May weather forecast and climate
Marcy, NY

May, the last month of the spring, in Marcy, is an enjoyable month, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 65.3°F (18.5°C).

Temperature

In May, the average high-temperature rises, from a cool 51.3°F (10.7°C) in April, to an enjoyable 65.3°F (18.5°C). In Marcy, New York, the average low-temperature is 45.9°F (7.7°C).

Humidity

Months with the lowest humidity in Marcy are April and May, with an average relative humidity of 78%.

Rainfall

In Marcy, during May, the rain falls for 18.1 days and regularly aggregates up to 3.74" (95mm) of precipitation. In Marcy, during the entire year, the rain falls for 175.3 days and collects up to 38.9" (988mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, Marcy aggregates 0.12" (3mm) of snow. Throughout the year, there are 90 snowfall days, and 47.6" (1209mm) of snow is accumulated.

Daylight

The average length of the day in Marcy is 14.7h.

Sunshine

In Marcy, the average sunshine is 8.4h.

UV index

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. 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 Marcy?

The average high-temperature, in May, is 65.3°F (18.5°C), while the average low-temperature is 45.9°F (7.7°C).

What are the least humid months in Marcy?

April and May, with an average relative humidity of 78%, are the least humid months in Marcy.

What is the average humidity in May in Marcy?

In May, the average relative humidity in Marcy is 78%.

How many days does it rain in May in Marcy?

In Marcy, New York, in May, during 18.1 rainfall days, 3.74" (95mm) of precipitation is typically accumulated.

What is the last month it snows in Marcy?

May is the last month it regularly snows. During 0.8 snowfall days, in May, Marcy aggregates 0.12" (3mm) of snow.

How many hours of daylight does Marcy have in May?

In Marcy, New York, the average length of the day in May is 14.7h.

How many hours of sunshine does Marcy have in May?

In Marcy, the average sunshine in May is 8.4h.

How high is the UV index in May in Marcy?

The average daily maximum UV index in May in Marcy, New York, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in May - Marcy, NY
  • Average high temperature in May: 18.5°C

The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is January (-3.1°C).

  • Average low temperature in May: 7.7°C

The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is January (-9.4°C).

Average pressure in May - Marcy, NY
  • Average pressure in May: 1015.4mbar

The month with the highest atmospheric pressure is November (1019mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).

Average wind speed in May - Marcy, NY
  • Average wind speed in May: 12km/h

The windiest month (with the highest average wind speed) is January (15.6km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).

Average humidity in May - Marcy, NY
  • Average humidity in May: 78%

Months with the highest relative humidity are January and February (88%).
Months with the lowest relative humidity are April and May (78%).

Average rainfall in May - Marcy, NY
  • Average rainfall in May: 95mm

The wettest month (with the highest rainfall) is April (97mm).
The driest month (with the least rainfall) is September (66mm).

Average rainfall days in May - Marcy, NY
  • Average rainfall days in May: 18.1 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (8.2 days).

Average snowfall in May - Marcy, NY
  • Average snowfall in May: 3mm

The month with the highest snowfall is January (285mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May - Marcy, NY
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is January (20.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Marcy, NY
  • Average daylight in May: 14.7h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in May: 8.4h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 2.4h).

Average sunshine days in May - Marcy, NY
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is February (4.4 days).

Average UV index in May - Marcy, NY
  • Average UV index in May: 4

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in May - Marcy, NY
  • Average cloud cover in May: 46

The month with the most cloud cover is February (Cloud cover 75).
Months with the least cloud cover are July and August (Cloud cover 36).

Average visibility in May - Marcy, NY
  • Average visibility in May: 8km

Months with the highest visibility are March, April, May, June, July, August, September, October, November and December (8km).
Months with the lowest visibility are January and February (7km).