Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As April gives way to May, the average high-temperature displays an increase, moving from a mild 59.9°F (15.5°C) to an agreeable 70.2°F (21.2°C). An average nighttime temperature of 52.2°F (11.2°C) is observed in Blue Ball during May.Humidity
February, May and October, with an average relative humidity of 81%, are the most humid months in Blue Ball.Rainfall
In Blue Ball, during May, the rain falls for 17.7 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Blue Ball, Pennsylvania, during the entire year, the rain falls for 166.2 days and collects up to 33.46" (850mm) of precipitation.Snowfall
Months with snowfall in Blue Ball are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Blue Ball aggregates 0.08" (2mm) of snow. Throughout the year, there are 27.2 snowfall days, and 14.45" (367mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 25min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:59 pm. On the last day of May, in Blue Ball, sunrise is at 5:37 am and sunset at 8:26 pm EDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 6 during May translates into these guidelines:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What are May temperatures in Blue Ball?
What are the most humid months in Blue Ball?
What is the average humidity in May in Blue Ball?
How many days does it rain in May in Blue Ball?
What is the last month it snows in Blue Ball?
How many hours of daylight does Blue Ball have in May?
What time are sunrise and sunset in May in Blue Ball?
How long on average sun shines in May in Blue Ball?
What is the month with the highest UV index in Blue Ball?
What is the UV index reading in May in Blue Ball?
Average temperature in May
Blue Ball, PA
- Average high temperature in May: 70.2°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in May: 52.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in May
Blue Ball, 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
Blue Ball, PA
- Average wind speed in May: 6.6mph
The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Blue Ball, PA
- Average humidity in May: 81%
The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Blue Ball, PA
- Average rainfall in May: 3.03"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in May
Blue Ball, PA
- Average rainfall days in May: 17.7 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in May
Blue Ball, PA
- Average snowfall in May: 0.08"
The month with the highest snowfall is March (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Blue Ball, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Blue Ball, PA
- Average daylight in May: 14h and 2min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in May
Blue Ball, PA
- Average sunshine days in May: 10.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in May
Blue Ball, 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
Blue Ball, PA
- Average cloud cover in May: 48
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 32).
Average visibility in May
Blue Ball, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).
Blue Ball, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
