May weather forecast
McMurray, PA

Share

Weather in May

The last month of the spring, May, is an agreeable month in McMurray, Pennsylvania, with an average temperature ranging between min 51.4°F (10.8°C) and max 72.3°F (22.4°C).

Temperature

May's onset witnesses a shift in the average high-temperature, moving from a comfortable 61.2°F (16.2°C) in April to an agreeable 72.3°F (22.4°C). McMurray, during the nights of May, experiences an average temperature drop to a cool 51.4°F (10.8°C).

Humidity

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

Rainfall

May is the month with the most rainfall in McMurray. Rain falls for 21.5 days and accumulates 3.66" (93mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, McMurray aggregates 0.08" (2mm) of snow. In McMurray, during the entire year, snow falls for 60 days and aggregates up to 23.31" (592mm) of snow.

Daylight

The average length of the day in May is 14h and 26min.
On the first day of May, sunrise is at 6:18 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:43 pm EDT.

Sunshine

In May, the average sunshine is 8.9h.

UV index

May through July, with an average maximum UV index of 6, are months with the highest UV index in McMurray. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 6 during May morphs into the following directions:
Guard against overexposure. Protection from sun-induced harm is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In McMurray, 72.3°F (22.4°C) is the average high-temperature and 51.4°F (10.8°C) is the average low-temperature during May.

What is the average humidity in May?

In May, the average relative humidity is 77%.

What is the wettest month in McMurray?

The month with the most rainfall is May, when the rain falls for 21.5 days and typically aggregates up to 3.66" (93mm) of precipitation.

How many days does it rain in May?

In May, the rain falls for 21.5 days. Throughout May, 3.66" (93mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, McMurray aggregates 0.08" (2mm) of snow.

How many hours of daylight does McMurray have in May?

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

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:18 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:43 pm EDT.

How many hours of sunshine does McMurray have in May?

In McMurray, the average sunshine duration in May is 8.9h.

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 vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
McMurray, PA

Average temperature in May - McMurray, PA
  • Average high temperature in May: 72.3°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in May: 51.4°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in May
McMurray, PA

Average pressure in May - McMurray, PA
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in May
McMurray, PA

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

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in May
McMurray, PA

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

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (75%).

Average rainfall in May
McMurray, PA

Average rainfall in May - McMurray, PA
  • Average rainfall in May: 3.66"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.2").

Average rainfall days in May
McMurray, PA

Average rainfall days in May - McMurray, PA
  • Average rainfall days in May: 21.5 days

The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (11.3 days).

Average snowfall in May
McMurray, PA

Average snowfall in May - McMurray, PA
  • Average snowfall in May: 0.08"

The month with the highest snowfall is January (5.83").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
McMurray, PA

Average snowfall days in May - McMurray, PA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - McMurray, 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 24min).

  • 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: 3h and 0min).

Average sunshine days in May
McMurray, PA

Average sunshine days in May - McMurray, PA
  • Average sunshine days in May: 8.6 days

The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is January (7.7 days).

Average UV index in May
McMurray, PA

Average UV index in May - McMurray, 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
McMurray, PA

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

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
McMurray, PA

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

The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January and February (4mi).

McMurray, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location