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

With the onset of May, Munhall's weather sees a temperature rise, transitioning from a refreshing 60.4°F (15.8°C) in April to a pleasant 72.1°F (22.3°C). During May, the average low-temperature is a fresh 51.4°F (10.8°C).

Humidity

In May, the average relative humidity is 77%.

Rainfall

The month with the most rainfall is May, when the rain falls for 15 days and typically aggregates up to 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. Throughout the year, there are 50 snowfall days, and 6.69" (170mm) of snow is accumulated.

Daylight

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

Sunshine

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

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Munhall in May?

During May, Munhall experiences an average high-temperature of 72.1°F (22.3°C) and a low-temperature of 51.4°F (10.8°C).

What is the average humidity in May?

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

What is the rainiest month?

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

How much does it rain in May?

In Munhall, in May, it is raining for 15 days, with typically 1.26" (32mm) of accumulated precipitation.

What is the last month it snows?

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

How many hours of daylight does Munhall have in May?

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

When are sunrise and sunset in May?

On the first day of May, 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.

How long on average sun shines in May?

The average sunshine duration in May is 8.9h.

What are the months with the highest UV index?

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?

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Munhall, Pennsylvania, USA

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