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
Mackeyville's transition into May is marked by a rise in the average high-temperature, advancing from a moderate 56.1°F (13.4°C) in April to an agreeable 68.5°F (20.3°C). Throughout May, the temperature falls to an average low of 47.8°F (8.8°C).Humidity
The average relative humidity in May in Mackeyville is 79%.Rainfall
May is the month with the most rainfall in Mackeyville. Rain falls for 19.8 days and accumulates 3.74" (95mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Mackeyville. May is the last month it regularly snows in Mackeyville, Pennsylvania. During 0.3 snowfall days, in May, Mackeyville aggregates 0.35" (9mm) of snow. In Mackeyville, during the entire year, snow falls for 49.1 days and aggregates up to 25.55" (649mm) of snow.Daylight
The average length of the day in May is 14h and 30min.On the first day of May, sunrise is at 6:06 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:35 pm EDT.
Sunshine
In Mackeyville, 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 value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 5 in May suggests the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What is the temperature in May in Mackeyville?
What is the average humidity in May in Mackeyville?
What is the rainiest month in Mackeyville?
How many days does it rain in May in Mackeyville?
What is the last month it snows in Mackeyville?
What is the average length of the day in May in Mackeyville?
When is the sunrise / sunset in May in Mackeyville?
How many hours of sunshine does Mackeyville have in May?
When is the highest UV index in Mackeyville?
How high is the UV index in May in Mackeyville?
Average temperature in May
Mackeyville, PA
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in May
Mackeyville, PA
- Average pressure in May: 30.01"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
Mackeyville, PA
- Average wind speed in May: 6.2mph
The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Mackeyville, PA
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (76%).
Average rainfall in May
Mackeyville, PA
- Average rainfall in May: 3.74"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in May
Mackeyville, PA
- Average rainfall days in May: 19.8 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in May
Mackeyville, PA
- Average snowfall in May: 0.35"
The month with the highest snowfall is February (7.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Mackeyville, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mackeyville, 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: 7h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Mackeyville, PA
- Average sunshine days in May: 9.3 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in May
Mackeyville, 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
Mackeyville, PA
- Average cloud cover in May: 53
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in May
Mackeyville, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Mackeyville, Pennsylvania, USA
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