May weather forecastDouglassville, PA
May
Weather in May
The last month of the spring, May, is a pleasant month in Douglassville, Pennsylvania, with an average temperature fluctuating between 70.5°F (21.4°C) and 51.8°F (11°C).Temperature
In Douglassville, the onset of May comes with an increased average high-temperature, moving from April's mild 59.7°F (15.4°C) to an agreeable 70.5°F (21.4°C). The month of May records an average low-temperature of 51.8°F (11°C).Humidity
In May, the average relative humidity is 80%.Rainfall
In May, the rain falls for 17.4 days. Throughout May, 2.6" (66mm) of precipitation is accumulated. In Douglassville, Pennsylvania, during the entire year, the rain falls for 162.2 days and collects up to 27.87" (708mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Douglassville aggregates 0.28" (7mm) of snow. Throughout the year, there are 22.9 snowfall days, and 10.35" (263mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 26min.On the first day of the month, sunrise is at 6:01 am and sunset at 7:58 pm. On the last day of May, in Douglassville, sunrise is at 5:35 am and sunset at 8:26 pm EDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 6 in May leads to these guidelines:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Douglassville, PA
- Average high temperature in May: 70.5°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in May
Douglassville, 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
Douglassville, 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
Douglassville, 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
Douglassville, PA
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in May
Douglassville, PA
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in May
Douglassville, PA
- Average snowfall in May: 0.28"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Douglassville, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Douglassville, 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
Douglassville, PA
- Average sunshine days in May: 11.6 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in May
Douglassville, 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
Douglassville, PA
- Average cloud cover in May: 47
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Douglassville, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are February, May, September and October (5mi).





