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
Green Island in May experiences an increase in the average high-temperature, moving from April's mild 55.6°F (13.1°C) to an enjoyable 64.8°F (18.2°C). During May, Green Island records a consistent average nighttime temperature of 55°F (12.8°C).Humidity
The months with the highest humidity are May and June, with an average relative humidity of 80%.Rainfall
In May, the rain falls for 14.2 days. Throughout May, 1.73" (44mm) of precipitation is accumulated. Throughout the year, there are 137.7 rainfall days, and 19.09" (485mm) of precipitation is accumulated.Snowfall
In Green Island, snow does not fall in April through October.Daylight
In May, the average length of the day is 14h and 25min.On the first day of the month, sunrise is at 5:55 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:29 am and sunset at 8:18 pm EDT.
Sunshine
The average sunshine in May in Green Island is 8.8h.UV index
The average daily maximum UV index in May in Green Island is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 5 in May translates into this advice:
Ensure safety - Sun damage prevention is strongly urged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What are the most humid months?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May in Green Island?
When are sunrise and sunset in May?
How many hours of sunshine does Green Island have in May?
What is the UV index reading in May?
Average temperature in May
Green Island, NJ
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in May
Green Island, 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
Green Island, NJ
- Average wind speed in May: 9.4mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in May
Green Island, NJ
- Average humidity in May: 80%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall in May
Green Island, NJ
- Average rainfall in May: 1.73"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in May
Green Island, NJ
- Average rainfall days in May: 14.2 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (7 days).
Average snowfall in May
Green Island, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Green Island, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.4 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
Green Island, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in May
Green Island, NJ
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in May
Green Island, NJ
- Average UV index in May: 5
The months with the highest UV index are 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
Green Island, NJ
- Average cloud cover in May: 43
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in May
Green Island, 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).
Green Island, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location