May weather forecastDietrichtown, PA
May
Weather in May
The last month of the spring, May, is an agreeable month in Dietrichtown, Pennsylvania, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 69.6°F (20.9°C).Temperature
May comes with an increase, with the average high-temperature moving from a refreshing 58.6°F (14.8°C) in April to a pleasant 69.6°F (20.9°C). Dietrichtown records a mean low-temperature of 50.2°F (10.1°C) in May.Humidity
In May, the average relative humidity is 79%.Rainfall
In Dietrichtown, in May, during 17.3 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. In Dietrichtown, during the entire year, the rain falls for 156.5 days and collects up to 31.97" (812mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Dietrichtown aggregates 0.2" (5mm) of snow. In Dietrichtown, during the entire year, snow falls for 23.7 days and aggregates up to 13.39" (340mm) of snow.Daylight
In Dietrichtown, the average length of the day in May is 14h and 28min.On the first day of May, sunrise is at 5:58 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:25 pm EDT.
Sunshine
In Dietrichtown, the average sunshine in May is 8.4h.UV index
In Dietrichtown, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 5 during May leads to these instructions:
Exercise prevention - Warding off sunburn is urged. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Dietrichtown, PA
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in May: 50.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in May
Dietrichtown, 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
Dietrichtown, PA
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in May
Dietrichtown, PA
- Average humidity in May: 79%
The months with the highest relative humidity are February, October and December (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in May
Dietrichtown, PA
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in May
Dietrichtown, PA
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in May
Dietrichtown, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Dietrichtown, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Dietrichtown, PA
- Average daylight in May: 14h and 30min
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 18min).
- Average sunshine in May: 8h and 24min
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 30min).
Average sunshine days in May
Dietrichtown, PA
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in May
Dietrichtown, 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
Dietrichtown, PA
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Dietrichtown, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September, October and December (5mi).





