May weather forecastSouth Canaan, PA
May
Weather in May
The last month of the spring, May, is a comfortable month in South Canaan, Pennsylvania, with an average temperature fluctuating between 66.6°F (19.2°C) and 46°F (7.8°C).Temperature
May brings an increase in the average high-temperature, progressing from a cool 53.8°F (12.1°C) in April to a refreshing 66.6°F (19.2°C). May witnesses an average low-temperature hovering around a frosty 46°F (7.8°C).Humidity
In South Canaan, the average relative humidity in May is 79%.Rainfall
The wettest months in South Canaan are May and August, with an average 2.48" (63mm) of rainfall.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.4 snowfall days, in May, South Canaan aggregates 0.39" (10mm) of snow. In South Canaan, during the entire year, snow falls for 68.4 days and aggregates up to 25.98" (660mm) of snow.Daylight
In May, the average length of the day is 14h and 32min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:30 am and sunset at 8:28 pm EDT.
Sunshine
In South Canaan, the average sunshine in May is 7.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. 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
South Canaan, PA
- Average high temperature in May: 66.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in May
South Canaan, 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
South Canaan, PA
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
South Canaan, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in May
South Canaan, PA
- Average rainfall in May: 2.48"
The wettest months (with the highest rainfall) are May and August (2.48").
The driest months (with the least rainfall) are January and September (1.65").
Average rainfall days in May
South Canaan, PA
- Average rainfall days in May: 16.3 days
The months with the highest number of rainy days are April and May (16.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in May
South Canaan, PA
- Average snowfall in May: 0.39"
The month with the highest snowfall is January (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
South Canaan, PA
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
South Canaan, 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 12min).
- Average sunshine in May: 7h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in May
South Canaan, PA
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is April (9.6 days).
Average UV index in May
South Canaan, 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
South Canaan, PA
- Average cloud cover in May: 53
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 39).
Average visibility in May
South Canaan, 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).
