May weather forecast
Fairless Junction, PA

Share

Weather in May

The last month of the spring, May, is an agreeable month in Fairless Junction, Pennsylvania, with an average temperature fluctuating between 53.8°F (12.1°C) and 71.2°F (21.8°C).

Temperature

With the onset of May, Fairless Junction experiences a temperature shift, with the average high-temperature moving from a comfortable 61.2°F (16.2°C) in April to an agreeable 71.2°F (21.8°C). Fairless Junction experiences an average temperature drop to a cool 53.8°F (12.1°C) during May nights.

Humidity

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

Rainfall

In Fairless Junction, during May, the rain falls for 16.8 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Fairless Junction, during the entire year, the rain falls for 154.4 days and collects up to 31.38" (797mm) of precipitation.

Snowfall

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

Daylight

In May, the average length of the day is 14h and 25min.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:55 pm. On the last day of May, in Fairless Junction, sunrise is at 5:32 am and sunset at 8:22 pm EDT.

Sunshine

In Fairless Junction, the average sunshine in May is 8.7h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 6 in May translates into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
[Resources]

Frequently asked questions

What are May temperatures in Fairless Junction?

In Fairless Junction, in May, the average high-temperature is 71.2°F (21.8°C), and the average low-temperature is 53.8°F (12.1°C).

What is the average humidity in May in Fairless Junction?

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

How many days does it rain in May in Fairless Junction?

In Fairless Junction, Pennsylvania, during May, the rain falls for 16.8 days and regularly aggregates up to 2.8" (71mm) of precipitation.

What is the last month it snows in Fairless Junction?

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

What is the average length of the day in May in Fairless Junction?

In Fairless Junction, the average day length in May is 14h and 25min.

When is the sunrise / sunset in May in Fairless Junction?

On the first day of May in Fairless Junction, sunrise is at 5:58 am and sunset at 7:55 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 Fairless Junction?

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

What is the month with the highest UV index in Fairless Junction?

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

What is the UV index reading in May in Fairless Junction?

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
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 Junction, PA

Average temperature in May - Fairless Junction, 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).

[Resources]

Average pressure in May
Fairless Junction, PA

Average pressure in May - Fairless Junction, 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).

[Resources]

Average wind speed in May
Fairless Junction, PA

Average wind speed in May - Fairless Junction, 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).

[Resources]

Average humidity in May
Fairless Junction, PA

Average humidity in May - Fairless Junction, 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%).

[Resources]

Average rainfall in May
Fairless Junction, PA

Average rainfall in May - Fairless Junction, 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").

[Resources]

Average rainfall days in May
Fairless Junction, PA

Average rainfall days in May - Fairless Junction, 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).

[Resources]

Average snowfall in May
Fairless Junction, PA

Average snowfall in May - Fairless Junction, 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").

[Resources]

Average snowfall days in May
Fairless Junction, PA

Average snowfall days in May - Fairless Junction, 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).

[Resources]

Average daylight in May /
Average sunshine in May
Fairless Junction, PA

Average daylight in May / Average sunshine in May - Fairless Junction, 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).

[Resources]

Average sunshine days in May
Fairless Junction, PA

Average sunshine days in May - Fairless Junction, 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).

[Resources]

Average UV index in May
Fairless Junction, PA

Average UV index in May - Fairless Junction, 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).

[Resources]

Average cloud cover in May
Fairless Junction, PA

Average cloud cover in May - Fairless Junction, 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).

[Resources]

Average visibility in May
Fairless Junction, PA

Average visibility in May - Fairless Junction, 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).

[Resources]

Fairless Junction, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location