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
As April transitions into May, Willow Grove sees a rise in the average high-temperature, moving from an enjoyable 63.3°F (17.4°C) to a pleasant 73.2°F (22.9°C). Willow Grove records a consistent low-temperature of 55.2°F (12.9°C) during May nights.Humidity
The average relative humidity in May is 80%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.1 days and typically aggregates up to 3.31" (84mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Willow Grove, the average length of the day in May is 14h and 19min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:29 pm. On the last day of May, sunrise is at 6:13 am and sunset at 8:55 pm EDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
What is the wettest month?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Willow Grove have in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
Willow Grove, KY
- Average high temperature in May: 73.2°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in May: 55.2°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in May
Willow Grove, KY
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Willow Grove, KY
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in May
Willow Grove, KY
- Average humidity in May: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are September and October (75%).
Average rainfall in May
Willow Grove, KY
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in May
Willow Grove, KY
- Average rainfall days in May: 18.1 days
The month with the highest number of rainy days is May (18.1 days).
The months with the least rainy days are February and November (9.1 days).
Average snowfall in May
Willow Grove, KY
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Willow Grove, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.8 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
Willow Grove, KY
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 8h and 4min
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 48min).
Average sunshine days in May
Willow Grove, KY
- Average sunshine days in May: 10.8 days
The months with the most sunshine days are October and November (19 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in May
Willow Grove, KY
- 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, November and December (UV index 2).
Average cloud cover in May
Willow Grove, KY
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Willow Grove, KY
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Willow Grove, Kentucky, USA
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