May weather forecastBelfast Junction, PA
May
Weather in May
The last month of the spring, May, is a pleasant month in Belfast Junction, Pennsylvania, with an average temperature varying between 68.5°F (20.3°C) and 49.8°F (9.9°C).Temperature
The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a mild 57.6°F (14.2°C) in April to a pleasant 68.5°F (20.3°C). During the month of May, Belfast Junction anticipates a mean low-temperature of 49.8°F (9.9°C).Humidity
In Belfast Junction, Pennsylvania, the average relative humidity in May is 79%.Rainfall
In Belfast Junction, in May, during 14.9 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, in Belfast Junction, there are 139.9 rainfall days, and 19.88" (505mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Belfast Junction. During 0.2 snowfall days, in May, Belfast Junction aggregates 0.31" (8mm) of snow. Throughout the year, in Belfast Junction, there are 24.7 snowfall days, and 10.94" (278mm) of snow is accumulated.Daylight
In May, the average length of the day in Belfast Junction is 14h and 28min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:31 am and sunset at 8:25 pm EDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
In Belfast Junction, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: An average UV index of 5 in May transforms into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Belfast Junction, PA
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 49.8°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in May
Belfast Junction, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Belfast Junction, 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
Belfast Junction, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Belfast Junction, PA
- Average rainfall in May: 1.89"
The wettest month (with the highest rainfall) is July (2.32").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in May
Belfast Junction, PA
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
Belfast Junction, PA
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Belfast Junction, PA
- Average snowfall days in May: 0.2 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
Belfast Junction, PA
- Average daylight in May: 14h and 30min
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 18min).
- Average sunshine in May: 8h and 18min
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
Belfast Junction, PA
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is July (13 days).
Average UV index in May
Belfast Junction, PA
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Belfast Junction, PA
- Average cloud cover in May: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Belfast Junction, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
