May weather forecast
Wallingford, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Wallingford, Pennsylvania, with temperature in the range of an average high of 72°F (22.2°C) and an average low of 55°F (12.8°C).

Temperature

May signals a shift in the average high-temperature, moving from April's enjoyable 61.5°F (16.4°C) to an agreeable 72°F (22.2°C). In May, the average low-temperature in Wallingford records at a fresh 55°F (12.8°C) during the nights.

Humidity

In Wallingford, the average relative humidity in May is 76%.

Rainfall

In May, in Wallingford, Pennsylvania, the rain falls for 16.3 days. Throughout May, 2.32" (59mm) of precipitation is accumulated. In Wallingford, Pennsylvania, during the entire year, the rain falls for 148.4 days and collects up to 25.94" (659mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. May is the last month it regularly snows in Wallingford. During 0.1 snowfall days, in May, Wallingford aggregates 0.16" (4mm) of snow. In Wallingford, during the entire year, snow falls for 12.6 days and aggregates up to 7.28" (185mm) of snow.

Daylight

In Wallingford, the average length of the day in May is 14h and 24min.
On the first day of the month, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of May, in Wallingford, sunrise is at 5:35 am and sunset at 8:23 pm EDT.

Sunshine

In May, the average sunshine is 8.7h.

UV index

The months with the highest UV index in Wallingford are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What are the temperatures in Wallingford in May?

An average high-temperature, in May, in Wallingford, is 72°F (22.2°C) and the average low-temperature is 55°F (12.8°C).

What is the average humidity in May in Wallingford?

In Wallingford, Pennsylvania, the average relative humidity in May is 76%.

How many days does it rain in May in Wallingford?

In Wallingford, Pennsylvania, in May, during 16.3 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

What is the last month it snows in Wallingford?

May is the last month it regularly snows in Wallingford. During 0.1 snowfall days, in May, Wallingford aggregates 0.16" (4mm) of snow.

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

In May, the average day length in Wallingford is 14h and 24min.

When are sunrise and sunset in May in Wallingford?

On the first day of May in Wallingford, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:23 pm EDT.

How many hours of sunshine does Wallingford have in May?

In May, the average sunshine duration in Wallingford, Pennsylvania, is 8.7h.

What are the months with the highest UV index in Wallingford?

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

How high is the UV index in May in Wallingford?

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to 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
Wallingford, PA

Average temperature in May - Wallingford, PA
  • Average high temperature in May: 72°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in May: 55°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in May
Wallingford, PA

Average pressure in May - Wallingford, 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
Wallingford, PA

Average wind speed in May - Wallingford, PA
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in May
Wallingford, PA

Average humidity in May - Wallingford, PA
  • Average humidity in May: 76%

The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in May
Wallingford, PA

Average rainfall in May - Wallingford, PA
  • Average rainfall in May: 2.32"

The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.61").

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Average rainfall days in May
Wallingford, PA

Average rainfall days in May - Wallingford, PA
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall in May
Wallingford, PA

Average snowfall in May - Wallingford, PA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Wallingford, PA

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

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Wallingford, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in May
Wallingford, PA

Average sunshine days in May - Wallingford, PA
  • Average sunshine days in May: 12.7 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in May
Wallingford, PA

Average UV index in May - Wallingford, PA
  • Average UV index in May: 6

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

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Average cloud cover in May
Wallingford, PA

Average cloud cover in May - Wallingford, PA
  • Average cloud cover in May: 45

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in May
Wallingford, PA

Average visibility in May - Wallingford, PA
  • Average visibility in May: 6mi

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

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Wallingford, Pennsylvania, USA

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