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 transition from April to May brings a temperature rise, with average high-temperatures increasing from a comfortable 61.3°F (16.3°C) to a pleasant 71.2°F (21.8°C). Clay Hill's nights in May experience an average temperature drop to a cool 51.6°F (10.9°C).Humidity
February, May, October and December, with an average relative humidity of 79%, are the most humid months in Clay Hill, Pennsylvania.Rainfall
The month with the most rainfall in Clay Hill is May, when the rain falls for 18.8 days and typically aggregates up to 3.15" (80mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Clay Hill, the average length of the day in May is 14h and 23min.On the first day of the month, sunrise is at 6:09 am and sunset at 8:05 pm. On the last day of May, in Clay Hill, sunrise is at 5:44 am and sunset at 8:32 pm EDT.
Sunshine
In Clay Hill, the average sunshine in May is 8.6h.UV index
May through July, with an average maximum UV index of 6, are months with the highest UV index in Clay Hill. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 6 transforms into these recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What are the temperatures in Clay Hill in May?
What is the most humid month in Clay Hill?
What is the average humidity in May in Clay Hill?
What is the wettest month in Clay Hill?
How much does it rain in Clay Hill in May?
When it does not snow in Clay Hill?
Does it snow in Clay Hill in May?
How many hours of daylight does Clay Hill have in May?
What time are sunrise and sunset in May in Clay Hill?
How many hours of sunshine does Clay Hill have in May?
When is the highest UV index in Clay Hill?
How high is the UV index in May in Clay Hill?
Average temperature in May
Clay Hill, PA
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in May: 51.6°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in May
Clay Hill, PA
- Average pressure in May: 30.01"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
Clay Hill, PA
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in May
Clay Hill, PA
- Average humidity in May: 79%
The months with the highest relative humidity are February, May, October and December (79%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in May
Clay Hill, PA
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in May
Clay Hill, PA
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in May
Clay Hill, PA
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Clay Hill, PA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Clay Hill, PA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 4min
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
Clay Hill, PA
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in May
Clay Hill, 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, November and December (UV index 2).
Average cloud cover in May
Clay Hill, PA
- Average cloud cover in May: 46
The months with the most cloud cover are January, February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Clay Hill, PA
- Average visibility in May: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Clay Hill, Pennsylvania, USA
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