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
May's arrival brings a change in high-temperatures, moving from a mild 56.8°F (13.8°C) in April to a still refreshing 67.8°F (19.9°C). The average nighttime temperature lowers to a chilly 49.3°F (9.6°C) throughout May.Humidity
In Union Hill, the average relative humidity in May is 80%.Rainfall
In May, the rain falls for 18.7 days. Throughout May, 3.27" (83mm) of precipitation is accumulated. In Union Hill, during the entire year, the rain falls for 171.8 days and collects up to 34.25" (870mm) of precipitation.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, Union Hill aggregates 0.08" (2mm) of snow. In Union Hill, during the entire year, snow falls for 41.5 days and aggregates up to 20.91" (531mm) of snow.Daylight
In May, the average length of the day is 14h and 29min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:27 pm EDT.
Sunshine
In Union Hill, the average sunshine in May is 8.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Around midday, solar radiation is most harmful; hence, exposure should be limited. Opt for tightly woven and loose clothing to enhance protection from the Sun. 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 usual temperature for Union Hill in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows in Union Hill?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Union Hill have in May?
How high is the UV index in May?
Average temperature in May
Union Hill, PA
- Average high temperature in May: 67.8°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in May: 49.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Union Hill, 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
Union Hill, PA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Union Hill, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Union Hill, PA
- Average rainfall in May: 3.27"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
Union Hill, PA
- Average rainfall days in May: 18.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in May
Union Hill, PA
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Union Hill, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Union Hill, 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 July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in May
Union Hill, PA
- Average sunshine days in May: 10 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is May (10 days).
Average UV index in May
Union Hill, PA
- Average UV index in May: 5
The month with the highest UV index is 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
Union Hill, PA
- Average cloud cover in May: 50
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Union Hill, 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).
Union Hill, Pennsylvania, USA
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