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 sea temperature 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
As April transitions into May, a change in temperatures is observed, with average highs moving from a refreshing 61.7°F (16.5°C) to an agreeable 72°F (22.2°C). Throughout May, Penns Grove experiences a low-temperature average of 55.2°F (12.9°C).Humidity
The average relative humidity in May is 77%.Rainfall
In Penns Grove, in May, it is raining for 16.6 days, with typically 2.36" (60mm) of accumulated precipitation. In Penns Grove, during the entire year, the rain falls for 150.6 days and collects up to 26.46" (672mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Penns Grove. May is the last month it regularly snows in Penns Grove, New Jersey. During 0.1 snowfall days, in May, Penns Grove aggregates 0.12" (3mm) of snow. Throughout the year, in Penns Grove, New Jersey, there are 16.2 snowfall days, and 6.93" (176mm) of snow is accumulated.Ocean temperature
In May, the average ocean temperature is 54°F (12.2°C).Note: Immersing oneself in 54°F (12.2°C) at sub14°F (-10°C) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.
Daylight
In Penns Grove, New Jersey, the average length of the day in May is 14h and 23min.On the first day of the month, sunrise is at 6:01 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:35 am and sunset at 8:23 pm EDT.
Sunshine
The average sunshine in May is 8.7h.UV index
The months with the highest UV index in Penns Grove are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 6 during May translates into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What are May temperatures in Penns Grove?
What is the average humidity in May in Penns Grove?
How much does it rain in Penns Grove in May?
What is the last month it snows in Penns Grove?
How cold is the water in May in Penns Grove?
How many hours of daylight does Penns Grove have in May?
When are sunrise and sunset in May in Penns Grove?
How long on average sun shines in May in Penns Grove?
When is the highest UV index in Penns Grove?
How high is the UV index in May in Penns Grove?
Average temperature in May
Penns Grove, NJ
- Average high temperature in May: 72°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in May: 55.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in May
Penns Grove, NJ
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Penns Grove, NJ
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Penns Grove, NJ
- Average humidity in May: 77%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Penns Grove, NJ
- Average rainfall in May: 2.36"
The wettest month (with the highest rainfall) is August (2.68").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in May
Penns Grove, NJ
- Average rainfall days in May: 16.6 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in May
Penns Grove, NJ
- Average snowfall in May: 0.12"
The month with the highest snowfall is March (2.2").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Penns Grove, NJ
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in May
Penns Grove, NJ
- Average sea temperature in May: 53.9°F
The best month for swimming (with the highest average sea temperature) is August (75.9°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in May /
Average sunshine in May
Penns Grove, NJ
- Average daylight in May: 14h and 2min
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: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in May
Penns Grove, 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 May (12.2 days).
Average UV index in May
Penns Grove, 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, November and December (UV index 2).
Average cloud cover in May
Penns Grove, NJ
- Average cloud cover in May: 45
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Penns Grove, 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).
Penns Grove, New Jersey, USA
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