May weather forecast
Coles Mill, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Coles Mill, Pennsylvania, with an average temperature varying between 48.7°F (9.3°C) and 68.4°F (20.2°C).

Temperature

In May, the average high-temperature increases from a mild 56.5°F (13.6°C) in April to a pleasant 68.4°F (20.2°C). An average low-temperature of 48.7°F (9.3°C) is observed during the May nights.

Humidity

In May, the average relative humidity in Coles Mill, Pennsylvania, is 80%.

Rainfall

The wettest months are April and May, with an average 2.99" (76mm) of rainfall.

Snowfall

January through May, October through December are months with snowfall in Coles Mill. May is the last month it regularly snows. During 0.3 snowfall days, in May, Coles Mill aggregates 0.28" (7mm) of snow. Throughout the year, in Coles Mill, there are 47.6 snowfall days, and 22.91" (582mm) of snow is accumulated.

Daylight

In Coles Mill, the average length of the day in May is 14h and 31min.
On the first day of May in Coles Mill, sunrise is at 6:02 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:31 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Coles Mill. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 5 during May translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What are the temperatures in Coles Mill in May?

The average high-temperature, in May, in Coles Mill, is 68.4°F (20.2°C), while the average low-temperature is 48.7°F (9.3°C).

What is the average humidity in May in Coles Mill?

In Coles Mill, Pennsylvania, the average relative humidity in May is 80%.

What is the wettest month in Coles Mill?

The wettest months are April and May, with an average 2.99" (76mm) of rainfall.

How much does it rain in Coles Mill in May?

In Coles Mill, Pennsylvania, in May, during 17.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

What is the last month it snows in Coles Mill?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Coles Mill aggregates 0.28" (7mm) of snow.

What is the average length of the day in May in Coles Mill?

The average day length in May in Coles Mill, Pennsylvania, is 14h and 31min.

When is the sunrise / sunset in May in Coles Mill?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:31 pm EDT.

How long on average sun shines in May in Coles Mill?

In May, the average sunshine duration is 8.2h.

What are the months with the highest UV index in Coles Mill?

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

What is the UV index reading in May in Coles Mill?

The average daily maximum UV index in May 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
Coles Mill, PA

Average temperature in May - Coles Mill, PA
  • Average high temperature in May: 68.4°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).

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Average pressure in May
Coles Mill, PA

Average pressure in May - Coles Mill, PA
  • Average pressure in May: 30.01"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
Coles Mill, PA

Average wind speed in May - Coles Mill, PA
  • Average wind speed in May: 6.4mph

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in May
Coles Mill, PA

Average humidity in May - Coles Mill, PA
  • Average humidity in May: 80%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in May
Coles Mill, PA

Average rainfall in May - Coles Mill, PA
  • Average rainfall in May: 2.99"

The wettest months (with the highest rainfall) are April and May (2.99").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in May
Coles Mill, PA

Average rainfall days in May - Coles Mill, PA
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall in May
Coles Mill, PA

Average snowfall in May - Coles Mill, PA
  • Average snowfall in May: 0.28"

The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Coles Mill, PA

Average snowfall days in May - Coles Mill, PA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (12.9 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
Coles Mill, PA

Average daylight in May / Average sunshine in May - Coles Mill, 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 18min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in May
Coles Mill, PA

Average sunshine days in May - Coles Mill, PA
  • Average sunshine days in May: 10.4 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.8 days).

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Average UV index in May
Coles Mill, PA

Average UV index in May - Coles Mill, 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
Coles Mill, PA

Average cloud cover in May - Coles Mill, PA
  • Average cloud cover in May: 49

The months with the most cloud cover are February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).

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Average visibility in May
Coles Mill, PA

Average visibility in May - Coles Mill, PA
  • Average visibility in May: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

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Coles Mill, Pennsylvania, USA

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