May weather forecastCampbelltown, PA
May
Weather in May
May, the last month of the spring in Campbelltown, is an agreeable month, with an average temperature fluctuating between 69.8°F (21°C) and 51.3°F (10.7°C).Temperature
May's arrival sees a rise in the average high-temperature, jumping from April's refreshing 59.5°F (15.3°C) to a pleasant 69.8°F (21°C). In the month of May, Campbelltown records a consistent average low-temperature of 51.3°F (10.7°C).Humidity
February and May, with an average relative humidity of 81%, are the most humid months.Rainfall
The month with the most rainfall is May, when the rain falls for 18.4 days and typically aggregates up to 3.15" (80mm) of precipitation.Snowfall
In Campbelltown, snow does not fall in May through September.Daylight
In Campbelltown, the average length of the day in May is 14h and 26min.On the first day of May, sunrise is at 6:04 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:29 pm EDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Campbelltown, PA
- Average high temperature in May: 69.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in May: 51.3°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in May
Campbelltown, 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
Campbelltown, PA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Campbelltown, PA
- Average humidity in May: 81%
The months with the highest relative humidity are February and May (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in May
Campbelltown, PA
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in May
Campbelltown, PA
- Average rainfall days in May: 18.4 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in May
Campbelltown, PA
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Campbelltown, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Campbelltown, 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 24min).
- Average sunshine in May: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Campbelltown, PA
- Average sunshine days in May: 10 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10 days).
Average UV index in May
Campbelltown, 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
Campbelltown, PA
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Campbelltown, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are February, May, September and October (5mi).
