May weather forecast
State Line, PA

Share

Weather in May

The last month of the spring, May, is a pleasant month in State Line, Pennsylvania, with an average temperature fluctuating between 72°F (22.2°C) and 52°F (11.1°C).

Temperature

May's onset is marked by a temperature increase, moving from an enjoyable 61.5°F (16.4°C) in April to a pleasant 72°F (22.2°C). Throughout May, State Line records an average temperature of 52°F (11.1°C) at night.

Humidity

The months with the highest humidity in State Line are May and October, with an average relative humidity of 79%.

Rainfall

May is the month with the most rainfall. Rain falls for 18.3 days and accumulates 3.11" (79mm) of precipitation.

Snowfall

In State Line, snow does not fall in May through September.

Daylight

The average length of the day in May in State Line, Pennsylvania, is 14h and 23min.
On the first day of May, sunrise is at 6:10 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:32 pm EDT.

Sunshine

In May, the average sunshine in State Line is 8.6h.

UV index

The months with the highest UV index in State Line, Pennsylvania, are May through July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In May, a daily UV index of 6 turns into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
[Resources]

Frequently asked questions

What is the usual temperature for State Line in May?

The average high-temperature, in May, in State Line, is 72°F (22.2°C), while the average low-temperature is 52°F (11.1°C).

What are the most humid months in State Line?

The months with the highest humidity are May and October, with an average relative humidity of 79%.

What is the average humidity in May in State Line?

In May, the average relative humidity in State Line, Pennsylvania, is 79%.

What is the wettest month in State Line?

The month with the most rainfall in State Line, Pennsylvania, is May, when the rain falls for 18.3 days and typically aggregates up to 3.11" (79mm) of precipitation.

How much does it rain in State Line in May?

In State Line, in May, it is raining for 18.3 days, with typically 3.11" (79mm) of accumulated precipitation.

When it does not snow in State Line?

May through September are months without snowfall in State Line, Pennsylvania.

Does it snow in State Line in May?

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

How many hours of daylight does State Line have in May?

In State Line, Pennsylvania, the average day length in May is 14h and 23min.

When is the sunrise / sunset in May in State Line?

On the first day of May in State Line, sunrise is at 6:10 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:32 pm EDT.

How many hours of sunshine does State Line have in May?

The average sunshine duration in May in State Line is 8.6h.

When is the highest UV index in State Line?

May through July, with an average maximum UV index of 6, are months with the highest UV index in State Line, Pennsylvania.

How high is the UV index in May in State Line?

In May, the average daily maximum UV index in State Line, Pennsylvania, is 6. A UV Index reading 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
State Line, PA

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

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in May: 52°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

[Resources]

Average pressure in May
State Line, PA

Average pressure in May - State Line, 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).

[Resources]

Average wind speed in May
State Line, PA

Average wind speed in May - State Line, PA
  • Average wind speed in May: 5.8mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

[Resources]

Average humidity in May
State Line, PA

Average humidity in May - State Line, PA
  • Average humidity in May: 79%

The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (75%).

[Resources]

Average rainfall in May
State Line, PA

Average rainfall in May - State Line, PA
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.97").

[Resources]

Average rainfall days in May
State Line, PA

Average rainfall days in May - State Line, PA
  • Average rainfall days in May: 18.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.8 days).

[Resources]

Average snowfall in May
State Line, PA

Average snowfall in May - State Line, PA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in May
State Line, PA

Average snowfall days in May - State Line, PA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
State Line, PA

Average daylight in May / Average sunshine in May - State Line, PA
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
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 42min).

[Resources]

Average sunshine days in May
State Line, PA

Average sunshine days in May - State Line, PA
  • Average sunshine days in May: 10.7 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).

[Resources]

Average UV index in May
State Line, PA

Average UV index in May - State Line, 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, November and December (UV index 2).

[Resources]

Average cloud cover in May
State Line, PA

Average cloud cover in May - State Line, PA
  • Average cloud cover in May: 46

The months with the most cloud cover are January, February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

[Resources]

Average visibility in May
State Line, PA

Average visibility in May - State Line, PA
  • Average visibility in May: 5mi

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

[Resources]

State Line, Pennsylvania, USA

Weather forecast for your location

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