May weather forecastClifford, PA
May
Weather in May
May, the last month of the spring in Clifford, is an enjoyable month, with an average temperature ranging between min 46.2°F (7.9°C) and max 66.6°F (19.2°C).Temperature
With the onset of May, Clifford's weather sees a temperature rise, transitioning from a cool 53.4°F (11.9°C) in April to a comfortable 66.6°F (19.2°C). In May, Clifford encounters an average low-temperature of 46.2°F (7.9°C) during the night.Humidity
The average relative humidity in May in Clifford is 79%.Rainfall
In Clifford, Pennsylvania, in May, during 16.7 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, there are 152.2 rainfall days, and 23.94" (608mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Clifford aggregates 0.47" (12mm) of snow. In Clifford, during the entire year, snow falls for 71.7 days and aggregates up to 26.81" (681mm) of snow.Daylight
The average length of the day in May in Clifford is 14h and 33min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:00 pm. On the last day of May, sunrise is at 5:30 am and sunset at 8:29 pm EDT.
Sunshine
In May, the average sunshine is 8h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 5 in May leads to these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Clifford, PA
- Average high temperature in May: 66.6°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in May: 46.2°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in May
Clifford, 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 (29.93"Hg).
Average wind speed in May
Clifford, PA
- Average wind speed in May: 6.9mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Clifford, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).
Average rainfall in May
Clifford, PA
- Average rainfall in May: 2.44"
The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in May
Clifford, PA
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in May
Clifford, PA
- Average snowfall in May: 0.47"
The month with the highest snowfall is March (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Clifford, PA
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Clifford, PA
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in May
Clifford, PA
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in May
Clifford, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Clifford, PA
- Average cloud cover in May: 52
The months with the most cloud cover are January, February and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in May
Clifford, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





