May weather forecastHawthorn, PA
May
Weather in May
May, the last month of the spring in Hawthorn, is a pleasant month, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 68.5°F (20.3°C).Temperature
The transition to May introduces an increase in the average high-temperature, shifting from a refreshing 56.3°F (13.5°C) in April to a pleasant 68.5°F (20.3°C). An average low-temperature of 47.8°F (8.8°C) is recorded during the nights in May.Humidity
In May, the average relative humidity is 79%.Rainfall
In Hawthorn, in May, it is raining for 17.4 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 150.5 rainfall days, and 22.05" (560mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, Hawthorn aggregates 0.75" (19mm) of snow. Throughout the year, there are 72.4 snowfall days, and 22.28" (566mm) of snow is accumulated.Daylight
In Hawthorn, the average length of the day in May is 14h and 30min.On the first day of May, sunrise is at 6:13 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:42 pm EDT.
Sunshine
The average sunshine in May is 8.3h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 5 translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hawthorn, PA
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in May
Hawthorn, PA
- Average pressure in May: 30"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
Hawthorn, PA
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Hawthorn, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).
Average rainfall in May
Hawthorn, PA
- Average rainfall in May: 2.32"
The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is November (1.26").
Average rainfall days in May
Hawthorn, PA
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in May
Hawthorn, PA
- Average snowfall in May: 0.75"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hawthorn, PA
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hawthorn, PA
- Average daylight in May: 14h and 30min
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 18min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in May
Hawthorn, PA
- Average sunshine days in May: 10.9 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in May
Hawthorn, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Hawthorn, PA
- Average cloud cover in May: 49
The month with the most cloud cover is January (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in May
Hawthorn, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is February (4mi).





