May weather forecast
Saint Michael, PA

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Weather in May

The last month of the spring, May, is a refreshing month in Saint Michael, Pennsylvania, with an average temperature ranging between min 48.9°F (9.4°C) and max 67.8°F (19.9°C).

Temperature

With the onset of May, the average high-temperature slightly shifts from April's moderate 56.8°F (13.8°C) to a comfortable 67.8°F (19.9°C). Nighttime temperature in Saint Michael lowers to an average of 48.9°F (9.4°C) in May.

Humidity

In Saint Michael, Pennsylvania, the average relative humidity in May is 80%.

Rainfall

In Saint Michael, during May, the rain falls for 13.8 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Saint Michael, during the entire year, the rain falls for 128.8 days and collects up to 22.95" (583mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Saint Michael aggregates 0.16" (4mm) of snow. In Saint Michael, Pennsylvania, during the entire year, snow falls for 58.2 days and aggregates up to 31.81" (808mm) of snow.

Daylight

In May, the average length of the day in Saint Michael, Pennsylvania, is 14h and 26min.
On the first day of May in Saint Michael, sunrise is at 6:13 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:38 pm EDT.

Sunshine

In May, the average sunshine in Saint Michael is 8.5h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 5 in May translates into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What is the usual temperature for Saint Michael in May?

An average high-temperature, in May, in Saint Michael, is 67.8°F (19.9°C) and the average low-temperature is 48.9°F (9.4°C).

What is the average humidity in May in Saint Michael?

In May, the average relative humidity in Saint Michael is 80%.

How much does it rain in Saint Michael in May?

In Saint Michael, in May, during 13.8 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

What is the last month it snows in Saint Michael?

May is the last month it regularly snows. During 0.6 snowfall days, in May, Saint Michael aggregates 0.16" (4mm) of snow.

What is the average length of the day in May in Saint Michael?

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

When is the sunrise / sunset in May in Saint Michael?

On the first day of May in Saint Michael, Pennsylvania, sunrise is at 6:13 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:38 pm EDT.

How long on average sun shines in May in Saint Michael?

The average sunshine duration in May in Saint Michael is 8.5h.

When is the highest UV index in Saint Michael?

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

How high is the UV index in May in Saint Michael?

The average daily maximum UV index in May in Saint Michael is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
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
Saint Michael, PA

Average temperature in May - Saint Michael, PA
  • Average high temperature in May: 67.8°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in May: 48.9°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in May
Saint Michael, PA

Average pressure in May - Saint Michael, PA
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in May
Saint Michael, PA

Average wind speed in May - Saint Michael, PA
  • Average wind speed in May: 7.1mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in May
Saint Michael, PA

Average humidity in May - Saint Michael, PA
  • Average humidity in May: 80%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and July (78%).

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Average rainfall in May
Saint Michael, PA

Average rainfall in May - Saint Michael, PA
  • Average rainfall in May: 1.65"

The wettest month (with the highest rainfall) is February (2.68").
The driest month (with the least rainfall) is August (1.1").

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Average rainfall days in May
Saint Michael, PA

Average rainfall days in May - Saint Michael, PA
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is November (7 days).

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Average snowfall in May
Saint Michael, PA

Average snowfall in May - Saint Michael, PA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (7.64").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Saint Michael, PA

Average snowfall days in May - Saint Michael, PA
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is January (15.3 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
Saint Michael, PA

Average daylight in May / Average sunshine in May - Saint Michael, 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 24min).

  • Average sunshine in May: 8h and 3min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days in May
Saint Michael, PA

Average sunshine days in May - Saint Michael, PA
  • Average sunshine days in May: 15.7 days

The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is January (8.3 days).

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Average UV index in May
Saint Michael, PA

Average UV index in May - Saint Michael, PA
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in May
Saint Michael, PA

Average cloud cover in May - Saint Michael, PA
  • Average cloud cover in May: 49

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in May
Saint Michael, PA

Average visibility in May - Saint Michael, PA
  • Average visibility in May: 5mi

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

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Saint Michael, Pennsylvania, USA

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