May weather forecastJoffre, PA
May
Weather in May
The last month of the spring, May, is an agreeable month in Joffre, Pennsylvania, with an average temperature fluctuating between 50.9°F (10.5°C) and 72.1°F (22.3°C).Temperature
The onset of May brings a temperature shift, with the average high-temperature moving from a mild 60.1°F (15.6°C) in April to an agreeable 72.1°F (22.3°C). Throughout the month of May, Joffre observes an average nighttime temperature of 50.9°F (10.5°C).Humidity
The average relative humidity in May is 78%.Rainfall
In May, the rain falls for 20.5 days. Throughout May, 3.35" (85mm) of precipitation is accumulated. In Joffre, during the entire year, the rain falls for 183.5 days and collects up to 34.37" (873mm) 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, Joffre aggregates 0.16" (4mm) of snow. Throughout the year, there are 61.6 snowfall days, and 23.9" (607mm) 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 6:19 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:45 pm EDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly 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
Joffre, PA
- Average high temperature in May: 72.1°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 (33.1°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in May
Joffre, PA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Joffre, PA
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in May
Joffre, PA
- Average humidity in May: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in May
Joffre, PA
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in May
Joffre, PA
- Average rainfall days in May: 20.5 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (10.7 days).
Average snowfall in May
Joffre, PA
- Average snowfall in May: 0.16"
The month with the highest snowfall is January (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Joffre, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Joffre, 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 18min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Joffre, PA
- Average sunshine days in May: 9 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in May
Joffre, PA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Joffre, PA
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Joffre, PA
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).
