May weather forecast
Penbryn, PA

Share

Weather in May

May, the last month of the spring in Penbryn, is a comfortable month, with an average temperature ranging between min 46.6°F (8.1°C) and max 66.7°F (19.3°C).

Temperature

May brings a rise in Penbryn's average high-temperature, moving from a cool 54°F (12.2°C) in April to a refreshing 66.7°F (19.3°C). The temperature lowers to an average of 46.6°F (8.1°C) during May nights.

Humidity

In May, the average relative humidity is 79%.

Rainfall

In Penbryn, in May, it is raining for 19 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, there are 171.9 rainfall days, and 28.54" (725mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Penbryn aggregates 0.28" (7mm) of snow. Throughout the year, there are 74.9 snowfall days, and 30.08" (764mm) of snow is accumulated.

Daylight

In Penbryn, Pennsylvania, the average length of the day in May is 14h and 33min.
On the first day of the month, sunrise is at 6:03 am and sunset at 8:05 pm. On the last day of May, sunrise is at 5:35 am and sunset at 8:34 pm EDT.

Sunshine

In May, the average sunshine is 8.1h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Heed the precautions - It is counselled to guard against solar damage. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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?

In Penbryn, in May, the average high-temperature is 66.7°F (19.3°C), and the average low-temperature is 46.6°F (8.1°C).

What is the average humidity in May?

The average relative humidity in May is 79%.

How many days does it rain in May?

In Penbryn, during May, the rain falls for 19 days and regularly aggregates up to 2.76" (70mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.6 snowfall days, in May, Penbryn aggregates 0.28" (7mm) of snow.

What is the average length of the day in May?

In Penbryn, Pennsylvania, the average day length in May is 14h and 33min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:03 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:34 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.1h.

What are the months with the highest UV index?

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

What is the UV index reading in May?

In Penbryn, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Penbryn, PA

Average temperature in May - Penbryn, PA
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in May: 46.6°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in May
Penbryn, PA

Average pressure in May - Penbryn, 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).

Average wind speed in May
Penbryn, PA

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

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in May
Penbryn, PA

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

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (78%).

Average rainfall in May
Penbryn, PA

Average rainfall in May - Penbryn, PA
  • Average rainfall in May: 2.76"

The wettest months (with the highest rainfall) are April and July (2.91").
The driest months (with the least rainfall) are January and November (1.77").

Average rainfall days in May
Penbryn, PA

Average rainfall days in May - Penbryn, PA
  • Average rainfall days in May: 19 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in May
Penbryn, PA

Average snowfall in May - Penbryn, PA
  • Average snowfall in May: 0.28"

The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Penbryn, PA

Average snowfall days in May - Penbryn, PA
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Penbryn, 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 12min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).

Average sunshine days in May
Penbryn, PA

Average sunshine days in May - Penbryn, PA
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.7 days).

Average UV index in May
Penbryn, PA

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

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

Average cloud cover in May
Penbryn, PA

Average cloud cover in May - Penbryn, PA
  • Average cloud cover in May: 51

The months with the most cloud cover are January, February and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in May
Penbryn, PA

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

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

Penbryn, Pennsylvania, USA

Weather forecast for your location

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