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 arrival of May brings a temperature shift, with the average high-temperature escalating from a refreshing 59.5°F (15.3°C) in April to a pleasant 69.8°F (21°C). May nights are marked by an average low-temperature of 51.3°F (10.7°C).Humidity
The average relative humidity in May is 80%.Rainfall
In May, the rain falls for 15.1 days. Throughout May, 1.61" (41mm) of precipitation is accumulated. In Colonial Park, during the entire year, the rain falls for 128.8 days and collects up to 15" (381mm) of precipitation.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, Colonial Park aggregates 0.04" (1mm) of snow. Throughout the year, there are 19.2 snowfall days, and 7.52" (191mm) of snow is accumulated.Daylight
In Colonial Park, the average length of the day in May is 14h and 26min.On the first day of May, sunrise is at 6:05 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:30 pm EDT.
Sunshine
In Colonial Park, the average sunshine in May is 8.4h.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 6 in May leads to these recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take precaution! The reflection from snow can almost double the UV radiation of 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 in Colonial Park?
How many days 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 long on average sun shines in May?
What is the month with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Colonial Park, PA
- Average high temperature in May: 69.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in May: 51.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in May
Colonial Park, 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 (29.94"Hg).
Average wind speed in May
Colonial Park, PA
- Average wind speed in May: 6.3mph
The windiest months (with the highest average wind speed) are March and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Colonial Park, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in May
Colonial Park, PA
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in May
Colonial Park, PA
- Average rainfall days in May: 15.1 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in May
Colonial Park, PA
- Average snowfall in May: 0.04"
The months with the highest snowfall are January and March (2.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Colonial Park, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Colonial 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 2min
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 30min).
Average sunshine days in May
Colonial Park, PA
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in May
Colonial Park, PA
- Average UV index in May: 6
The months with the highest UV index are May, June and 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
Colonial Park, PA
- Average cloud cover in May: 47
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Colonial 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).
Colonial Park, Pennsylvania, USA
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