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 shift into May brings an increase in the average high-temperature, moving from a fresh 54.1°F (12.3°C) in April to a comfortable 66.2°F (19°C). The nights of May anticipate an average low-temperature of 48°F (8.9°C).Humidity
The months with the lowest humidity in Guys Mills are April and May, with an average relative humidity of 80%.Rainfall
In May, the rain falls for 18.6 days. Throughout May, 3.19" (81mm) of precipitation is accumulated. Throughout the year, there are 177.7 rainfall days, and 36.85" (936mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Guys Mills aggregates 0.2" (5mm) of snow. In Guys Mills, during the entire year, snow falls for 88.8 days and aggregates up to 45.98" (1168mm) of snow.Daylight
In May, the average length of the day in Guys Mills is 14h and 33min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:18 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:47 pm EDT.
Sunshine
The average sunshine in May is 8.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 5 in May leads to these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Guys Mills in May?
What are the least humid months?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Guys Mills have in May?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
Guys Mills, PA
- Average high temperature in May: 66.2°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in May: 48°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 (18.1°F).
Average pressure in May
Guys Mills, PA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Guys Mills, PA
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in May
Guys Mills, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (90%).
The months with the lowest relative humidity are April and May (80%).
Average rainfall in May
Guys Mills, PA
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is April (3.62").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in May
Guys Mills, PA
- Average rainfall days in May: 18.6 days
The months with the highest number of rainy days are June and July (18.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in May
Guys Mills, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is December (10.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Guys Mills, PA
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Guys Mills, 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 12min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in May
Guys Mills, PA
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is September (11.6 days).
The month with the least sunshine days is January (5.1 days).
Average UV index in May
Guys Mills, 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 February and December (UV index 1).
Average cloud cover in May
Guys Mills, PA
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in May
Guys Mills, PA
- Average visibility in May: 5mi
The months with the highest visibility are April and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Guys Mills, Pennsylvania, USA
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