May weather forecast
Atco, PA

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Weather in May

The last month of the spring, May, is a refreshing month in Atco, Pennsylvania, with an average temperature varying between 67.3°F (19.6°C) and 47.1°F (8.4°C).

Temperature

Atco's transition into May brings a rise in the average high-temperature, moving from a fresh 54.3°F (12.4°C) in April to a comfortable 67.3°F (19.6°C). In the month of May, Atco records a consistent average low-temperature of 47.1°F (8.4°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

In Atco, during May, the rain falls for 15.6 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, in Atco, there are 132.5 rainfall days, and 19.21" (488mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.4 snowfall days, in May, Atco aggregates 0.2" (5mm) of snow. In Atco, during the entire year, snow falls for 43.6 days and aggregates up to 14.69" (373mm) of snow.

Daylight

The average length of the day in May in Atco is 14h and 33min.
On the first day of the month, sunrise is at 5:55 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:28 am and sunset at 8:27 pm EDT.

Sunshine

The average sunshine in May is 7.8h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. When the Sun is at its strongest around midday, find shade and limit exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What are May temperatures in Atco?

The high-temperature, in May, in Atco, records 67.3°F (19.6°C), while the low-temperature is 47.1°F (8.4°C).

What is the average humidity in May in Atco?

In May, the average relative humidity in Atco, Pennsylvania, is 79%.

How much does it rain in Atco in May?

In May, in Atco, Pennsylvania, the rain falls for 15.6 days. Throughout May, 1.97" (50mm) of precipitation is accumulated.

What is the last month it snows in Atco?

May is the last month it regularly snows in Atco, Pennsylvania. During 0.4 snowfall days, in May, Atco aggregates 0.2" (5mm) of snow.

How many hours of daylight does Atco have in May?

In May, the average day length in Atco, Pennsylvania, is 14h and 33min.

What time are sunrise and sunset in May in Atco?

In May, on the first day of the month, sunrise is at 5:55 am and sunset at 7:58 pm. On the last day of the month, in Atco, Pennsylvania, sunrise is at 5:28 am and sunset at 8:27 pm EDT.

How long on average sun shines in May in Atco?

The average sunshine duration in May is 7.8h.

When is the highest UV index in Atco?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Atco, Pennsylvania.

What is the UV index intensity in May in Atco?

The average daily maximum UV index in May in Atco is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from 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
Atco, PA

Average temperature in May - Atco, PA
  • Average high temperature in May: 67.3°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in May: 47.1°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in May
Atco, PA

Average pressure in May - Atco, PA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Atco, PA

Average wind speed in May - Atco, PA
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in May
Atco, PA

Average humidity in May - Atco, PA
  • Average humidity in May: 79%

The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is July (77%).

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Average rainfall in May
Atco, PA

Average rainfall in May - Atco, PA
  • Average rainfall in May: 1.97"

The wettest months (with the highest rainfall) are July and August (2.09").
The driest months (with the least rainfall) are January and September (1.14").

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Average rainfall days in May
Atco, PA

Average rainfall days in May - Atco, PA
  • Average rainfall days in May: 15.6 days

The month with the highest number of rainy days is May (15.6 days).
The months with the least rainy days are January and February (6.9 days).

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Average snowfall in May
Atco, PA

Average snowfall in May - Atco, PA
  • Average snowfall in May: 0.2"

The months with the highest snowfall are January and December (3.27").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Atco, PA

Average snowfall days in May - Atco, PA
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is February (10.6 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
Atco, PA

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 7h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in May
Atco, PA

Average sunshine days in May - Atco, PA
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (12.5 days).

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Average UV index in May
Atco, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Atco, PA

Average cloud cover in May - Atco, PA
  • Average cloud cover in May: 52

The months with the most cloud cover are February and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 38).

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Average visibility in May
Atco, PA

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

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).

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Atco, Pennsylvania, USA

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