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
As May sets, the average high-temperature shows an increase, moving up from a refreshing 60.3°F (15.7°C) in April to an agreeable 70.9°F (21.6°C). May generally records an average low-temperature of 52.7°F (11.5°C).Humidity
In May, the average relative humidity is 78%.Rainfall
In May, the rain falls for 16.8 days. Throughout May, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 158.5 rainfall days, and 28.31" (719mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Deer Park aggregates 0.28" (7mm) of snow. In Deer Park, during the entire year, snow falls for 23 days and aggregates up to 9.45" (240mm) 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 5:58 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:23 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In May, the maximum UV index of 6 translates into these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Deer Park have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index?
How high is the UV index in May?
Average temperature in May
Deer Park, PA
- Average high temperature in May: 70.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in May
Deer Park, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Deer Park, PA
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Deer Park, PA
- Average humidity in May: 78%
The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in May
Deer Park, PA
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is July (2.99").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in May
Deer Park, PA
- Average rainfall days in May: 16.8 days
The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in May
Deer Park, PA
- Average snowfall in May: 0.28"
The month with the highest snowfall is March (2.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Deer Park, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (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
Deer Park, 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 24min).
- Average sunshine in May: 8h and 3min
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 42min).
Average sunshine days in May
Deer Park, PA
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in May
Deer Park, PA
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (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
Deer Park, PA
- Average cloud cover in May: 47
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Deer Park, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Deer Park, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location