May weather forecast
New Suffolk, NY

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Weather in May

The last month of the spring, May, is a mild month in New Suffolk, New York, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 52.7°F (11.5°C).

Temperature

May signifies a subtle uplift in the average high-temperature, adjusting from a fresh 50°F (10°C) in April to a moderate 58.6°F (14.8°C). The temperature during May sees a subtle transition from day to night, averaging a low of 52.7°F (11.5°C).

Humidity

May and June, with an average relative humidity of 81%, are the most humid months.

Rainfall

In May, the rain falls for 15.3 days. Throughout May, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 154.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

Snowfall

In New Suffolk, snow does not fall in April through October.

Daylight

The average length of the day in May is 14h and 29min.
On the first day of May, sunrise is at 5:46 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:15 pm EDT.

Sunshine

In New Suffolk, the average sunshine in May is 8.6h.

UV index

In New Suffolk, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 5 during May translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for New Suffolk in May?

The high-temperature, in May, in New Suffolk, records 58.6°F (14.8°C), while the low-temperature is 52.7°F (11.5°C).

What are the most humid months?

The months with the highest humidity are May and June, with an average relative humidity of 81%.

What is the average humidity in May?

The average relative humidity in May is 81%.

How much does it rain in May?

In New Suffolk, during May, the rain falls for 15.3 days and regularly aggregates up to 2.91" (74mm) of precipitation.

When it does not snow?

In New Suffolk, snow does not fall in April through October.

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

The average day length in May in New Suffolk is 14h and 29min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 5:46 am and sunset at 7:47 pm. On the last day of the month, in New Suffolk, sunrise is at 5:20 am and sunset at 8:15 pm EDT.

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

In New Suffolk, the average sunshine duration in May is 8.6h.

What is the UV index intensity in May?

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

Average temperature in May - New Suffolk, NY
  • Average high temperature in May: 58.6°F

The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in May: 52.7°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

Average pressure in May
New Suffolk, NY

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

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
New Suffolk, NY

Average wind speed in May - New Suffolk, NY
  • Average wind speed in May: 12mph

The windiest month (with the highest average wind speed) is January (16mph).
The calmest month (with the lowest average wind speed) is July (10.4mph).

Average humidity in May
New Suffolk, NY

Average humidity in May - New Suffolk, NY
  • Average humidity in May: 81%

The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).

Average rainfall in May
New Suffolk, NY

Average rainfall in May - New Suffolk, NY
  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in May
New Suffolk, NY

Average rainfall days in May - New Suffolk, NY
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in May
New Suffolk, NY

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

The month with the highest snowfall is March (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
New Suffolk, NY

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

The month with the highest number of snowfall days is January (4.2 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
New Suffolk, NY

Average daylight in May / Average sunshine in May - New Suffolk, 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 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in May
New Suffolk, NY

Average sunshine days in May - New Suffolk, NY
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (12.8 days).

Average UV index in May
New Suffolk, NY

Average UV index in May - New Suffolk, 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 and December (UV index 2).

Average cloud cover in May
New Suffolk, NY

Average cloud cover in May - New Suffolk, NY
  • Average cloud cover in May: 43

The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in May
New Suffolk, NY

Average visibility in May - New Suffolk, 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 Suffolk, New York, USA

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