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
An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a mild 56.8°F (13.8°C) to a comfortable 67.6°F (19.8°C). In May, Trenton encounters an average low-temperature of 49.6°F (9.8°C) during the night.Humidity
In May, the average relative humidity in Trenton, Pennsylvania, is 81%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.2 days and typically aggregates up to 2.72" (69mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Trenton. During 0.3 snowfall days, in May, Trenton aggregates 0.31" (8mm) of snow. In Trenton, during the entire year, snow falls for 33.6 days and aggregates up to 20.67" (525mm) of snow.Daylight
In Trenton, the average length of the day in May is 14h and 29min.On the first day of May, sunrise is at 6:01 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:29 pm EDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
In May, the average daily maximum UV index in Trenton is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 during May leads to these advisories:
Ensure safety - Imperative it is to shield skin and eyes from damage. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the temperature in May in Trenton?
What is the average humidity in May in Trenton?
What is the rainiest month in Trenton?
How many days does it rain in May in Trenton?
What is the last month it snows in Trenton?
How many hours of daylight does Trenton have in May?
When is the sunrise / sunset in May in Trenton?
How many hours of sunshine does Trenton have in May?
How high is the UV index in May in Trenton?
Average temperature in May
Trenton, PA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Trenton, 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
Trenton, PA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Trenton, PA
- Average humidity in May: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Trenton, PA
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in May
Trenton, PA
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in May
Trenton, PA
- Average snowfall in May: 0.31"
The month with the highest snowfall is March (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Trenton, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Trenton, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in May
Trenton, PA
- Average sunshine days in May: 11.2 days
The months with the most sunshine days are January and November (19.6 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in May
Trenton, 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
Trenton, PA
- Average cloud cover in May: 49
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Trenton, PA
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Trenton, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
