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 signals a temperature shift, moving from a mild 60.6°F (15.9°C) in April to a pleasant 70.9°F (21.6°C). In May, the average low-temperature is a fresh 53.6°F (12°C).Humidity
In Trenton, the average relative humidity in May is 77%.Rainfall
In Trenton, in May, during 17.2 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, in Trenton, there are 156.8 rainfall days, and 31.81" (808mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Trenton. During 0.1 snowfall days, in May, Trenton aggregates 0.28" (7mm) of snow. In Trenton, during the entire year, snow falls for 16.6 days and aggregates up to 8.86" (225mm) of snow.Daylight
In May, the average length of the day is 14h and 26min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:54 pm. On the last day of May, in Trenton, sunrise is at 5:31 am and sunset at 8:22 pm EDT.
Sunshine
In Trenton, the average sunshine in May is 8.7h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 6 transforms into these recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What are May temperatures in Trenton?
What is the average humidity in May in Trenton?
How many days does it rain in May in Trenton?
What is the last month it snows in Trenton?
What is the average length of the day in May in Trenton?
When is the sunrise / sunset in May in Trenton?
How long on average sun shines in May in Trenton?
When is the highest UV index in Trenton?
What is the UV index intensity in May in Trenton?
Average temperature in May
Trenton, NJ
- Average high temperature in May: 70.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in May: 53.6°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in May
Trenton, NJ
- 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 (29.93"Hg).
Average wind speed in May
Trenton, NJ
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
Trenton, NJ
- Average humidity in May: 77%
The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Trenton, NJ
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in May
Trenton, NJ
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in May
Trenton, NJ
- Average snowfall in May: 0.28"
The month with the highest snowfall is March (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Trenton, NJ
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (4.8 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, NJ
- 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Trenton, NJ
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in May
Trenton, NJ
- 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
Trenton, NJ
- Average cloud cover in May: 46
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in May
Trenton, NJ
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Trenton, New Jersey, USA
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