May weather forecast
Tarentum, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Tarentum, Pennsylvania, with an average temperature fluctuating between 50.4°F (10.2°C) and 71.2°F (21.8°C).

Temperature

May's onset brings a temperature rise, moving from a mild 59.9°F (15.5°C) in April to a pleasant 71.2°F (21.8°C). Tarentum throughout May, records an average low-temperature of 50.4°F (10.2°C).

Humidity

The average relative humidity in May in Tarentum, Pennsylvania, is 78%.

Rainfall

The wettest months in Tarentum are April and May, with an average 3.66" (93mm) of rainfall.

Snowfall

January through May, October through December are months with snowfall in Tarentum, Pennsylvania. May is the last month it regularly snows. During 0.2 snowfall days, in May, Tarentum aggregates 0.16" (4mm) of snow. Throughout the year, there are 63.1 snowfall days, and 25.12" (638mm) of snow is accumulated.

Daylight

In Tarentum, the average length of the day in May is 14h and 28min.
On the first day of May, sunrise is at 6:16 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:43 pm EDT.

Sunshine

In May, the average sunshine in Tarentum is 8.8h.

UV index

In Tarentum, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 5 during May translates into these guidelines:
Take precautions - Protection against sunburn is recommended. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What is the average May temperature in Tarentum?

The average high-temperature, in May, in Tarentum, is 71.2°F (21.8°C), while the average low-temperature is 50.4°F (10.2°C).

What is the average humidity in May in Tarentum?

The average relative humidity in May in Tarentum, Pennsylvania, is 78%.

What is the rainiest month in Tarentum?

The months with the most rainfall in Tarentum, Pennsylvania, are April and May, with an average 3.66" (93mm) of precipitation.

How much does it rain in Tarentum in May?

In Tarentum, Pennsylvania, in May, during 20.2 rainfall days, 3.66" (93mm) of precipitation is typically accumulated.

What is the last month it snows in Tarentum?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Tarentum aggregates 0.16" (4mm) of snow.

How many hours of daylight does Tarentum have in May?

The average day length in May in Tarentum is 14h and 28min.

When are sunrise and sunset in May in Tarentum?

On the first day of May, sunrise is at 6:16 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:43 pm EDT.

How many hours of sunshine does Tarentum have in May?

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

What is the UV index reading in May in Tarentum?

In Tarentum, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Tarentum, PA

Average temperature in May - Tarentum, PA
  • Average high temperature in May: 71.2°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in May: 50.4°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 (20.3°F).

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Average pressure in May
Tarentum, PA

Average pressure in May - Tarentum, 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
Tarentum, PA

Average wind speed in May - Tarentum, PA
  • Average wind speed in May: 6.2mph

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
Tarentum, PA

Average humidity in May - Tarentum, 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
Tarentum, PA

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

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

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Average rainfall days in May
Tarentum, PA

Average rainfall days in May - Tarentum, PA
  • Average rainfall days in May: 20.2 days

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (11.1 days).

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Average snowfall in May
Tarentum, PA

Average snowfall in May - Tarentum, PA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is January (6.73").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Tarentum, PA

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

The month with the highest number of snowfall days is January (18 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
Tarentum, PA

Average daylight in May / Average sunshine in May - Tarentum, PA
  • Average daylight in May: 14h and 3min

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 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in May
Tarentum, PA

Average sunshine days in May - Tarentum, PA
  • Average sunshine days in May: 9.3 days

The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.3 days).

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Average UV index in May
Tarentum, PA

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Tarentum, PA

Average cloud cover in May - Tarentum, PA
  • Average cloud cover in May: 45

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in May
Tarentum, PA

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

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

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Tarentum, Pennsylvania, USA

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