May weather forecast
South Gibson, PA

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Weather in May

May, the last month of the spring in South Gibson, is a comfortable month, with an average temperature fluctuating between 46.2°F (7.9°C) and 66.6°F (19.2°C).

Temperature

May brings a temperature change, with average high-temperatures moving from April's cool 53.4°F (11.9°C) to an enjoyable 66.6°F (19.2°C). An average low-temperature of 46.2°F (7.9°C) is observed during the May nights.

Humidity

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

Rainfall

In South Gibson, during May, the rain falls for 16.7 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, in South Gibson, Pennsylvania, there are 152.2 rainfall days, and 23.94" (608mm) of precipitation is accumulated.

Snowfall

Months with snowfall in South Gibson are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, South Gibson aggregates 0.47" (12mm) of snow. In South Gibson, during the entire year, snow falls for 71.7 days and aggregates up to 26.81" (681mm) of snow.

Daylight

In May, the average length of the day is 14h and 34min.
On the first day of the month, sunrise is at 5:57 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:30 am and sunset at 8:30 pm EDT.

Sunshine

In May, the average sunshine in South Gibson is 8h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in South Gibson. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 5 during May translates into the following guidance:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What is the temperature in May in South Gibson?

During May, South Gibson experiences an average high-temperature of 66.6°F (19.2°C) and a low-temperature of 46.2°F (7.9°C).

What is the average humidity in May in South Gibson?

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

How many days does it rain in May in South Gibson?

In South Gibson, Pennsylvania, in May, during 16.7 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

What is the last month it snows in South Gibson?

May is the last month it regularly snows in South Gibson. During 0.4 snowfall days, in May, South Gibson aggregates 0.47" (12mm) of snow.

How many hours of daylight does South Gibson have in May?

The average day length in May in South Gibson is 14h and 34min.

What time are sunrise and sunset in May in South Gibson?

On the first day of May in South Gibson, Pennsylvania, sunrise is at 5:57 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:30 pm EDT.

How long on average sun shines in May in South Gibson?

In South Gibson, the average sunshine duration in May is 8h.

What is the month with the highest UV index in South Gibson?

The months with the highest UV index in South Gibson, Pennsylvania, are May through August, with an average maximum UV index of 5.

What is the UV index reading in May in South Gibson?

In South Gibson, Pennsylvania, 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 unsafe exposure to Sun's UV rays.
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
South Gibson, PA

Average temperature in May - South Gibson, PA
  • Average high temperature in May: 66.6°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 (28.9°F).

  • Average low temperature in May: 46.2°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in May
South Gibson, PA

Average pressure in May - South Gibson, PA
  • Average pressure in May: 30.01"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
South Gibson, PA

Average wind speed in May - South Gibson, PA
  • Average wind speed in May: 6.9mph

The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in May
South Gibson, PA

Average humidity in May - South Gibson, PA
  • Average humidity in May: 79%

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

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Average rainfall in May
South Gibson, PA

Average rainfall in May - South Gibson, PA
  • Average rainfall in May: 2.44"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is January (1.54").

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Average rainfall days in May
South Gibson, PA

Average rainfall days in May - South Gibson, PA
  • Average rainfall days in May: 16.7 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall in May
South Gibson, PA

Average snowfall in May - South Gibson, PA
  • Average snowfall in May: 0.47"

The month with the highest snowfall is March (5.55").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
South Gibson, PA

Average snowfall days in May - South Gibson, PA
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is January (15.8 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
South Gibson, PA

Average daylight in May / Average sunshine in May - South Gibson, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).

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Average sunshine days in May
South Gibson, PA

Average sunshine days in May - South Gibson, PA
  • Average sunshine days in May: 12.1 days

The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (9.8 days).

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Average UV index in May
South Gibson, PA

Average UV index in May - South Gibson, 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
South Gibson, PA

Average cloud cover in May - South Gibson, PA
  • Average cloud cover in May: 52

The months with the most cloud cover are January, February and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 38).

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Average visibility in May
South Gibson, PA

Average visibility in May - South Gibson, PA
  • Average visibility in May: 5mi

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

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South Gibson, Pennsylvania, USA

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