May weather forecastSunbury, PA
May
Weather in May
May, the last month of the spring in Sunbury, is an agreeable month, with an average temperature ranging between max 69.4°F (20.8°C) and min 49.3°F (9.6°C).Temperature
Sunbury's transition into May is marked by a temperature shift, moving from a refreshing 58.1°F (14.5°C) in April to a pleasant 69.4°F (20.8°C). The average low-temperature of 49.3°F (9.6°C) is witnessed during May.Humidity
The average relative humidity in May is 80%.Rainfall
In May, the rain falls for 14.7 days. Throughout May, 1.42" (36mm) of precipitation is accumulated. In Sunbury, during the entire year, the rain falls for 133.4 days and collects up to 13.15" (334mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Sunbury aggregates 0.04" (1mm) of snow. In Sunbury, during the entire year, snow falls for 32.1 days and aggregates up to 4.76" (121mm) of snow.Daylight
The average length of the day in May is 14h and 29min.On the first day of May, sunrise is at 6:04 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:32 pm EDT.
Sunshine
The average sunshine in May is 8.4h.UV index
In Sunbury, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during May translates into the following guidance:
Act with care - Obligation to protect against skin and eye damage is highlighted. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sunbury, PA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in May: 49.3°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in May
Sunbury, 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
Sunbury, PA
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in May
Sunbury, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in May
Sunbury, PA
- Average rainfall in May: 1.42"
The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in May
Sunbury, PA
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in May
Sunbury, PA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Sunbury, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sunbury, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).
Average sunshine days in May
Sunbury, PA
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in May
Sunbury, PA
- Average UV index in May: 5
The month with the highest UV index is 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
Sunbury, PA
- Average cloud cover in May: 47
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Sunbury, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).





