May weather forecast
Selinsgrove, PA

Share

Weather in May

The last month of the spring, May, is a pleasant month in Selinsgrove, Pennsylvania, with an average temperature fluctuating between 49.3°F (9.6°C) and 69.4°F (20.8°C).

Temperature

Selinsgrove, Pennsylvania, in May shows a temperature shift, moving from an average high of a refreshing 58.3°F (14.6°C) in April to a pleasant 69.4°F (20.8°C). Selinsgrove reports a consistent average low-temperature of 49.3°F (9.6°C) throughout May nights.

Humidity

In May, the average relative humidity is 80%.

Rainfall

May is the month with the most rainfall in Selinsgrove. Rain falls for 18.4 days and accumulates 3.35" (85mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Selinsgrove. During 0.3 snowfall days, in May, Selinsgrove aggregates 0.16" (4mm) of snow. Throughout the year, there are 38.1 snowfall days, and 17.68" (449mm) of snow is accumulated.

Daylight

In Selinsgrove, the average length of the day in May is 14h and 29min.
On the first day of May, sunrise is at 6:04 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:32 pm EDT.

Sunshine

In Selinsgrove, the average sunshine in May is 8.4h.

UV index

In Selinsgrove, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 5 in May transforms into this advice:
Ensure safety - Sun damage prevention is strongly urged. When the Sun is at its strongest around midday, find shade and limit exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The average high-temperature, in May, in Selinsgrove, is 69.4°F (20.8°C), while the average low-temperature is 49.3°F (9.6°C).

What is the average humidity in May?

In Selinsgrove, the average relative humidity in May is 80%.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 18.4 days and accumulates 3.35" (85mm) of precipitation.

How many days does it rain in May?

In Selinsgrove, in May, it is raining for 18.4 days, with typically 3.35" (85mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Selinsgrove aggregates 0.16" (4mm) of snow.

How many hours of daylight does Selinsgrove have in May?

The average day length in May is 14h and 29min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:04 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:32 pm EDT.

How many hours of sunshine does Selinsgrove have in May?

In May, the average sunshine duration is 8.4h.

How high is the UV index in May in Selinsgrove?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from 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
Selinsgrove, PA

Average temperature in May - Selinsgrove, PA
  • Average high temperature in May: 69.4°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in May: 49.3°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in May
Selinsgrove, PA

Average pressure in May - Selinsgrove, PA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Selinsgrove, PA

Average wind speed in May - Selinsgrove, PA
  • Average wind speed in May: 6.1mph

The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in May
Selinsgrove, PA

Average humidity in May - Selinsgrove, PA
  • Average humidity in May: 80%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).

Average rainfall in May
Selinsgrove, PA

Average rainfall in May - Selinsgrove, PA
  • Average rainfall in May: 3.35"

The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are February and November (2.09").

Average rainfall days in May
Selinsgrove, PA

Average rainfall days in May - Selinsgrove, PA
  • Average rainfall days in May: 18.4 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (9 days).

Average snowfall in May
Selinsgrove, PA

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

The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Selinsgrove, PA

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

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Selinsgrove, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in May
Selinsgrove, PA

Average sunshine days in May - Selinsgrove, PA
  • Average sunshine days in May: 9.9 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is May (9.9 days).

Average UV index in May
Selinsgrove, PA

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

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

Average cloud cover in May
Selinsgrove, PA

Average cloud cover in May - Selinsgrove, PA
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
Selinsgrove, PA

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

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

Selinsgrove, Pennsylvania, USA

Weather forecast for your location

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