May weather forecastSouth Orange, NJ
May
Weather in May
May in South Orange, New Jersey welcomes a noticeable surge in temperatures, indicating the onset of summer. Sunshine hours increase, abetting a quick rise in the UV index. May distinguishes itself by becoming the first month of the year without any snowfall. Rainfall is relatively balanced and wind speeds lessen. This month is a definite turning point, transitioning from spring to summer.Temperature
May's onset brings a rise in the average high-temperature, moving from a mild 57.9°F (14.4°C) in April to a pleasant 68.5°F (20.3°C). An average low-temperature of 53.1°F (11.7°C) is recorded during the nights in May in South Orange.Humidity
The average relative humidity in May in South Orange is 75%.Rainfall
In South Orange, in May, it is raining for 17.3 days, with typically 2.99" (76mm) of accumulated precipitation. In South Orange, during the entire year, the rain falls for 163.5 days and collects up to 33.7" (856mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In South Orange, New Jersey, the average length of the day in May is 14h and 28min.On the first day of May, sunrise is at 5:54 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:21 pm EDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
South Orange, NJ
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
South Orange, 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
South Orange, NJ
- Average wind speed in May: 7mph
The windiest months (with the highest average wind speed) are January and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
South Orange, NJ
- Average humidity in May: 75%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (71%).
Average rainfall in May
South Orange, NJ
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
South Orange, NJ
- Average rainfall days in May: 17.3 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in May
South Orange, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
South Orange, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (7.3 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
South Orange, NJ
- Average daylight in May: 14h and 30min
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 18min).
- Average sunshine in May: 8h and 42min
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 42min).
Average sunshine days in May
South Orange, NJ
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in May
South Orange, 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, March, November and December (UV index 2).
Average cloud cover in May
South Orange, NJ
- Average cloud cover in May: 45
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in May
South Orange, 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).
