May weather forecast
Stony Run, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Stony Run, Pennsylvania, with an average temperature ranging between min 50.9°F (10.5°C) and max 69.4°F (20.8°C).

Temperature

May comes with an increase, with the average high-temperature moving from a refreshing 59°F (15°C) in April to a pleasant 69.4°F (20.8°C). Stony Run's average low-temperature in the month of May is recorded at a cool 50.9°F (10.5°C).

Humidity

In Stony Run, the average relative humidity in May is 80%.

Rainfall

In Stony Run, during May, the rain falls for 17.2 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Stony Run, during the entire year, the rain falls for 147.9 days and collects up to 25.94" (659mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In May, the average length of the day is 14h and 28min.
On the first day of the month, sunrise is at 6:00 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:27 pm EDT.

Sunshine

The average sunshine in May is 8.2h.

UV index

In Stony Run, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What is the usual temperature for Stony Run in May?

An average high-temperature, in May, in Stony Run, is 69.4°F (20.8°C) and the average low-temperature is 50.9°F (10.5°C).

What is the average humidity in May?

The average relative humidity in May in Stony Run is 80%.

How much does it rain in May?

In Stony Run, during May, the rain falls for 17.2 days and regularly aggregates up to 2.56" (65mm) of precipitation.

When it does not snow?

In Stony Run, snow does not fall in May through September.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May?

The average day length in May is 14h and 28min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:00 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:27 pm EDT.

How many hours of sunshine does Stony Run have in May?

In Stony Run, the average sunshine duration in May is 8.2h.

What is the UV index intensity in May in Stony Run?

In Stony Run, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Stony Run, PA

Average temperature in May - Stony Run, PA
  • Average high temperature in May: 69.4°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 (34.3°F).

  • Average low temperature in May: 50.9°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 (21.9°F).

Average pressure in May
Stony Run, PA

Average pressure in May - Stony Run, 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
Stony Run, PA

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

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in May
Stony Run, PA

Average humidity in May - Stony Run, PA
  • Average humidity in May: 80%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).

Average rainfall in May
Stony Run, PA

Average rainfall in May - Stony Run, PA
  • Average rainfall in May: 2.56"

The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in May
Stony Run, PA

Average rainfall days in May - Stony Run, PA
  • Average rainfall days in May: 17.2 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in May
Stony Run, PA

Average snowfall in May - Stony Run, PA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Stony Run, PA

Average snowfall days in May - Stony Run, PA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Stony Run, PA

Average daylight in May / Average sunshine in May - Stony Run, 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 1min

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
Stony Run, PA

Average sunshine days in May - Stony Run, PA
  • Average sunshine days in May: 11 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11 days).

Average UV index in May
Stony Run, PA

Average UV index in May - Stony Run, 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
Stony Run, PA

Average cloud cover in May - Stony Run, PA
  • Average cloud cover in May: 49

The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
Stony Run, PA

Average visibility in May - Stony Run, PA
  • Average visibility in May: 5mi

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

Stony Run, Pennsylvania, USA

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