May weather forecast
Munhall, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Munhall, Pennsylvania, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 72.1°F (22.3°C).

Temperature

The shift into May is marked by a rise in the average high-temperature, moving from April's refreshing 60.4°F (15.8°C) to a pleasant 72.1°F (22.3°C). Munhall throughout May, records an average low-temperature of 51.4°F (10.8°C).

Humidity

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

Rainfall

May is the month with the most rainfall in Munhall, Pennsylvania. Rain falls for 15 days and accumulates 1.26" (32mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Munhall aggregates 0.04" (1mm) of snow. In Munhall, during the entire year, snow falls for 50 days and aggregates up to 6.69" (170mm) of snow.

Daylight

In Munhall, Pennsylvania, the average length of the day in May is 14h and 26min.
On the first day of May in Munhall, sunrise is at 6:17 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:43 pm EDT.

Sunshine

In May, the average sunshine is 8.9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Munhall. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the temperature in May in Munhall?

In May, the average high-temperature and low-temperature are 72.1°F (22.3°C) and 51.4°F (10.8°C) respectively.

What is the average humidity in May in Munhall?

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

What is the rainiest month in Munhall?

May is the month with the most rainfall in Munhall, Pennsylvania. Rain falls for 15 days and accumulates 1.26" (32mm) of precipitation.

How many days does it rain in May in Munhall?

In May, the rain falls for 15 days. Throughout May, 1.26" (32mm) of precipitation is accumulated.

What is the last month it snows in Munhall?

May is the last month it regularly snows in Munhall, Pennsylvania. During 0.2 snowfall days, in May, Munhall aggregates 0.04" (1mm) of snow.

What is the average length of the day in May in Munhall?

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

When is the sunrise / sunset in May in Munhall?

In May, on the first day of the month, sunrise is at 6:17 am and sunset at 8:15 pm. On the last day of the month, in Munhall, sunrise is at 5:51 am and sunset at 8:43 pm EDT.

How many hours of sunshine does Munhall have in May?

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

What is the month with the highest UV index in Munhall?

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

What is the UV index reading in May in Munhall?

In May, the average daily maximum UV index in Munhall is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Munhall, PA

Average temperature in May - Munhall, PA
  • Average high temperature in May: 72.1°F

The warmest month (with the highest average high temperature) is July (83.3°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 (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in May
Munhall, PA

Average pressure in May - Munhall, 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
Munhall, PA

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

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in May
Munhall, PA

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

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (74%).

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Average rainfall in May
Munhall, PA

Average rainfall in May - Munhall, PA
  • Average rainfall in May: 1.26"

The wettest month (with the highest rainfall) is May (1.26").
The driest months (with the least rainfall) are September and November (0.55").

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Average rainfall days in May
Munhall, PA

Average rainfall days in May - Munhall, PA
  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (7.1 days).

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Average snowfall in May
Munhall, PA

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

The months with the highest snowfall are January and February (1.65").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Munhall, PA

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

The month with the highest number of snowfall days is January (14.4 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
Munhall, PA

Average daylight in May / Average sunshine in May - Munhall, 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: 3h and 0min).

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Average sunshine days in May
Munhall, PA

Average sunshine days in May - Munhall, PA
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12.3 days).

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Average UV index in May
Munhall, PA

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

The months with the highest UV index are May, 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
Munhall, PA

Average cloud cover in May - Munhall, 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
Munhall, PA

Average visibility in May - Munhall, 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, February, March, May, September, October and December (5mi).

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Munhall, Pennsylvania, USA

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