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
An increase in the average high-temperature marks May, moving from April's refreshing 58.1°F (14.5°C) to a pleasant 70.2°F (21.2°C). May witnesses an average low-temperature hovering around a chilly 49.3°F (9.6°C).Humidity
In May, the average relative humidity is 79%.Rainfall
In Hilliards, during May, the rain falls for 15.8 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, in Hilliards, there are 140.7 rainfall days, and 15.43" (392mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.5 snowfall days, in May, Hilliards aggregates 0.08" (2mm) of snow. Throughout the year, there are 48.2 snowfall days, and 6.85" (174mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 30min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:16 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:45 pm EDT.
Sunshine
In May, the average sunshine in Hilliards is 8.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 5 in May leads to these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May in Hilliards?
How much does it rain in May?
What is the last month it snows in Hilliards?
What is the average length of the day in May?
What time are sunrise and sunset in May in Hilliards?
How many hours of sunshine does Hilliards have in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
Hilliards, PA
- Average high temperature in May: 70.2°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in May: 49.3°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in May
Hilliards, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Hilliards, PA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in May
Hilliards, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in May
Hilliards, PA
- Average rainfall in May: 1.54"
The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is November (0.87").
Average rainfall days in May
Hilliards, PA
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in May
Hilliards, PA
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Hilliards, PA
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hilliards, 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: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in May
Hilliards, PA
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is December (17.1 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in May
Hilliards, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Hilliards, PA
- Average cloud cover in May: 49
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in May
Hilliards, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Hilliards, Pennsylvania, USA
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