May weather forecastNew Gretna, NJ
May
Weather in May
May, the last month of the spring in New Gretna, is a comfortable month, with an average temperature varying between 55.9°F (13.3°C) and 65.8°F (18.8°C).Temperature
The shift from April to May sees an increase in the average high-temperature, transitioning from a moderate 56.8°F (13.8°C) to a comfortable 65.8°F (18.8°C). During the month of May, an average temperature of 55.9°F (13.3°C) is noted during the nights.Humidity
The months with the highest humidity are May and June, with an average relative humidity of 80%.Rainfall
In New Gretna, in May, during 11.4 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 113.3 rainfall days, and 11.06" (281mm) of precipitation is accumulated.Snowfall
In New Gretna, snow does not fall in April through October.Daylight
In May, the average length of the day in New Gretna is 14h and 22min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:18 pm EDT.
Sunshine
The average sunshine in May is 9h.UV index
The average daily maximum UV index in May in New Gretna is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 5 suggests these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
New Gretna, NJ
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in May
New Gretna, NJ
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
New Gretna, NJ
- Average wind speed in May: 9.4mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (7.9mph).
Average humidity in May
New Gretna, 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, April and November (74%).
Average rainfall in May
New Gretna, NJ
- Average rainfall in May: 1.02"
The wettest month (with the highest rainfall) is July (1.18").
The driest months (with the least rainfall) are January and September (0.67").
Average rainfall days in May
New Gretna, NJ
- Average rainfall days in May: 11.4 days
The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in May
New Gretna, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
New Gretna, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
New Gretna, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in May
New Gretna, NJ
- Average sunshine days in May: 17.8 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is July (15.6 days).
Average UV index in May
New Gretna, 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 and December (UV index 2).
Average cloud cover in May
New Gretna, NJ
- Average cloud cover in May: 42
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in May
New Gretna, 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).
