increases from April, it does not dampen the brightness and warmth of the city. Moreover, May is full of outdoor events taking advantage of the city's accommodating weather.

Temperature

May's arrival brings a change in high-temperatures, moving from a moderate 57.6°F (14.2°C) in April to a pleasant 68°F (20°C). Throughout May, New York witnesses a consistent average low-temperature of 54.1°F (12.3°C).

Humidity

In New York, the average relative humidity in May is 75%.

Rainfall

In New York, during May, the rain falls for 17.9 days and regularly aggregates up to 3.39" (86mm) of precipitation. In New York, during the entire year, the rain falls for 169 days and collects up to 36.65" (931mm) of precipitation.

Snowfall

In New York, snow does not fall in May through October.

Ocean temperature

In New York, in May, the average water temperature is 52.5°F (11.4°C).
Note: 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.

Daylight

In May, the average length of the day is 14h and 28min.
On the first day of May, sunrise is at 5:53 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:20 pm EDT.

Sunshine

In New York, the average sunshine in May is 8.8h.

UV index

In New York, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, a regular UV index of 5 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

What are the temperatures in May?

In New York, in May, the average high-temperature is 68°F (20°C), and the average low-temperature is 54.1°F (12.3°C).

What is the average humidity in May?

In New York, the average relative humidity in May is 75%.

How much does it rain in May?

In New York, in May, it is raining for 17.9 days, with typically 3.39" (86mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

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

What is the water temperature in May in New York?

In May, the average ocean temperature is 52.5°F (11.4°C). Swimming in 52.5°F (11.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in May?

The average day length in May is 14h and 28min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 5:53 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:20 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.8h.

What is the UV index reading in May?

In New York, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
New York, NY

Average temperature in May - New York, NY
  • Average high temperature in May: 68°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in May
New York, NY

Average pressure in May - New York, NY
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
New York, NY

Average wind speed in May - New York, NY
  • Average wind speed in May: 7.6mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in May
New York, NY

Average humidity in May - New York, NY
  • Average humidity in May: 75%

The months with the highest relative humidity are February and December (76%).
The month with the lowest relative humidity is August (70%).

Average rainfall in May
New York, NY

Average rainfall in May - New York, NY
  • Average rainfall in May: 3.39"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days in May
New York, NY

Average rainfall days in May - New York, NY
  • Average rainfall days in May: 17.9 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in May
New York, NY

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

The month with the highest snowfall is March (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
New York, NY

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 (5.8 days).
The months with the least 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 - 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 / Average sunshine in May - New York, NY
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in May
New York, NY

Average sunshine days in May - New York, NY
  • Average sunshine days in May: 11 days

The month with the most sunshine days is January (17.9 days).
The month with the least sunshine days is June (9.8 days).

Average UV index in May
New York, NY

Average UV index in May - New York, NY
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in May
New York, NY

Average cloud cover in May - New York, NY
  • Average cloud cover in May: 44

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in May
New York, NY

Average visibility in May - New York, NY
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

New York, New York, USA

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