May weather forecast
Murrysville, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Murrysville, Pennsylvania, with an average temperature fluctuating between 51.1°F (10.6°C) and 71.8°F (22.1°C).

Temperature

May's onset brings a temperature rise, moving from a refreshing 60.1°F (15.6°C) in April to a pleasant 71.8°F (22.1°C). Throughout May nights, Murrysville registers an average low-temperature of 51.1°F (10.6°C).

Humidity

In Murrysville, the average relative humidity in May is 78%.

Rainfall

The month with the most rainfall in Murrysville is May, when the rain falls for 18.2 days and typically aggregates up to 2.56" (65mm) of precipitation.

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, Murrysville aggregates 0.04" (1mm) of snow. In Murrysville, Pennsylvania, during the entire year, snow falls for 35.4 days and aggregates up to 10.35" (263mm) of snow.

Daylight

In Murrysville, the average length of the day in May is 14h and 26min.
On the first day of the month, sunrise is at 6:16 am and sunset at 8:14 pm. On the last day of May, sunrise is at 5:50 am and sunset at 8:42 pm EDT.

Sunshine

In May, the average sunshine is 8.8h.

UV index

In Murrysville, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 5 during May translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In May, in Murrysville, the average high-temperature is 71.8°F (22.1°C), and the average low-temperature is 51.1°F (10.6°C).

What is the average humidity in May?

In Murrysville, Pennsylvania, the average relative humidity in May is 78%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 18.2 days and typically aggregates up to 2.56" (65mm) of precipitation.

How much does it rain in May?

In May, the rain falls for 18.2 days. Throughout May, 2.56" (65mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Murrysville aggregates 0.04" (1mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 26min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:16 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:42 pm EDT.

How many hours of sunshine does Murrysville have in May?

In Murrysville, the average sunshine duration in May is 8.8h.

What is the UV index reading in May?

In Murrysville, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Murrysville, PA

Average temperature in May - Murrysville, PA
  • Average high temperature in May: 71.8°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in May: 51.1°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in May
Murrysville, PA

Average pressure in May - Murrysville, PA
  • Average pressure in May: 30"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
Murrysville, PA

Average wind speed in May - Murrysville, PA
  • Average wind speed in May: 6.1mph

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
Murrysville, PA

Average humidity in May - Murrysville, PA
  • Average humidity in May: 78%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).

Average rainfall in May
Murrysville, PA

Average rainfall in May - Murrysville, PA
  • Average rainfall in May: 2.56"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is November (1.06").

Average rainfall days in May
Murrysville, PA

Average rainfall days in May - Murrysville, PA
  • Average rainfall days in May: 18.2 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (7.7 days).

Average snowfall in May
Murrysville, PA

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

The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Murrysville, PA

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

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Murrysville, PA
  • Average daylight in May: 14h and 2min

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 5min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in May
Murrysville, PA

Average sunshine days in May - Murrysville, PA
  • Average sunshine days in May: 10.1 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (10.1 days).

Average UV index in May
Murrysville, PA

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

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

Average cloud cover in May
Murrysville, PA

Average cloud cover in May - Murrysville, PA
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
Murrysville, PA

Average visibility in May - Murrysville, 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).

Murrysville, Pennsylvania, USA

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