May weather forecast
Lake Success, NY

Share

Weather in May

The last month of the spring, May, is a comfortable month in Lake Success, New York, with temperature in the range of an average low of 54.3°F (12.4°C) and an average high of 65.8°F (18.8°C).

Temperature

May's onset brings a rise in the average high-temperature, moving from 55.9°F (13.3°C) in April to a still refreshing 65.8°F (18.8°C). Throughout May, Lake Success's nights cool down to an average of 54.3°F (12.4°C).

Humidity

February, May and December, with an average relative humidity of 75%, are the most humid months.

Rainfall

In Lake Success, in May, it is raining for 16.7 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, in Lake Success, there are 155.6 rainfall days, and 34.72" (882mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in May is 14h and 28min.
On the first day of the month, sunrise is at 5:52 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:25 am and sunset at 8:19 pm EDT.

Sunshine

The average sunshine in May in Lake Success is 8.9h.

UV index

The average daily maximum UV index in May in Lake Success is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 during May translates into the following directions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Lake Success?

In Lake Success, in May, the average high-temperature is 65.8°F (18.8°C), and the average low-temperature is 54.3°F (12.4°C).

What are the most humid months in Lake Success?

The months with the highest humidity in Lake Success are February, May and December, with an average relative humidity of 75%.

What is the average humidity in May in Lake Success?

In Lake Success, the average relative humidity in May is 75%.

How many days does it rain in May in Lake Success?

In May, in Lake Success, New York, the rain falls for 16.7 days. Throughout May, 3.07" (78mm) of precipitation is accumulated.

When it does not snow in Lake Success?

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

Does it snow in Lake Success in May?

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

How many hours of daylight does Lake Success have in May?

In May, the average day length in Lake Success, New York, is 14h and 28min.

When is the sunrise / sunset in May in Lake Success?

On the first day of May in Lake Success, New York, sunrise is at 5:52 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:19 pm EDT.

How many hours of sunshine does Lake Success have in May?

In May, the average sunshine duration in Lake Success is 8.9h.

What is the UV index reading in May in Lake Success?

In Lake Success, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
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
Lake Success, NY

Average temperature in May - Lake Success, NY
  • Average high temperature in May: 65.8°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in May: 54.3°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in May
Lake Success, NY

Average pressure in May - Lake Success, 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
Lake Success, NY

Average wind speed in May - Lake Success, NY
  • Average wind speed in May: 8.3mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in May
Lake Success, NY

Average humidity in May - Lake Success, NY
  • Average humidity in May: 75%

The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).

Average rainfall in May
Lake Success, NY

Average rainfall in May - Lake Success, NY
  • Average rainfall in May: 3.07"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in May
Lake Success, NY

Average rainfall days in May - Lake Success, NY
  • Average rainfall days in May: 16.7 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in May
Lake Success, NY

Average snowfall in May - Lake Success, NY
  • Average snowfall in May: 0"

The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Lake Success, NY

Average snowfall days in May - Lake Success, NY
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Lake Success, NY

Average daylight in May / Average sunshine in May - Lake Success, NY
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in May
Lake Success, NY

Average sunshine days in May - Lake Success, NY
  • Average sunshine days in May: 13.3 days

The months with the most sunshine days are January and November (19.7 days).
The month with the least sunshine days is July (11 days).

Average UV index in May
Lake Success, NY

Average UV index in May - Lake Success, 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
Lake Success, NY

Average cloud cover in May - Lake Success, NY
  • Average cloud cover in May: 42

The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in May
Lake Success, NY

Average visibility in May - Lake Success, 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).

Lake Success, New York, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location