May weather forecastPennside, PA
May
Weather in May
The last month of the spring, May, is a pleasant month in Pennside, Pennsylvania, with an average temperature fluctuating between 51.4°F (10.8°C) and 70.3°F (21.3°C).Temperature
May's arrival is marked by an increase in the average high-temperature, moving from a refreshing 59.5°F (15.3°C) in April to a pleasant 70.3°F (21.3°C). Nighttime temperatures consistently average a fresh 51.4°F (10.8°C) during May.Humidity
In May, the average relative humidity is 80%.Rainfall
In Pennside, during May, the rain falls for 15.7 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Pennside, during the entire year, the rain falls for 129 days and collects up to 13.5" (343mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Pennside aggregates 0.04" (1mm) of snow. Throughout the year, there are 19.4 snowfall days, and 4.45" (113mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 26min.On the first day of May, sunrise is at 6:01 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:26 pm EDT.
Sunshine
The average sunshine in May is 8.4h.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 6 in May leads to these recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Pennside, PA
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in May
Pennside, 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
Pennside, PA
- Average wind speed in May: 6.3mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Pennside, PA
- Average humidity in May: 80%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Pennside, PA
- Average rainfall in May: 1.3"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in May
Pennside, PA
- Average rainfall days in May: 15.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in May
Pennside, PA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Pennside, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Pennside, PA
- Average daylight in May: 14h and 24min
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 24min
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).
Average sunshine days in May
Pennside, PA
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in May
Pennside, 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, March, November and December (UV index 2).
Average cloud cover in May
Pennside, PA
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Pennside, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
