May weather forecast
New Cumberland, PA

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Weather in May

May, the last month of the spring in New Cumberland, is a pleasant month, with an average temperature varying between 51.8°F (11°C) and 70.2°F (21.2°C).

Temperature

The arrival of May brings a change in New Cumberland's weather, with average high-temperatures moving from April's mild 59.9°F (15.5°C) to an agreeable 70.2°F (21.2°C). In New Cumberland, May nights cool down to an average of 51.8°F (11°C).

Humidity

The months with the highest humidity are February and May, with an average relative humidity of 80%.

Rainfall

The wettest months are May and August, with an average 2.09" (53mm) of rainfall.

Snowfall

May through October are months without snowfall.

Daylight

In New Cumberland, the average length of the day in May is 14h and 26min.
On the first day of May, sunrise is at 6:05 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:30 pm EDT.

Sunshine

The average sunshine in May is 8.5h.

UV index

The months with the highest UV index in New Cumberland are May through July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 during May leads to these advisories:
Guard oneself from overexposure. Defence against sun injury is vital. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Enhance your sun protection with tightly woven, yet airy clothing. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

What is the usual temperature for New Cumberland in May?

In May, in New Cumberland, the average high-temperature is 70.2°F (21.2°C), and the average low-temperature is 51.8°F (11°C).

What are the most humid months?

The months with the highest humidity are February and May, with an average relative humidity of 80%.

What is the average humidity in May?

The average relative humidity in May is 80%.

What is the wettest month?

The wettest months are May and August, with an average 2.09" (53mm) of rainfall.

How many days does it rain in May?

In New Cumberland, in May, during 17 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May?

In New Cumberland, the average day length in May is 14h and 26min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:30 pm EDT.

How many hours of sunshine does New Cumberland have in May?

The average sunshine duration in May is 8.5h.

When is the highest UV index?

The months with the highest UV index are May through July, with an average maximum UV index of 6.

How high is the UV index in May?

In New Cumberland, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
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
New Cumberland, PA

Average temperature in May - New Cumberland, PA
  • Average high temperature in May: 70.2°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in May: 51.8°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average pressure in May
New Cumberland, PA

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

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in May
New Cumberland, PA

Average wind speed in May - New Cumberland, PA
  • Average wind speed in May: 6.4mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in May
New Cumberland, PA

Average humidity in May - New Cumberland, PA
  • Average humidity in May: 80%

The months with the highest relative humidity are February and May (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in May
New Cumberland, PA

Average rainfall in May - New Cumberland, PA
  • Average rainfall in May: 2.09"

The wettest months (with the highest rainfall) are May and August (2.09").
The driest months (with the least rainfall) are January and September (1.3").

Average rainfall days in May
New Cumberland, PA

Average rainfall days in May - New Cumberland, PA
  • Average rainfall days in May: 17 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in May
New Cumberland, PA

Average snowfall in May - New Cumberland, PA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
New Cumberland, PA

Average snowfall days in May - New Cumberland, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
New Cumberland, PA

Average daylight in May / Average sunshine in May - New Cumberland, 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 24min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in May
New Cumberland, PA

Average sunshine days in May - New Cumberland, PA
  • Average sunshine days in May: 12 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12 days).

Average UV index in May
New Cumberland, PA

Average UV index in May - New Cumberland, PA
  • Average UV index in May: 6

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in May
New Cumberland, PA

Average cloud cover in May - New Cumberland, PA
  • Average cloud cover in May: 46

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in May
New Cumberland, PA

Average visibility in May - New Cumberland, PA
  • Average visibility in May: 5mi

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

New Cumberland, Pennsylvania, USA

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