May weather forecast
Plains, PA

Share

Weather in May

May, the last month of the spring in Plains, is a refreshing month, with temperature in the range of an average high of 67.5°F (19.7°C) and an average low of 47.8°F (8.8°C).

Temperature

As April gives way to May, the average high-temperature displays an increase, moving from a fresh 55°F (12.8°C) to an enjoyable 67.5°F (19.7°C). May brings Plains a consistent average low-temperature of 47.8°F (8.8°C).

Humidity

The average relative humidity in May in Plains, Pennsylvania, is 79%.

Rainfall

In Plains, during May, the rain falls for 18.3 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Plains, during the entire year, the rain falls for 162.1 days and collects up to 24.53" (623mm) of precipitation.

Snowfall

Months with snowfall in Plains are January through May, October through December. May is the last month it regularly snows in Plains. During 0.3 snowfall days, in May, Plains aggregates 0.2" (5mm) of snow. Throughout the year, in Plains, there are 49.4 snowfall days, and 19.92" (506mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 31min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:29 pm EDT.

Sunshine

In May, the average sunshine in Plains is 8.2h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 5 in May translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
[Resources]

Frequently asked questions

What is the temperature in May in Plains?

May temperatures in Plains vary between a high-temperature of 67.5°F (19.7°C) and a low-temperature of 47.8°F (8.8°C).

What is the average humidity in May in Plains?

The average relative humidity in May is 79%.

How many days does it rain in May in Plains?

In May, the rain falls for 18.3 days. Throughout May, 2.52" (64mm) of precipitation is accumulated.

What is the last month it snows in Plains?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Plains aggregates 0.2" (5mm) of snow.

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

The average day length in May in Plains is 14h and 31min.

What time are sunrise and sunset in May in Plains?

On the first day of May in Plains, Pennsylvania, sunrise is at 5:59 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:29 pm EDT.

How many hours of sunshine does Plains have in May?

In Plains, Pennsylvania, the average sunshine duration in May is 8.2h.

When is the highest UV index in Plains?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Plains.

How high is the UV index in May in Plains?

In Plains, Pennsylvania, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Plains, PA

Average temperature in May - Plains, PA
  • Average high temperature in May: 67.5°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in May: 47.8°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

[Resources]

Average pressure in May
Plains, PA

Average pressure in May - Plains, 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).

[Resources]

Average wind speed in May
Plains, PA

Average wind speed in May - Plains, PA
  • Average wind speed in May: 6.5mph

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

[Resources]

Average humidity in May
Plains, PA

Average humidity in May - Plains, PA
  • Average humidity in May: 79%

The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).

[Resources]

Average rainfall in May
Plains, PA

Average rainfall in May - Plains, PA
  • Average rainfall in May: 2.52"

The wettest month (with the highest rainfall) is July (2.6").
The driest month (with the least rainfall) is September (1.54").

[Resources]

Average rainfall days in May
Plains, PA

Average rainfall days in May - Plains, 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 (8.6 days).

[Resources]

Average snowfall in May
Plains, PA

Average snowfall in May - Plains, PA
  • Average snowfall in May: 0.2"

The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in May
Plains, PA

Average snowfall days in May - Plains, PA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in May / Average sunshine in May - Plains, PA
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).

[Resources]

Average sunshine days in May
Plains, PA

Average sunshine days in May - Plains, PA
  • Average sunshine days in May: 10.9 days

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is July (10.3 days).

[Resources]

Average UV index in May
Plains, PA

Average UV index in May - Plains, PA
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

[Resources]

Average cloud cover in May
Plains, PA

Average cloud cover in May - Plains, PA
  • Average cloud cover in May: 49

The months with the most cloud cover are January, February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).

[Resources]

Average visibility in May
Plains, PA

Average visibility in May - Plains, PA
  • Average visibility in May: 5mi

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

[Resources]

Plains, Pennsylvania, USA

Weather forecast for your location

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