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 ranging between min 51.1°F (10.6°C) and max 71.8°F (22.1°C).

Temperature

With the onset of May, Murrysville experiences a temperature shift, with the average high-temperature moving from a refreshing 60.1°F (15.6°C) in April to an agreeable 71.8°F (22.1°C). An average low-temperature of 51.1°F (10.6°C) marks the nights throughout May.

Humidity

The average relative humidity in May in Murrysville is 78%.

Rainfall

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.

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. Throughout the year, in Murrysville, Pennsylvania, there are 35.4 snowfall days, and 10.35" (263mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 26min.
On the first day of May in Murrysville, Pennsylvania, 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.

Sunshine

In May, the average sunshine is 8.8h.

UV index

In Murrysville, Pennsylvania, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the maximum UV index of 5 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What is the average May temperature in Murrysville?

During May, Murrysville experiences an average high-temperature of 71.8°F (22.1°C) and a low-temperature of 51.1°F (10.6°C).

What is the average humidity in May in Murrysville?

The average relative humidity in May is 78%.

What is the rainiest month in Murrysville?

May is the month with the most rainfall. Rain falls for 18.2 days and accumulates 2.56" (65mm) of precipitation.

How much does it rain in Murrysville in May?

In Murrysville, during May, the rain falls for 18.2 days and regularly aggregates up to 2.56" (65mm) of precipitation.

What is the last month it snows in Murrysville?

May is the last month it regularly snows in Murrysville. 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 Murrysville?

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

When is the sunrise / sunset in May in Murrysville?

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, in Murrysville, sunrise is at 5:50 am and sunset at 8:42 pm EDT.

How many hours of sunshine does Murrysville have in May?

The average sunshine duration in May in Murrysville, Pennsylvania, is 8.8h.

What is the UV index reading in May in Murrysville?

In May, the average daily maximum UV index in Murrysville is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Murrysville, Pennsylvania, USA

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