May weather forecast
South Plattsburgh, NY

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Weather in May

May, the last month of the spring in South Plattsburgh, is a comfortable month, with an average temperature ranging between max 65.5°F (18.6°C) and min 46°F (7.8°C).

Temperature

May's onset brings a noticeable temperature rise, soaring from a fresh 50.7°F (10.4°C) in April to an enjoyable 65.5°F (18.6°C). During the month of May, an average temperature of 46°F (7.8°C) is noted during the nights.

Humidity

April and May, with an average relative humidity of 75%, are the least humid months in South Plattsburgh.

Rainfall

In South Plattsburgh, during May, the rain falls for 15.9 days and regularly aggregates up to 2.64" (67mm) of precipitation. In South Plattsburgh, New York, during the entire year, the rain falls for 162.6 days and collects up to 27.6" (701mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in South Plattsburgh. During 0.7 snowfall days, in May, South Plattsburgh aggregates 0.16" (4mm) of snow. Throughout the year, there are 78.2 snowfall days, and 37.13" (943mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 50min.
On the first day of May, sunrise is at 5:42 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:31 pm EDT.

Sunshine

In South Plattsburgh, the average sunshine in May is 8.9h.

UV index

The months with the highest UV index in South Plattsburgh are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 5 suggests these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the usual temperature for South Plattsburgh in May?

In South Plattsburgh, 65.5°F (18.6°C) is the average high-temperature and 46°F (7.8°C) is the average low-temperature during May.

What are the least humid months in South Plattsburgh?

The months with the lowest humidity in South Plattsburgh are April and May, with an average relative humidity of 75%.

What is the average humidity in May in South Plattsburgh?

In May, the average relative humidity is 75%.

How much does it rain in South Plattsburgh in May?

In South Plattsburgh, New York, in May, during 15.9 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

What is the last month it snows in South Plattsburgh?

May is the last month it regularly snows in South Plattsburgh, New York. During 0.7 snowfall days, in May, South Plattsburgh aggregates 0.16" (4mm) of snow.

How many hours of daylight does South Plattsburgh have in May?

In May, the average day length in South Plattsburgh is 14h and 50min.

What time are sunrise and sunset in May in South Plattsburgh?

On the first day of May in South Plattsburgh, New York, sunrise is at 5:42 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:31 pm EDT.

How long on average sun shines in May in South Plattsburgh?

The average sunshine duration in May in South Plattsburgh, New York, is 8.9h.

What are the months with the highest UV index in South Plattsburgh?

The months with the highest UV index in South Plattsburgh, New York, are May through August, with an average maximum UV index of 5.

What is the UV index reading in May in South Plattsburgh?

The average daily maximum UV index in May in South Plattsburgh, New York, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
South Plattsburgh, NY

Average temperature in May - South Plattsburgh, NY
  • Average high temperature in May: 65.5°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (24.8°F).

  • Average low temperature in May: 46°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

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Average pressure in May
South Plattsburgh, NY

Average pressure in May - South Plattsburgh, NY
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
South Plattsburgh, NY

Average wind speed in May - South Plattsburgh, NY
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in May
South Plattsburgh, NY

Average humidity in May - South Plattsburgh, NY
  • Average humidity in May: 75%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).

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Average rainfall in May
South Plattsburgh, NY

Average rainfall in May - South Plattsburgh, NY
  • Average rainfall in May: 2.64"

The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is February (1.73").

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Average rainfall days in May
South Plattsburgh, NY

Average rainfall days in May - South Plattsburgh, NY
  • Average rainfall days in May: 15.9 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in May
South Plattsburgh, NY

Average snowfall in May - South Plattsburgh, NY
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
South Plattsburgh, NY

Average snowfall days in May - South Plattsburgh, NY
  • Average snowfall days in May: 0.7 days

The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
South Plattsburgh, NY

Average daylight in May / Average sunshine in May - South Plattsburgh, NY
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in May
South Plattsburgh, NY

Average sunshine days in May - South Plattsburgh, NY
  • Average sunshine days in May: 12.7 days

The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (8.6 days).

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Average UV index in May
South Plattsburgh, NY

Average UV index in May - South Plattsburgh, NY
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
South Plattsburgh, NY

Average cloud cover in May - South Plattsburgh, NY
  • Average cloud cover in May: 42

The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 31).

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Average visibility in May
South Plattsburgh, NY

Average visibility in May - South Plattsburgh, NY
  • Average visibility in May: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

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South Plattsburgh, New York, USA

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