May weather forecast
Zion Grove, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Zion Grove, Pennsylvania, with an average temperature ranging between min 49.5°F (9.7°C) and max 68°F (20°C).

Temperature

With the onset of May, the average high-temperature slightly shifts from April's mild 57°F (13.9°C) to a pleasant 68°F (20°C). Zion Grove's temperature drops to an average low of 49.5°F (9.7°C) during the nights of May.

Humidity

In May, the average relative humidity is 81%.

Rainfall

May is the month with the most rainfall in Zion Grove. Rain falls for 18.2 days and accumulates 3.11" (79mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Zion Grove. During 0.3 snowfall days, in May, Zion Grove aggregates 0.24" (6mm) of snow. In Zion Grove, during the entire year, snow falls for 48.2 days and aggregates up to 24.84" (631mm) of snow.

Daylight

In May, the average length of the day is 14h and 29min.
On the first day of May, sunrise is at 6:01 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:30 pm EDT.

Sunshine

In May, the average sunshine in Zion Grove is 8.3h.

UV index

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A daily high UV index of 5 in May leads to these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What are the temperatures in Zion Grove in May?

In Zion Grove, 68°F (20°C) is the average high-temperature and 49.5°F (9.7°C) is the average low-temperature during May.

What is the average humidity in May in Zion Grove?

In Zion Grove, the average relative humidity in May is 81%.

What is the wettest month in Zion Grove?

The month with the most rainfall in Zion Grove, Pennsylvania, is May, when the rain falls for 18.2 days and typically aggregates up to 3.11" (79mm) of precipitation.

How many days does it rain in May in Zion Grove?

In Zion Grove, Pennsylvania, during May, the rain falls for 18.2 days and regularly aggregates up to 3.11" (79mm) of precipitation.

What is the last month it snows in Zion Grove?

May is the last month it regularly snows in Zion Grove. During 0.3 snowfall days, in May, Zion Grove aggregates 0.24" (6mm) of snow.

How many hours of daylight does Zion Grove have in May?

The average day length in May is 14h and 29min.

What time are sunrise and sunset in May in Zion Grove?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 8:01 pm. On the last day of the month, in Zion Grove, Pennsylvania, sunrise is at 5:35 am and sunset at 8:30 pm EDT.

How many hours of sunshine does Zion Grove have in May?

In May, the average sunshine duration is 8.3h.

What is the UV index intensity in May in Zion Grove?

In May, the average daily maximum UV index in Zion Grove is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Zion Grove, PA

Average temperature in May - Zion Grove, PA
  • Average high temperature in May: 68°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 (31.8°F).

  • Average low temperature in May: 49.5°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 (19.8°F).

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Average pressure in May
Zion Grove, PA

Average pressure in May - Zion Grove, 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
Zion Grove, PA

Average wind speed in May - Zion Grove, PA
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in May
Zion Grove, PA

Average humidity in May - Zion Grove, PA
  • Average humidity in May: 81%

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
Zion Grove, PA

Average rainfall in May - Zion Grove, PA
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in May
Zion Grove, PA

Average rainfall days in May - Zion Grove, PA
  • Average rainfall days in May: 18.2 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall in May
Zion Grove, PA

Average snowfall in May - Zion Grove, PA
  • Average snowfall in May: 0.24"

The month with the highest snowfall is January (5.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Zion Grove, PA

Average snowfall days in May - Zion Grove, PA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (12.8 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
Zion Grove, PA

Average daylight in May / Average sunshine in May - Zion Grove, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in May
Zion Grove, PA

Average sunshine days in May - Zion Grove, PA
  • Average sunshine days in May: 10.4 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (10.3 days).

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Average UV index in May
Zion Grove, PA

Average UV index in May - Zion Grove, PA
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in May
Zion Grove, PA

Average cloud cover in May - Zion Grove, PA
  • Average cloud cover in May: 48

The months with the most cloud cover are February and December (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in May
Zion Grove, PA

Average visibility in May - Zion Grove, 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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Zion Grove, Pennsylvania, USA

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