Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May sees a rise in the average high-temperature, climbing from a mild 15.6°C (60.1°F) in April to an agreeable 21.5°C (70.7°F). Throughout the month of May, the average temperature dips to a cool 11.1°C (52°F) at night.Humidity
The average relative humidity in May in Delphi is 78%.Rainfall
In May, the rain falls for 14 days. Throughout May, 35mm (1.38") of precipitation is accumulated. Throughout the year, there are 128.6 rainfall days, and 385mm (15.16") of precipitation is accumulated.Snowfall
Months with snowfall in Delphi are January through May, November and December. May is the last month it regularly snows in Delphi. During 0.1 snowfall days, in May, Delphi aggregates 4mm (0.16") of snow. Throughout the year, in Delphi, there are 17 snowfall days, and 138mm (5.43") of snow is accumulated.Daylight
The average length of the day in May is 14h and 26min.On the first day of May, sunrise is at 6:00 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:25 pm EDT.
Sunshine
In May, the average sunshine in Delphi is 8.4h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Delphi. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 6 translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Delphi in May?
What is the average humidity in May in Delphi?
How many days does it rain in May in Delphi?
What is the last month it snows in Delphi?
What is the average length of the day in May in Delphi?
When is the sunrise / sunset in May in Delphi?
How many hours of sunshine does Delphi have in May?
What is the month with the highest UV index in Delphi?
How high is the UV index in May in Delphi?
Average temperature in May
Delphi, PA
- Average high temperature in May: 21.5°C
The warmest month (with the highest average high temperature) is July (29.2°C).
The month with the lowest average high temperature is January (1.8°C).
- Average low temperature in May: 11.1°C
The month with the highest average low temperature is July (18.5°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in May
Delphi, PA
- Average pressure in May: 1016.4mbar
The month with the highest atmospheric pressure is November (1020.1mbar).
The month with the lowest atmospheric pressure is June (1013.8mbar).
Average wind speed in May
Delphi, PA
- Average wind speed in May: 10.1km/h
The windiest month (with the highest average wind speed) is March (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).
Average humidity in May
Delphi, PA
- Average humidity in May: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in May
Delphi, PA
- Average rainfall in May: 35mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is January (22mm).
Average rainfall days in May
Delphi, PA
- Average rainfall days in May: 14 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in May
Delphi, PA
- Average snowfall in May: 4mm
The month with the highest snowfall is March (37mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Delphi, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Delphi, PA
- Average daylight in May: 14h and 2min
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 2min
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 36min).
Average sunshine days in May
Delphi, PA
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in May
Delphi, PA
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (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
Delphi, PA
- Average cloud cover in May: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Delphi, PA
- Average visibility in May: 8km
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (9km).
The months with the lowest visibility are May and September (8km).
Delphi, Pennsylvania, USA
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