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 arrival of May brings an increase in high-temperatures, moving from a refreshing 59.9°F (15.5°C) in April to an agreeable 70.3°F (21.3°C). In Hillegass, the average nighttime temperature during May is a cool 51.6°F (10.9°C).Humidity
The average relative humidity in May is 78%.Rainfall
In Hillegass, in May, it is raining for 16.8 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 155.5 rainfall days, and 28.15" (715mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Hillegass aggregates 0.16" (4mm) of snow. In Hillegass, during the entire year, snow falls for 27 days and aggregates up to 12.52" (318mm) of snow.Daylight
The average length of the day in May is 14h and 26min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:25 pm EDT.
Sunshine
The average sunshine in May is 8.2h.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 in May translates into these instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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?
How many days does it rain in May?
What is the last month it snows in Hillegass?
How many hours of daylight does Hillegass have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Hillegass have in May?
What is the month with the highest UV index?
What is the UV index reading in May?
Average temperature in May
Hillegass, PA
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in May: 51.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in May
Hillegass, 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
Hillegass, PA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Hillegass, PA
- Average humidity in May: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in May
Hillegass, PA
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in May
Hillegass, PA
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8 days).
Average snowfall in May
Hillegass, PA
- Average snowfall in May: 0.16"
The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hillegass, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hillegass, 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 18min).
- Average sunshine in May: 8h and 1min
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 30min).
Average sunshine days in May
Hillegass, PA
- Average sunshine days in May: 12.5 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is April (12 days).
Average UV index in May
Hillegass, 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, March, November and December (UV index 2).
Average cloud cover in May
Hillegass, PA
- Average cloud cover in May: 48
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Hillegass, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, May, September, October and December (5mi).
Hillegass, Pennsylvania, USA
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