May weather forecastEdison, NJ
May
Weather in May
Weather during May transitions into a more comfortable zone with a substantial rise in temperature. The increase in daylight hours causes a total disappearance of snowfall. The absence of snow creates more engaging outdoor scenarios where floral beauty intensifies. With May, Edison experiences a full bloom period, forming an enchanting atmosphere that is hard to miss.Temperature
As May arrives, Edison's weather shows an increase in high-temperatures, moving from April's refreshing 59.2°F (15.1°C) to an agreeable 69.4°F (20.8°C). Edison records an average low of 53.2°F (11.8°C) throughout the nights in May.Humidity
In May, the average relative humidity is 76%.Rainfall
In Edison, in May, it is raining for 16.3 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 149.9 rainfall days, and 26.93" (684mm) of precipitation is accumulated.Snowfall
In Edison, snow does not fall in May through October.Daylight
In Edison, the average length of the day in May is 14h and 27min.On the first day of May, sunrise is at 5:55 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:21 pm EDT.
Sunshine
The average sunshine in May is 8.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 6 in May translates into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Edison, NJ
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in May: 53.2°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in May
Edison, 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
Edison, NJ
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Edison, NJ
- Average humidity in May: 76%
The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is August (72%).
Average rainfall in May
Edison, NJ
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Edison, NJ
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
Edison, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is March (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Edison, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.6 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
Edison, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Edison, NJ
- Average sunshine days in May: 12.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in May
Edison, 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
Edison, NJ
- Average cloud cover in May: 46
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Edison, 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).
