May weather forecast
Sandy, PA

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Weather in May

May, the last month of the spring in Sandy, is an agreeable month, with temperature in the range of an average high of 68°F (20°C) and an average low of 47.8°F (8.8°C).

Temperature

The shift into May is marked by a rise in the average high-temperature, moving from April's mild 56.1°F (13.4°C) to a pleasant 68°F (20°C). Sandy's temperature in May lowers to a consistent average of 47.8°F (8.8°C) during the nights.

Humidity

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

Rainfall

In Sandy, Pennsylvania, in May, during 20.8 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. In Sandy, during the entire year, the rain falls for 177 days and collects up to 34.29" (871mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, Sandy aggregates 0.83" (21mm) of snow. In Sandy, during the entire year, snow falls for 79.7 days and aggregates up to 36.38" (924mm) of snow.

Daylight

In May, the average length of the day is 14h and 30min.
On the first day of May, sunrise is at 6:11 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:40 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 5 in May translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Sandy in May?

The high-temperature during May is 68°F (20°C) and the low-temperature is 47.8°F (8.8°C).

What is the average humidity in May?

The average relative humidity in May is 79%.

How many days does it rain in May?

In Sandy, in May, during 20.8 rainfall days, 3.46" (88mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.5 snowfall days, in May, Sandy aggregates 0.83" (21mm) of snow.

How many hours of daylight does Sandy have in May?

In Sandy, the average day length in May is 14h and 30min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:11 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:40 pm EDT.

How many hours of sunshine does Sandy have in May?

In Sandy, the average sunshine duration in May is 8.2h.

When is the highest UV index?

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 May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Sandy, PA

Average temperature in May - Sandy, PA
  • Average high temperature in May: 68°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in May: 47.8°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

Average pressure in May
Sandy, PA

Average pressure in May - Sandy, PA
  • Average pressure in May: 30"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
Sandy, PA

Average wind speed in May - Sandy, PA
  • Average wind speed in May: 7mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in May
Sandy, PA

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

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).

Average rainfall in May
Sandy, PA

Average rainfall in May - Sandy, PA
  • Average rainfall in May: 3.46"

The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.17").

Average rainfall days in May
Sandy, PA

Average rainfall days in May - Sandy, PA
  • Average rainfall days in May: 20.8 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in May
Sandy, PA

Average snowfall in May - Sandy, PA
  • Average snowfall in May: 0.83"

The month with the highest snowfall is January (9.25").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Sandy, PA

Average snowfall days in May - Sandy, PA
  • Average snowfall days in May: 0.5 days

The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Sandy, 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: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in May
Sandy, PA

Average sunshine days in May - Sandy, PA
  • Average sunshine days in May: 9.1 days

The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is February (6.3 days).

Average UV index in May
Sandy, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Sandy, PA

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

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in May
Sandy, PA

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

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

Sandy, Pennsylvania, USA

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