May weather forecastMilroy, PA
May
Weather in May
The last month of the spring, May, is a pleasant month in Milroy, Pennsylvania, with an average temperature ranging between max 69.8°F (21°C) and min 49.3°F (9.6°C).Temperature
The shift into May is marked by a rise in the average high-temperature, moving from April's mild 58.1°F (14.5°C) to an agreeable 69.8°F (21°C). Milroy observes an average nighttime low-temperature of 49.3°F (9.6°C) during the month of May.Humidity
The average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 16.6 days and accumulates 2.09" (53mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Milroy aggregates 0.12" (3mm) of snow. In Milroy, during the entire year, snow falls for 28.7 days and aggregates up to 9.76" (248mm) of snow.Daylight
In May, the average length of the day is 14h and 28min.On the first day of May, sunrise is at 6:07 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:34 pm EDT.
Sunshine
The average sunshine in May is 8.4h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 5 in May transforms into this advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Milroy, PA
- Average high temperature in May: 69.8°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in May: 49.3°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Milroy, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Milroy, PA
- Average wind speed in May: 5.9mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
Milroy, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is July (76%).
Average rainfall in May
Milroy, PA
- Average rainfall in May: 2.09"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in May
Milroy, PA
- Average rainfall days in May: 16.6 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (6 days).
Average snowfall in May
Milroy, PA
- Average snowfall in May: 0.12"
The months with the highest snowfall are January and February (2.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Milroy, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Milroy, PA
- Average daylight in May: 14h and 30min
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 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Milroy, PA
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in May
Milroy, PA
- Average UV index in May: 5
The month with the highest UV index is June (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
Milroy, PA
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Milroy, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





