May weather forecastFullerton, PA
May
Weather in May
The last month of the spring, May, is an agreeable month in Fullerton, Pennsylvania, with an average temperature ranging between max 69.4°F (20.8°C) and min 50.5°F (10.3°C).Temperature
The shift from April to May sees an increase in the average high-temperature, transitioning from a moderate 58.3°F (14.6°C) to an agreeable 69.4°F (20.8°C). An average low-temperature of 50.5°F (10.3°C) is observed during the May nights.Humidity
In May, the average relative humidity is 79%.Rainfall
In Fullerton, in May, during 16.9 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, there are 145.1 rainfall days, and 27.24" (692mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Fullerton aggregates 0.16" (4mm) of snow. Throughout the year, in Fullerton, Pennsylvania, there are 20.4 snowfall days, and 13.82" (351mm) of snow is accumulated.Daylight
In Fullerton, the average length of the day in May is 14h and 28min.On the first day of May, sunrise is at 5:59 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:26 pm EDT.
Sunshine
The average sunshine in May is 8.2h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Enhance your sun protection with tightly woven, yet airy clothing. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fullerton, PA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in May: 50.5°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 (21.6°F).
Average pressure in May
Fullerton, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Fullerton, 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 (5mph).
Average humidity in May
Fullerton, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in May
Fullerton, PA
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in May
Fullerton, PA
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in May
Fullerton, PA
- Average snowfall in May: 0.16"
The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Fullerton, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Fullerton, PA
- Average daylight in May: 14h and 30min
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 12min
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 24min).
Average sunshine days in May
Fullerton, PA
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in May
Fullerton, PA
- Average UV index in May: 5
The months with the highest UV index are 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
Fullerton, PA
- Average cloud cover in May: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Fullerton, PA
- Average visibility in May: 5mi
The months with the highest visibility are April, July and November (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September, October and December (5mi).
