May weather forecast and climate
McDonough, NY

Weather in May

The last month of the spring, May, is a comfortable month in McDonough, New York, with average temperature varying between 65.5°F (18.6°C) and 44.8°F (7.1°C).

Temperature

In McDonough, the average high-temperature in May rises, from a fresh 52.2°F (11.2°C) in April, to an enjoyable 65.5°F (18.6°C). In McDonough, New York,, the average low-temperature is 44.8°F (7.1°C).

Humidity

April through July, with an average relative humidity of 80%, are the least humid months.

Rainfall

In May, in McDonough, the rain falls for 18 days. Throughout May, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 157.9 rainfall days, and 25.12" (638mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in McDonough, New York. May is the last month it regularly snows in McDonough. During 0.7 snowfall days, McDonough aggregates 0.2" (5mm) of snow. Throughout the year, in McDonough, there are 80.5 snowfall days, and 29.37" (746mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14.6h.

Sunshine

The average sunshine in McDonough is 8h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the least humid month in McDonough?

April through July, with an average relative humidity of 80%, are the least humid months.

What is the average humidity in May in McDonough?

In May, the average relative humidity in McDonough, New York, is 80%.

How many days does it rain in May in McDonough?

In McDonough, in May, it is raining for 18 days, with typically 2.52" (64mm) of accumulated precipitation.

What is the last month it snows in McDonough?

May is the last month it regularly snows in McDonough, New York. During 0.7 snowfall days, in May, McDonough aggregates 0.2" (5mm) of snow.

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

The average length of the day in May in McDonough, New York, is 14.6h.

How long on average sun shines in May in McDonough?

The average sunshine in May in McDonough is 8h.

What is the month with the highest UV index in McDonough?

Months with the highest UV index in McDonough, New York, are May through August, with an average maximum UV index of 5.

How high is the UV index in May in McDonough?

In May, the average daily maximum UV index in McDonough is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in May
McDonough, NY

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

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in May: 44.8°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

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Average pressure in May
McDonough, NY

Average pressure in May - McDonough, NY
  • Average pressure in May: 30"

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in May
McDonough, NY

Average wind speed in May - McDonough, NY
  • Average wind speed in May: 7.6mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in May
McDonough, NY

Average humidity in May - McDonough, NY
  • Average humidity in May: 80%

The month with the highest relative humidity is February (88%).
Months with the lowest relative humidity are April, May, June and July (80%).

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Average rainfall in May
McDonough, NY

Average rainfall in May - McDonough, NY
  • Average rainfall in May: 2.52"

The wettest month (with the highest rainfall) is August (2.6").
The driest month (with the least rainfall) is January (1.65").

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Average rainfall days in May
McDonough, NY

Average rainfall days in May - McDonough, NY
  • Average rainfall days in May: 18 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in May
McDonough, NY

Average snowfall in May - McDonough, NY
  • Average snowfall in May: 0.2"

The month with the highest snowfall is February (5.59").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
McDonough, NY

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

The month with the highest number of snowfall days is January (18 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
McDonough, NY

Average daylight in May / Average sunshine in May - McDonough, NY
  • Average daylight in May: 14.6h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in May: 8h

The month with the most sunshine is July (Average sunshine: 9.8h).
The month with the least sunshine is February (Average sunshine: 2.4h).

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Average sunshine days in May
McDonough, NY

Average sunshine days in May - McDonough, NY
  • Average sunshine days in May: 11.2 days

The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (7.3 days).

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Average UV index in May
McDonough, NY

Average UV index in May - McDonough, 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, February, March, November and December (UV index 1).

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Average cloud cover in May
McDonough, NY

Average cloud cover in May - McDonough, NY
  • Average cloud cover in May: 50

The month with the most cloud cover is February (Cloud cover 76).
Months with the least cloud cover are July and August (Cloud cover 40).

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Average visibility in May
McDonough, NY

Average visibility in May - McDonough, NY
  • Average visibility in May: 5mi

Months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

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