May weather forecast and climate
Plattsburgh, NY

A sunny and dry day in the townscape of Plattsburgh, New York, with a view of the iconic tower next to the river, dry trees, and a hilly landscape view
A sunny and dry day in the townscape of Plattsburgh, New York, with a view of the iconic tower next to the river, dry trees, and a hilly landscape view

Weather in May

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

Temperature

In May, the average high-temperature increases considerably, from a cool 50.7°F (10.4°C) in April, to a comfortable 65.5°F (18.6°C). The average low-temperature, in May, is 46°F (7.8°C).

Humidity

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

Rainfall

In Plattsburgh, New York, it is raining for 15.9 days, with typically 2.64" (67mm) of accumulated precipitation. In Plattsburgh, during the entire year, the rain falls for 162.6 days and collects up to 27.6" (701mm) of precipitation.

Snowfall

Months with snowfall in Plattsburgh are January through May, October through December. May is the last month it regularly snows. During 0.7 snowfall days, 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 Plattsburgh, the average length of the day is 14.8h.

Sunshine

The average sunshine in May is 8.9h.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for average 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in Plattsburgh?

The average high-temperature, in May, is 65.5°F (18.6°C), while the average low-temperature is 46°F (7.8°C).

What is the least humid month in Plattsburgh?

Months with the lowest humidity in Plattsburgh, New York, are April and May, with an average relative humidity of 75%.

What is the average humidity in May in Plattsburgh?

In May, the average relative humidity is 75%.

How many days does it rain in May in Plattsburgh?

In Plattsburgh, during May, the rain falls for 15.9 days and regularly aggregates up to 2.64" (67mm) of precipitation.

What is the last month it snows in Plattsburgh?

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

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

The average length of the day in May in Plattsburgh, New York, is 14.8h.

How many hours of sunshine does Plattsburgh have in May?

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

When is the highest UV index in Plattsburgh?

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

How high is the UV index in May in Plattsburgh?

The average daily maximum UV index in May in Plattsburgh, New York, is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in May
Plattsburgh, NY

Average temperature in May - 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
Plattsburgh, NY

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

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

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Average wind speed in May
Plattsburgh, NY

Average wind speed in May - 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
Plattsburgh, NY

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

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

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Average rainfall in May
Plattsburgh, NY

Average rainfall in May - 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
Plattsburgh, NY

Average rainfall days in May - 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
Plattsburgh, NY

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

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

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Average snowfall days in May
Plattsburgh, NY

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

The month with the highest number of snowfall days is January (19.3 days).
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
Plattsburgh, NY

Average daylight in May / Average sunshine in May - Plattsburgh, NY
  • Average daylight in May: 14.8h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in May: 8.9h

The month with the most sunshine is August (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 3.6h).

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Average sunshine days in May
Plattsburgh, NY

Average sunshine days in May - 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
Plattsburgh, NY

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

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

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Average cloud cover in May
Plattsburgh, NY

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

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

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Average visibility in May
Plattsburgh, NY

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

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

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