May weather forecast
South Cairo, NY

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Weather in May

The last month of the spring, May, is an enjoyable month in South Cairo, New York, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 66.9°F (19.4°C).

Temperature

As May arrives, South Cairo's weather shows an increase in high-temperatures, moving from April's fresh 54.1°F (12.3°C) to a comfortable 66.9°F (19.4°C). An average nighttime temperature of 46.9°F (8.3°C) is noted in South Cairo during the month of May.

Humidity

In South Cairo, New York, the average relative humidity in May is 77%.

Rainfall

In South Cairo, New York, in May, during 18 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In South Cairo, New York, during the entire year, the rain falls for 174.8 days and collects up to 33.46" (850mm) of precipitation.

Snowfall

Months with snowfall in South Cairo, New York, are January through May, October through December. May is the last month it regularly snows in South Cairo, New York. During 0.7 snowfall days, in May, South Cairo aggregates 0.71" (18mm) of snow. Throughout the year, in South Cairo, there are 70.1 snowfall days, and 51.18" (1300mm) of snow is accumulated.

Daylight

In South Cairo, the average length of the day in May is 14h and 37min.
On the first day of the month, sunrise is at 5:50 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:21 am and sunset at 8:25 pm EDT.

Sunshine

In South Cairo, the average sunshine in May is 8.8h.

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 medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 5 during May translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. When the Sun is at its strongest around midday, find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What are May temperatures in South Cairo?

In May, the average high-temperature and low-temperature in South Cairo are 66.9°F (19.4°C) and 46.9°F (8.3°C) respectively.

What is the average humidity in May in South Cairo?

In May, the average relative humidity in South Cairo is 77%.

How much does it rain in South Cairo in May?

In May, the rain falls for 18 days. Throughout May, 3.31" (84mm) of precipitation is accumulated.

What is the last month it snows in South Cairo?

May is the last month it regularly snows in South Cairo. During 0.7 snowfall days, in May, South Cairo aggregates 0.71" (18mm) of snow.

What is the average length of the day in May in South Cairo?

In May, the average day length is 14h and 37min.

When is the sunrise / sunset in May in South Cairo?

On the first day of May, sunrise is at 5:50 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:25 pm EDT.

How many hours of sunshine does South Cairo have in May?

In South Cairo, New York, the average sunshine duration in May is 8.8h.

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

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

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

The average daily maximum UV index in May in South Cairo, New York, is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
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 Cairo, NY

Average temperature in May - South Cairo, NY
  • Average high temperature in May: 66.9°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in May: 46.9°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in May
South Cairo, NY

Average pressure in May - South Cairo, NY
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
South Cairo, NY

Average wind speed in May - South Cairo, NY
  • Average wind speed in May: 5.9mph

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in May
South Cairo, NY

Average humidity in May - South Cairo, NY
  • Average humidity in May: 77%

The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April, June and July (76%).

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Average rainfall in May
South Cairo, NY

Average rainfall in May - South Cairo, NY
  • Average rainfall in May: 3.31"

The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in May
South Cairo, NY

Average rainfall days in May - South Cairo, NY
  • Average rainfall days in May: 18 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (10 days).

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Average snowfall in May
South Cairo, NY

Average snowfall in May - South Cairo, NY
  • Average snowfall in May: 0.71"

The month with the highest snowfall is February (11.02").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
South Cairo, NY

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

The month with the highest number of snowfall days is February (15.8 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 Cairo, NY

Average daylight in May / Average sunshine in May - South Cairo, NY
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in May
South Cairo, NY

Average sunshine days in May - South Cairo, NY
  • Average sunshine days in May: 9.9 days

The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is April (9.8 days).

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Average UV index in May
South Cairo, NY

Average UV index in May - South Cairo, 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, February, March, October, November and December (UV index 2).

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Average cloud cover in May
South Cairo, NY

Average cloud cover in May - South Cairo, NY
  • Average cloud cover in May: 45

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in May
South Cairo, NY

Average visibility in May - South Cairo, NY
  • Average visibility in May: 5mi

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

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South Cairo, New York, USA

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