May weather forecastHerbertsville, NJ
May
Weather in May
The last month of the spring, May, is a refreshing month in Herbertsville, New Jersey, with an average temperature fluctuating between 64°F (17.8°C) and 55.4°F (13°C).Temperature
The arrival of May brings a change in Herbertsville's weather, with average high-temperatures moving from April's cool 54.9°F (12.7°C) to an enjoyable 64°F (17.8°C). May nights cool to an average low-temperature of 55.4°F (13°C), a marginal decrease from its daytime equivalent.Humidity
The months with the highest humidity are May and June, with an average relative humidity of 80%.Rainfall
In Herbertsville, in May, during 16.3 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Herbertsville, during the entire year, the rain falls for 158.1 days and collects up to 34.13" (867mm) of precipitation.Snowfall
In Herbertsville, snow does not fall in May through October.Daylight
In May, the average length of the day is 14h and 25min.On the first day of the month, sunrise is at 5:55 am and sunset at 7:51 pm. On the last day of May, in Herbertsville, sunrise is at 5:29 am and sunset at 8:19 pm EDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 5 in May suggests the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Herbertsville, NJ
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 55.4°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in May
Herbertsville, 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
Herbertsville, NJ
- Average wind speed in May: 9.9mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in May
Herbertsville, 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 and November (74%).
Average rainfall in May
Herbertsville, NJ
- Average rainfall in May: 3.03"
The wettest month (with the highest rainfall) is July (3.78").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in May
Herbertsville, NJ
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in May
Herbertsville, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Herbertsville, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.4 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
Herbertsville, NJ
- Average daylight in May: 14h and 24min
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 24min).
- Average sunshine in May: 8h and 48min
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
Herbertsville, NJ
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in May
Herbertsville, 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, November and December (UV index 2).
Average cloud cover in May
Herbertsville, NJ
- Average cloud cover in May: 43
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Herbertsville, 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).





