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
A shift in the average high-temperature is noticeable in May, changing from a mild 60.6°F (15.9°C) in April to an agreeable 72.1°F (22.3°C). The temperature in McDonald dips to an average of 51.1°F (10.6°C) during May nights.Humidity
In May, the average relative humidity is 78%.Rainfall
May is the month with the most rainfall in McDonald. Rain falls for 19.6 days and accumulates 2.8" (71mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in McDonald, Pennsylvania. During 0.3 snowfall days, in May, McDonald aggregates 0.08" (2mm) of snow. Throughout the year, there are 55.6 snowfall days, and 13.62" (346mm) of snow is accumulated.Daylight
In May, the average length of the day in McDonald is 14h and 26min.On the first day of the month, sunrise is at 6:19 am and sunset at 8:16 pm. On the last day of May, in McDonald, sunrise is at 5:53 am and sunset at 8:44 pm EDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
The months with the highest UV index in McDonald are May through July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In May, a daily UV index of 6 turns into the following recommendations:
Fend off overexposure. Sun protection is vital. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What are the temperatures in McDonald in May?
What is the average humidity in May in McDonald?
What is the rainiest month in McDonald?
How many days does it rain in May in McDonald?
What is the last month it snows in McDonald?
How many hours of daylight does McDonald have in May?
When are sunrise and sunset in May in McDonald?
How long on average sun shines in May in McDonald?
When is the highest UV index in McDonald?
What is the UV index reading in May in McDonald?
Average temperature in May
McDonald, PA
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in May
McDonald, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
McDonald, PA
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in May
McDonald, PA
- Average humidity in May: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in May
McDonald, PA
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in May
McDonald, PA
- Average rainfall days in May: 19.6 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in May
McDonald, PA
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
McDonald, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
McDonald, 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 18min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
McDonald, PA
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in May
McDonald, PA
- Average UV index in May: 6
The months with the highest UV index are May, June and July (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
McDonald, PA
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
McDonald, PA
- Average visibility in May: 5mi
The months with the highest visibility are April, August and November (6mi).
The month with the lowest visibility is February (4mi).
McDonald, Pennsylvania, USA
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