May weather forecast
Union City, PA

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Weather in May

May, the last month of the spring in Union City, is a comfortable month, with an average temperature fluctuating between 65.8°F (18.8°C) and 47.7°F (8.7°C).

Temperature

May sees a rise in the average high-temperature, climbing from a cool 53.2°F (11.8°C) in April to an enjoyable 65.8°F (18.8°C). Union City records an average low-temperature of 47.7°F (8.7°C) throughout the month of May.

Humidity

With an average relative humidity of 80%, May is the least humid month in Union City, Pennsylvania.

Rainfall

In May, the rain falls for 19 days. Throughout May, 3.39" (86mm) of precipitation is accumulated. In Union City, during the entire year, the rain falls for 176.8 days and collects up to 37.36" (949mm) of precipitation.

Snowfall

Months with snowfall in Union City are January through May, October through December. May is the last month it regularly snows in Union City. During 0.9 snowfall days, in May, Union City aggregates 0.28" (7mm) of snow. In Union City, during the entire year, snow falls for 89.6 days and aggregates up to 48.78" (1239mm) of snow.

Daylight

The average length of the day in May in Union City is 14h and 34min.
On the first day of May, sunrise is at 6:14 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:47 pm EDT.

Sunshine

In May, the average sunshine in Union City, Pennsylvania, is 8.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What are May temperatures in Union City?

In May, in Union City, the average high-temperature is 65.8°F (18.8°C), and the average low-temperature is 47.7°F (8.7°C).

What is the least humid month in Union City?

With an average relative humidity of 80%, May is the least humid month in Union City, Pennsylvania.

What is the average humidity in May in Union City?

The average relative humidity in May in Union City, Pennsylvania, is 80%.

How much does it rain in Union City in May?

In May, in Union City, Pennsylvania, the rain falls for 19 days. Throughout May, 3.39" (86mm) of precipitation is accumulated.

What is the last month it snows in Union City?

May is the last month it regularly snows. During 0.9 snowfall days, in May, Union City aggregates 0.28" (7mm) of snow.

How many hours of daylight does Union City have in May?

In Union City, Pennsylvania, the average day length in May is 14h and 34min.

What time are sunrise and sunset in May in Union City?

On the first day of May in Union City, sunrise is at 6:14 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:47 pm EDT.

How many hours of sunshine does Union City have in May?

In Union City, the average sunshine duration in May is 8.5h.

When is the highest UV index in Union City?

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

What is the UV index intensity in May in Union City?

In Union City, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents 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
Union City, PA

Average temperature in May - Union City, PA
  • Average high temperature in May: 65.8°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in May: 47.7°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 (18.3°F).

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Average pressure in May
Union City, PA

Average pressure in May - Union City, PA
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Union City, PA

Average wind speed in May - Union City, PA
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6mph).

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Average humidity in May
Union City, PA

Average humidity in May - Union City, PA
  • Average humidity in May: 80%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (80%).

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Average rainfall in May
Union City, PA

Average rainfall in May - Union City, PA
  • Average rainfall in May: 3.39"

The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is September (2.64").

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Average rainfall days in May
Union City, PA

Average rainfall days in May - Union City, PA
  • Average rainfall days in May: 19 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in May
Union City, PA

Average snowfall in May - Union City, PA
  • Average snowfall in May: 0.28"

The month with the highest snowfall is December (12.01").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Union City, PA

Average snowfall days in May - Union City, PA
  • Average snowfall days in May: 0.9 days

The month with the highest number of snowfall days is January (21.3 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
Union City, PA

Average daylight in May / Average sunshine in May - Union City, PA
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).

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Average sunshine days in May
Union City, PA

Average sunshine days in May - Union City, PA
  • Average sunshine days in May: 10.4 days

The month with the most sunshine days is October (10.9 days).
The month with the least sunshine days is January (5.4 days).

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Average UV index in May
Union City, PA

Average UV index in May - Union City, 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 and December (UV index 1).

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Average cloud cover in May
Union City, PA

Average cloud cover in May - Union City, PA
  • Average cloud cover in May: 46

The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 36).

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Average visibility in May
Union City, PA

Average visibility in May - Union City, PA
  • Average visibility in May: 5mi

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

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Union City, Pennsylvania, USA

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