May weather forecast
Fairless Hills, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Fairless Hills, Pennsylvania, with an average temperature ranging between max 71.2°F (21.8°C) and min 53.8°F (12.1°C).

Temperature

An increase in the average high-temperature marks May, moving from April's refreshing 61.2°F (16.2°C) to an agreeable 71.2°F (21.8°C). During May, Fairless Hills sees a mean low-temperature of 53.8°F (12.1°C).

Humidity

The average relative humidity in May in Fairless Hills is 76%.

Rainfall

In Fairless Hills, in May, it is raining for 16.8 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 154.4 rainfall days, and 31.38" (797mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Fairless Hills aggregates 0.24" (6mm) of snow. In Fairless Hills, during the entire year, snow falls for 15.9 days and aggregates up to 8.5" (216mm) of snow.

Daylight

The average length of the day in May is 14h and 25min.
On the first day of the month, sunrise is at 5:57 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:22 pm EDT.

Sunshine

In May, the average sunshine is 8.7h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 6 in May translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

During May, Fairless Hills experiences an average high-temperature of 71.2°F (21.8°C) and a low-temperature of 53.8°F (12.1°C).

What is the average humidity in May?

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

How much does it rain in May?

In Fairless Hills, in May, during 16.8 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Fairless Hills aggregates 0.24" (6mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 25min.

When are sunrise and sunset in May in Fairless Hills?

On the first day of May in Fairless Hills, sunrise is at 5:57 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:22 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.7h.

What is the month with the highest UV index?

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

What is the UV index reading in May?

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Fairless Hills, PA

Average temperature in May - Fairless Hills, PA
  • Average high temperature in May: 71.2°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in May: 53.8°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in May
Fairless Hills, PA

Average pressure in May - Fairless Hills, 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).

Average wind speed in May
Fairless Hills, PA

Average wind speed in May - Fairless Hills, PA
  • Average wind speed in May: 6.9mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in May
Fairless Hills, PA

Average humidity in May - Fairless Hills, PA
  • Average humidity in May: 76%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in May
Fairless Hills, PA

Average rainfall in May - Fairless Hills, PA
  • Average rainfall in May: 2.8"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in May
Fairless Hills, PA

Average rainfall days in May - Fairless Hills, PA
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8 days).

Average snowfall in May
Fairless Hills, PA

Average snowfall in May - Fairless Hills, PA
  • Average snowfall in May: 0.24"

The month with the highest snowfall is March (2.99").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Fairless Hills, PA

Average snowfall days in May - Fairless Hills, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (4.8 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
Fairless Hills, PA

Average daylight in May / Average sunshine in May - Fairless Hills, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in May
Fairless Hills, PA

Average sunshine days in May - Fairless Hills, PA
  • Average sunshine days in May: 12.7 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in May
Fairless Hills, PA

Average UV index in May - Fairless Hills, 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).

Average cloud cover in May
Fairless Hills, PA

Average cloud cover in May - Fairless Hills, PA
  • Average cloud cover in May: 46

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
Fairless Hills, PA

Average visibility in May - Fairless Hills, PA
  • Average visibility in May: 5mi

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

Fairless Hills, Pennsylvania, USA

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