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
The arrival of May signals an increase in the average high-temperature, moving from a mild 56.8°F (13.8°C) in April to a pleasant 68.9°F (20.5°C). In Marchand, May's nights observe an average temperature dip to a chilly 48.4°F (9.1°C).Humidity
In May, the average relative humidity is 79%.Rainfall
In Marchand, in May, during 18 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 151.9 rainfall days, and 22.13" (562mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Marchand aggregates 0.55" (14mm) of snow. Throughout the year, there are 71 snowfall days, and 22.32" (567mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 29min.On the first day of May in Marchand, sunrise is at 6:13 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:41 pm EDT.
Sunshine
In May, the average sunshine is 8.1h.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 medium health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 5 during May leads to these advisories:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Marchand in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Marchand have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Marchand have in May?
What are the months with the highest UV index?
What is the UV index reading in May in Marchand?
Average temperature in May
Marchand, PA
- Average high temperature in May: 68.9°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in May: 48.4°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
Marchand, 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
Marchand, PA
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Marchand, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).
Average rainfall in May
Marchand, PA
- Average rainfall in May: 2.36"
The wettest month (with the highest rainfall) is April (2.48").
The driest month (with the least rainfall) is November (1.26").
Average rainfall days in May
Marchand, PA
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in May
Marchand, PA
- Average snowfall in May: 0.55"
The month with the highest snowfall is January (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Marchand, PA
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Marchand, PA
- Average daylight in May: 14h and 3min
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 18min).
- Average sunshine in May: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in May
Marchand, PA
- Average sunshine days in May: 10.7 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in May
Marchand, 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
Marchand, PA
- Average cloud cover in May: 50
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in May
Marchand, 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).
Marchand, Pennsylvania, USA
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