May weather forecast
Glendon, PA

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Weather in May

May, the last month of the spring in Glendon, is an agreeable month, with temperature in the range of an average high of 69.6°F (20.9°C) and an average low of 50.2°F (10.1°C).

Temperature

With the onset of May, Glendon sees a temperature rise, with the average high-temperature moving from April's refreshing 58.6°F (14.8°C) to a pleasant 69.6°F (20.9°C). During May, Glendon experiences a consistent low-temperature average of 50.2°F (10.1°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

In Glendon, in May, during 17.3 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. Throughout the year, there are 156.5 rainfall days, and 31.97" (812mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Glendon aggregates 0.2" (5mm) of snow. Throughout the year, there are 23.7 snowfall days, and 13.39" (340mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 28min.
On the first day of May, sunrise is at 5:58 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:25 pm EDT.

Sunshine

The average sunshine in May in Glendon is 8.4h.

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 5 in May translates into these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

What is the temperature in May in Glendon?

May temperatures vary between a high-temperature of 69.6°F (20.9°C) and a low-temperature of 50.2°F (10.1°C).

What is the average humidity in May in Glendon?

In Glendon, Pennsylvania, the average relative humidity in May is 79%.

How many days does it rain in May in Glendon?

In May, the rain falls for 17.3 days. Throughout May, 3.07" (78mm) of precipitation is accumulated.

What is the last month it snows in Glendon?

May is the last month it regularly snows in Glendon. During 0.1 snowfall days, in May, Glendon aggregates 0.2" (5mm) of snow.

How many hours of daylight does Glendon have in May?

In May, the average day length is 14h and 28min.

When is the sunrise / sunset in May in Glendon?

On the first day of May in Glendon, Pennsylvania, sunrise is at 5:58 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:25 pm EDT.

How long on average sun shines in May in Glendon?

The average sunshine duration in May in Glendon, Pennsylvania, is 8.4h.

What is the UV index reading in May in Glendon?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Glendon, PA

Average temperature in May - Glendon, PA
  • Average high temperature in May: 69.6°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in May: 50.2°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in May
Glendon, PA

Average pressure in May - Glendon, PA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Glendon, PA

Average wind speed in May - Glendon, PA
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in May
Glendon, PA

Average humidity in May - Glendon, PA
  • Average humidity in May: 79%

The months with the highest relative humidity are February, October and December (81%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall in May
Glendon, PA

Average rainfall in May - Glendon, PA
  • Average rainfall in May: 3.07"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in May
Glendon, PA

Average rainfall days in May - Glendon, PA
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in May
Glendon, PA

Average snowfall in May - Glendon, PA
  • Average snowfall in May: 0.2"

The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Glendon, PA

Average snowfall days in May - Glendon, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (6.8 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
Glendon, PA

Average daylight in May / Average sunshine in May - Glendon, PA
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in May
Glendon, PA

Average sunshine days in May - Glendon, PA
  • Average sunshine days in May: 11.9 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in May
Glendon, PA

Average UV index in May - Glendon, PA
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in May
Glendon, PA

Average cloud cover in May - Glendon, PA
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in May
Glendon, PA

Average visibility in May - Glendon, PA
  • Average visibility in May: 5mi

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

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Glendon, Pennsylvania, USA

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