May weather forecast
Zion, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Zion, Pennsylvania, with an average temperature fluctuating between 69.3°F (20.7°C) and 48.4°F (9.1°C).

Temperature

Zion's May weather shows an increase in high-temperatures, moving from April's moderate 56.8°F (13.8°C) to a pleasant 69.3°F (20.7°C). In the month of May, an average of 48.4°F (9.1°C) marks the low-temperature.

Humidity

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

Rainfall

May is the month with the most rainfall in Zion. Rain falls for 18.3 days and accumulates 2.91" (74mm) of precipitation.

Snowfall

Months with snowfall in Zion, Pennsylvania, are January through May, October through December. May is the last month it regularly snows in Zion. During 0.3 snowfall days, in May, Zion aggregates 0.24" (6mm) of snow. Throughout the year, in Zion, there are 54.8 snowfall days, and 19.88" (505mm) of snow is accumulated.

Daylight

In May, the average length of the day in Zion is 14h and 29min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:07 pm. On the last day of May, in Zion, sunrise is at 5:41 am and sunset at 8:35 pm EDT.

Sunshine

In Zion, the average sunshine in May is 8.1h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 5 during May translates into the following directions:
Make use of precautions - Suggestions to resist sunburn are communicated. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Zion?

In May, the average high-temperature and low-temperature in Zion, Pennsylvania, are 69.3°F (20.7°C) and 48.4°F (9.1°C) respectively.

What is the average humidity in May in Zion?

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

What is the rainiest month in Zion?

The month with the most rainfall in Zion, Pennsylvania, is May, when the rain falls for 18.3 days and typically aggregates up to 2.91" (74mm) of precipitation.

How much does it rain in Zion in May?

In Zion, in May, during 18.3 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

What is the last month it snows in Zion?

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

How many hours of daylight does Zion have in May?

In May, the average day length is 14h and 29min.

When is the sunrise / sunset in May in Zion?

In May, on the first day of the month, sunrise is at 6:07 am and sunset at 8:07 pm. On the last day of the month, in Zion, sunrise is at 5:41 am and sunset at 8:35 pm EDT.

How many hours of sunshine does Zion have in May?

In May, the average sunshine duration is 8.1h.

How high is the UV index in May in Zion?

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

Average temperature in May - Zion, PA
  • Average high temperature in May: 69.3°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in May: 48.4°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in May
Zion, PA

Average pressure in May - Zion, 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 (29.95"Hg).

Average wind speed in May
Zion, PA

Average wind speed in May - Zion, PA
  • Average wind speed in May: 6.2mph

The windiest months (with the highest average wind speed) are January and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in May
Zion, PA

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

The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (76%).

Average rainfall in May
Zion, PA

Average rainfall in May - Zion, PA
  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.61").

Average rainfall days in May
Zion, PA

Average rainfall days in May - Zion, PA
  • Average rainfall days in May: 18.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.4 days).

Average snowfall in May
Zion, PA

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

The month with the highest snowfall is January (4.88").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Zion, PA

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

The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Zion, PA

Average daylight in May / Average sunshine in May - Zion, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in May
Zion, PA

Average sunshine days in May - Zion, PA
  • Average sunshine days in May: 10.9 days

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (9.3 days).

Average UV index in May
Zion, PA

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

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Zion, PA

Average cloud cover in May - Zion, PA
  • Average cloud cover in May: 50

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 36).

Average visibility in May
Zion, PA

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

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

Zion, Pennsylvania, USA

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