Melville
New York, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Melville, NY

May, the last month of the spring, in Melville, is a comfortable month, with average temperature fluctuating between 62.6°F (17°C) and 54.5°F (12.5°C).

Temperature

In Melville, the average high-temperature increases, from a cool 53.2°F (11.8°C) in April, to a comfortable 62.6°F (17°C). In May, the average low-temperature is 54.5°F (12.5°C).

Humidity

May is the most humid month, with an average relative humidity of 77%.

Rainfall

In Melville, during 13.3 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Melville, during the entire year, the rain falls for 128.1 days and collects up to 12.56" (319mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, Melville aggregates 0.08" (2mm) of snow. Throughout the year, there are 12 snowfall days, and 1.26" (32mm) of snow is accumulated.

Daylight

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

Sunshine

The average sunshine in May is 9h.

UV index

The average daily maximum UV index in Melville is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in May in Melville?

In May, the average high-temperature is 62.6°F (17°C), and the average low-temperature is 54.5°F (12.5°C).

What is the most humid month in Melville?

May is the most humid month, with an average relative humidity of 77%.

What is the average humidity in May in Melville?

The average relative humidity in May in Melville is 77%.

How much does it rain in Melville in May?

In May, in Melville, the rain falls for 13.3 days. Throughout May, 1.14" (29mm) of precipitation is accumulated.

What is the last month it snows in Melville?

May is the last month it regularly snows in Melville. During 0.1 snowfall days, in May, Melville aggregates 0.08" (2mm) of snow.

What is the average length of the day in May in Melville?

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

How many hours of sunshine does Melville have in May?

In Melville, New York, the average sunshine in May is 9h.

What is the UV index reading in May in Melville?

In Melville, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.
Average temperature in May - Melville, NY
  • Average high temperature in May: 62.6°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in May: 54.5°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average humidity in May - Melville, NY
  • Average humidity in May: 77%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).

Average rainfall in May - Melville, NY
  • Average rainfall in May: 1.14"

The wettest month (with the highest rainfall) is July (1.73").
The driest month (with the lowest rainfall) is February (0.59").

Average rainfall days in May - Melville, NY
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is July (14.1 days).
The month with the lowest number of rainy days is January (5.9 days).

Average snowfall in May - Melville, NY
  • Average snowfall in May: 0.08"

The month with the highest snowfall is March (0.35").
Months with the lowest snowfall are June, July, August, September and October (0").

Average snowfall days in May - Melville, NY
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (3.8 days).
Months with the lowest number of snowfall days are June, July, August, September and October (0 days).

Average daylight in May / Average sunshine in May - Melville, 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: 9h

The month with most sunshine is July (Average sunshine: 10.9h).
The month with least sunshine is February (Average sunshine: 4.8h).

Average UV index in May - Melville, NY
  • Average UV index in May: 5

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