May weather forecast
Aliquippa, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Aliquippa, Pennsylvania, with an average temperature varying between 72°F (22.2°C) and 50.7°F (10.4°C).

Temperature

In Aliquippa, stepping into May brings a temperature increase, moving up from April's mild 59.9°F (15.5°C) to a pleasant 72°F (22.2°C). May brings with it a nighttime average temperature of 50.7°F (10.4°C) in Aliquippa.

Humidity

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

Rainfall

In Aliquippa, in May, it is raining for 18.9 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 171.3 rainfall days, and 25.79" (655mm) of precipitation is accumulated.

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, Aliquippa aggregates 0.04" (1mm) of snow. In Aliquippa, Pennsylvania, during the entire year, snow falls for 56.4 days and aggregates up to 12.36" (314mm) of snow.

Daylight

The average length of the day in May in Aliquippa is 14h and 28min.
On the first day of May in Aliquippa, Pennsylvania, sunrise is at 6:18 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:45 pm EDT.

Sunshine

In Aliquippa, the average sunshine in May is 8.7h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 5 in May translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What is the average May temperature in Aliquippa?

The high-temperature in Aliquippa during May is 72°F (22.2°C) and the low-temperature is 50.7°F (10.4°C).

What is the average humidity in May in Aliquippa?

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

How much does it rain in Aliquippa in May?

In Aliquippa, in May, during 18.9 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

What is the last month it snows in Aliquippa?

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

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

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

When are sunrise and sunset in May in Aliquippa?

In May, on the first day of the month, sunrise is at 6:18 am and sunset at 8:17 pm. On the last day of the month, in Aliquippa, sunrise is at 5:52 am and sunset at 8:45 pm EDT.

How many hours of sunshine does Aliquippa have in May?

In May, the average sunshine duration in Aliquippa is 8.7h.

What is the UV index intensity in May in Aliquippa?

In Aliquippa, Pennsylvania, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium 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
Aliquippa, PA

Average temperature in May - Aliquippa, PA
  • Average high temperature in May: 72°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 (32.7°F).

  • Average low temperature in May: 50.7°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 (20.1°F).

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Average pressure in May
Aliquippa, PA

Average pressure in May - Aliquippa, PA
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Aliquippa, PA

Average wind speed in May - Aliquippa, 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
Aliquippa, PA

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

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (76%).

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Average rainfall in May
Aliquippa, PA

Average rainfall in May - Aliquippa, PA
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is January (1.61").

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Average rainfall days in May
Aliquippa, PA

Average rainfall days in May - Aliquippa, PA
  • Average rainfall days in May: 18.9 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in May
Aliquippa, PA

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

The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Aliquippa, PA

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

The month with the highest number of snowfall days is January (17 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
Aliquippa, PA

Average daylight in May / Average sunshine in May - Aliquippa, 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 4min

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
Aliquippa, PA

Average sunshine days in May - Aliquippa, PA
  • Average sunshine days in May: 9.7 days

The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is February (8.2 days).

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Average UV index in May
Aliquippa, PA

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

The months with the highest UV index are June and 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
Aliquippa, PA

Average cloud cover in May - Aliquippa, 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 33).

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Average visibility in May
Aliquippa, PA

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

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

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Aliquippa, Pennsylvania, USA

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