May weather forecast
Zionsville, PA

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Weather in May

May, the last month of the spring in Zionsville, is an agreeable month, with an average temperature varying between 51.1°F (10.6°C) and 70°F (21.1°C).

Temperature

The arrival of May brings a temperature shift, with the average high-temperature escalating from a moderate 58.8°F (14.9°C) in April to an agreeable 70°F (21.1°C). Zionsville records a mean low-temperature of 51.1°F (10.6°C) in May.

Humidity

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

Rainfall

In Zionsville, in May, during 17.5 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. In Zionsville, during the entire year, the rain falls for 156.9 days and collects up to 33.15" (842mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Zionsville aggregates 0.12" (3mm) of snow. Throughout the year, in Zionsville, there are 31.2 snowfall days, and 18.98" (482mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 27min.
On the first day of May, sunrise is at 5:59 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:25 pm EDT.

Sunshine

The average sunshine in May is 8.1h.

UV index

In Zionsville, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 5 transforms into these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. 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 average May temperature in Zionsville?

The average high-temperature, in May, in Zionsville, is 70°F (21.1°C), while the average low-temperature is 51.1°F (10.6°C).

What is the average humidity in May in Zionsville?

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

How much does it rain in Zionsville in May?

In May, the rain falls for 17.5 days. Throughout May, 3.07" (78mm) of precipitation is accumulated.

What is the last month it snows in Zionsville?

May is the last month it regularly snows in Zionsville. During 0.1 snowfall days, in May, Zionsville aggregates 0.12" (3mm) of snow.

What is the average length of the day in May in Zionsville?

The average day length in May in Zionsville, Pennsylvania, is 14h and 27min.

When is the sunrise / sunset in May in Zionsville?

On the first day of May in Zionsville, Pennsylvania, sunrise is at 5:59 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:25 pm EDT.

How many hours of sunshine does Zionsville have in May?

The average sunshine duration in May is 8.1h.

How high is the UV index in May in Zionsville?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe 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
Zionsville, PA

Average temperature in May - Zionsville, PA
  • Average high temperature in May: 70°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in May: 51.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in May
Zionsville, PA

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Zionsville, PA

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

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in May
Zionsville, PA

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

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in May
Zionsville, PA

Average rainfall in May - Zionsville, PA
  • Average rainfall in May: 3.07"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in May
Zionsville, PA

Average rainfall days in May - Zionsville, PA
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in May
Zionsville, PA

Average snowfall in May - Zionsville, PA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is March (5.16").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Zionsville, PA

Average snowfall days in May - Zionsville, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (9.3 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
Zionsville, PA

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

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in May
Zionsville, PA

Average sunshine days in May - Zionsville, PA
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in May
Zionsville, PA

Average UV index in May - Zionsville, 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
Zionsville, PA

Average cloud cover in May - Zionsville, PA
  • Average cloud cover in May: 49

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in May
Zionsville, PA

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

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

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Zionsville, Pennsylvania, USA

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