May weather forecast
Glendon, PA

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Weather in May

May, the last month of the spring in Glendon, is a pleasant month, with an average temperature fluctuating between 69.6°F (20.9°C) and 50.2°F (10.1°C).

Temperature

May's arrival coincides with a temperature rise, moving from April's moderate 58.6°F (14.8°C) to an agreeable 69.6°F (20.9°C). Throughout the month of May, Glendon sees a steady low-temperature average of 50.2°F (10.1°C).

Humidity

In Glendon, 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. In Glendon, during the entire year, snow falls for 23.7 days and aggregates up to 13.39" (340mm) of snow.

Daylight

The average length of the day in May 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

In Glendon, the average sunshine in May 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 health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

What is the usual temperature for Glendon in May?

The high-temperature during May is 69.6°F (20.9°C) and the low-temperature is 50.2°F (10.1°C).

What is the average humidity in May?

In May, the average relative humidity is 79%.

How many days does it rain in May?

In Glendon, in May, it is raining for 17.3 days, with typically 3.07" (78mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. 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 Glendon, the average day length in May is 14h and 28min.

What time are sunrise and sunset in May?

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.

How many hours of sunshine does Glendon have in May?

The average sunshine duration in May is 8.4h.

How high is the UV index in May?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Glendon, Pennsylvania, USA

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