May weather forecast
Glenwillard, PA

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Weather in May

May, the last month of the spring in Glenwillard, is an agreeable month, with an average temperature varying between 72°F (22.2°C) and 50.9°F (10.5°C).

Temperature

Glenwillard sees a rise in temperature during May, with average high-temperatures transitioning from a moderate 60.3°F (15.7°C) in April to an agreeable 72°F (22.2°C). In May, Glenwillard's temperature tends to fall to an average low of 50.9°F (10.5°C) during the night.

Humidity

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

Rainfall

In Glenwillard, during May, the rain falls for 17.5 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Glenwillard, during the entire year, the rain falls for 154.8 days and collects up to 21.22" (539mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Glenwillard aggregates 0.04" (1mm) of snow. In Glenwillard, during the entire year, snow falls for 49.9 days and aggregates up to 10.12" (257mm) of snow.

Daylight

The average length of the day in May is 14h and 28min.
On the first day of May, sunrise is at 6:18 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:45 pm EDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

An average high-temperature, in May, in Glenwillard, is 72°F (22.2°C) and the average low-temperature is 50.9°F (10.5°C).

What is the average humidity in May?

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

How much does it rain in May?

In Glenwillard, in May, it is raining for 17.5 days, with typically 2.24" (57mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Glenwillard aggregates 0.04" (1mm) of snow.

What is the average length of the day in May?

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

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:18 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:45 pm EDT.

How long on average sun shines in May?

In Glenwillard, the average sunshine duration in May is 8.6h.

When is the highest UV index?

May through July, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in May?

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe 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
Glenwillard, PA

Average temperature in May - Glenwillard, PA
  • Average high temperature in May: 72°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in May: 50.9°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in May
Glenwillard, PA

Average pressure in May - Glenwillard, PA
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in May
Glenwillard, PA

Average wind speed in May - Glenwillard, PA
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in May
Glenwillard, PA

Average humidity in May - Glenwillard, PA
  • Average humidity in May: 77%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).

Average rainfall in May
Glenwillard, PA

Average rainfall in May - Glenwillard, PA
  • Average rainfall in May: 2.24"

The wettest month (with the highest rainfall) is July (2.36").
The driest month (with the least rainfall) is January (1.22").

Average rainfall days in May
Glenwillard, PA

Average rainfall days in May - Glenwillard, PA
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in May
Glenwillard, PA

Average snowfall in May - Glenwillard, PA
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Glenwillard, PA

Average snowfall days in May - Glenwillard, PA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Glenwillard, PA

Average daylight in May / Average sunshine in May - Glenwillard, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in May
Glenwillard, PA

Average sunshine days in May - Glenwillard, PA
  • Average sunshine days in May: 11.2 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is February (10.7 days).

Average UV index in May
Glenwillard, PA

Average UV index in May - Glenwillard, PA
  • Average UV index in May: 6

The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Glenwillard, PA

Average cloud cover in May - Glenwillard, PA
  • Average cloud cover in May: 45

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in May
Glenwillard, PA

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

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

Glenwillard, Pennsylvania, USA

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