May weather forecastSaint Boniface, PA
May
Weather in May
May, the last month of the spring in Saint Boniface, is a pleasant month, with temperature in the range of an average high of 68.2°F (20.1°C) and an average low of 48.7°F (9.3°C).Temperature
Observing a rise in May, the average high-temperature goes from April's moderate 56.7°F (13.7°C) to a pleasant 68.2°F (20.1°C). Saint Boniface reports an average low-temperature of 48.7°F (9.3°C) during the nights of May.Humidity
In May, the average relative humidity is 80%.Rainfall
The month with the most rainfall is May, when the rain falls for 20.2 days and typically aggregates up to 3.43" (87mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Saint Boniface. During 0.8 snowfall days, in May, Saint Boniface aggregates 0.28" (7mm) of snow. Throughout the year, there are 65 snowfall days, and 32.28" (820mm) of snow is accumulated.Daylight
In Saint Boniface, the average length of the day in May is 14h and 28min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:11 pm. On the last day of May, sunrise is at 5:45 am and sunset at 8:39 pm EDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. It's recommended to limit sun exposure when its radiation is at its peak during midday. Boost your sun resistance with garments that are densely woven yet spacious. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Saint Boniface, PA
- Average high temperature in May: 68.2°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 (30.4°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in May
Saint Boniface, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Saint Boniface, PA
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Saint Boniface, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in May
Saint Boniface, PA
- Average rainfall in May: 3.43"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in May
Saint Boniface, PA
- Average rainfall days in May: 20.2 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in May
Saint Boniface, PA
- Average snowfall in May: 0.28"
The month with the highest snowfall is January (7.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Saint Boniface, PA
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Saint Boniface, 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 24min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Saint Boniface, PA
- Average sunshine days in May: 9.6 days
The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in May
Saint Boniface, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Saint Boniface, PA
- Average cloud cover in May: 50
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in May
Saint Boniface, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).





