May weather forecastGreendell, NJ
May
Weather in May
The last month of the spring, May, is a pleasant month in Greendell, New Jersey, with temperature in the range of an average low of 48.9°F (9.4°C) and an average high of 68.5°F (20.3°C).Temperature
As Greendell transitions into May, a rise in the average high-temperature is observed, moving from a mild 57.4°F (14.1°C) in April to an agreeable 68.5°F (20.3°C). May brings Greendell a consistent average low-temperature of 48.9°F (9.4°C).Humidity
In May, the average relative humidity is 79%.Rainfall
In Greendell, New Jersey, in May, during 17.3 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 161.1 rainfall days, and 28.98" (736mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Greendell aggregates 0.51" (13mm) of snow. Throughout the year, there are 36.8 snowfall days, and 17.52" (445mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 29min.On the first day of the month, sunrise is at 5:56 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:29 am and sunset at 8:24 pm EDT.
Sunshine
In May, the average sunshine is 8.1h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Boost your sun resistance with garments that are densely woven yet spacious. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Greendell, NJ
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in May: 48.9°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in May
Greendell, 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
Greendell, NJ
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in May
Greendell, NJ
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Greendell, NJ
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Greendell, 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 (7.5 days).
Average snowfall in May
Greendell, NJ
- Average snowfall in May: 0.51"
The months with the highest snowfall are January and February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Greendell, NJ
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Greendell, NJ
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in May
Greendell, NJ
- Average sunshine days in May: 12 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in May
Greendell, NJ
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Greendell, NJ
- Average cloud cover in May: 50
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in May
Greendell, NJ
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
