May weather forecastVineland, NJ
May
Weather in May
May brings the promise of summer, as Vineland's climate continues to warm up. Daytime temperatures can reach up to 70.7°F (21.5°C) with nighttime temperatures settling at a comfortable 54.7°F (12.6°C). This is the month with the highest relative humidity, peaking at 78%. As the trees start to leaf out, residents shake off their winter hibernation and begin to plan for outdoor activities, exploiting the extended daylight hours and warmer temperatures.Temperature
May's onset in Vineland, New Jersey, is marked by a temperature increase, moving from a refreshing 61.3°F (16.3°C) in April to an agreeable 70.7°F (21.5°C). Throughout May, the average low-temperature dips to a fresh 54.7°F (12.6°C).Humidity
The average relative humidity in May is 78%.Rainfall
In Vineland, in May, during 11.8 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Vineland, New Jersey, during the entire year, the rain falls for 119.7 days and collects up to 15" (381mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Vineland, the average length of the day in May is 14h and 22min.On the first day of May in Vineland, sunrise is at 6:00 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:20 pm EDT.
Sunshine
In May, the average sunshine in Vineland is 8.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 6 in May leads to these guidelines:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Vineland, NJ
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in May: 54.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in May
Vineland, NJ
- Average pressure in May: 30.02"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
Vineland, NJ
- Average wind speed in May: 7.4mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in May
Vineland, NJ
- Average humidity in May: 78%
The months with the highest relative humidity are June, September and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Vineland, NJ
- Average rainfall in May: 1.3"
The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in May
Vineland, NJ
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in May
Vineland, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Vineland, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Vineland, NJ
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 30min
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 48min).
Average sunshine days in May
Vineland, NJ
- Average sunshine days in May: 17.3 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in May
Vineland, 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, November and December (UV index 2).
Average cloud cover in May
Vineland, NJ
- Average cloud cover in May: 46
The months with the most cloud cover are February and March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in May
Vineland, NJ
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





