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's arrival signals a temperature shift, moving from a refreshing 60.3°F (15.7°C) in April to a pleasant 70.9°F (21.6°C). In May, Mechanics Valley experiences an average nighttime temperature of 52.7°F (11.5°C).Humidity
In Mechanics Valley, the average relative humidity in May is 77%.Rainfall
In Mechanics Valley, Pennsylvania, in May, it is raining for 17.1 days, with typically 2.72" (69mm) of accumulated precipitation. In Mechanics Valley, during the entire year, the rain falls for 158.6 days and collects up to 28.31" (719mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Mechanics Valley. May is the last month it regularly snows. During 0.1 snowfall days, in May, Mechanics Valley aggregates 0.24" (6mm) of snow. In Mechanics Valley, during the entire year, snow falls for 24.6 days and aggregates up to 10.24" (260mm) of snow.Daylight
In May, the average length of the day in Mechanics Valley is 14h and 26min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:56 pm. On the last day of May, in Mechanics Valley, sunrise is at 5:32 am and sunset at 8:23 pm EDT.
Sunshine
In May, the average sunshine in Mechanics Valley is 8.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In May, a regular UV index of 6 translates into these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the temperature in May in Mechanics Valley?
What is the average humidity in May in Mechanics Valley?
How much does it rain in Mechanics Valley in May?
What is the last month it snows in Mechanics Valley?
What is the average length of the day in May in Mechanics Valley?
When are sunrise and sunset in May in Mechanics Valley?
How long on average sun shines in May in Mechanics Valley?
What are the months with the highest UV index in Mechanics Valley?
What is the UV index intensity in May in Mechanics Valley?
Average temperature in May
Mechanics Valley, PA
- Average high temperature in May: 70.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in May
Mechanics Valley, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Mechanics Valley, PA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Mechanics Valley, PA
- Average humidity in May: 77%
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Mechanics Valley, PA
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in May
Mechanics Valley, PA
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in May
Mechanics Valley, PA
- Average snowfall in May: 0.24"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Mechanics Valley, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mechanics Valley, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Mechanics Valley, PA
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in May
Mechanics Valley, 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
Mechanics Valley, PA
- Average cloud cover in May: 47
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Mechanics Valley, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Mechanics Valley, Pennsylvania, USA
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