July weather forecastBayonne, NJ
July
Weather in July
July can be considered the pinnacle of summer in Bayonne, New Jersey. It is the hottest month of the year, with average high temperatures reaching up to 82.9°F (28.3°C). This makes July an excellent time for outdoor and water-related activities, amplified by the highest sea temperature of the year at 72.1°F (22.3°C). The humidity slightly decreases compared to June, bringing down the 'feels like' temperature and making the heat more manageable. Despite the high temperatures, rainfall continues its rhythm, though the city sees only slightly intensified weather patterns.Temperature
Bayonne records the warmest temperatures in July, averaging a high of 82.9°F (28.3°C) and a low of 69.4°F (20.8°C).Heat index
July's heat index is evaluated at a hot 89.6°F (32°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In Bayonne, the average relative humidity in July is 73%.Rainfall
The wettest months are July and December, with an average 3.35" (85mm) of rainfall.Snowfall
In Bayonne, snow does not fall in May through October.Ocean temperature
In July, the average ocean temperature is 72.1°F (22.3°C).Note: When considering a person's aversion to cold, factors like sunshine, wind, and atmospheric temperature are key. Swimming in 72.1°F (22.3°C) might be delightful. (Remember: The Olympics' swimming events have water temperatures between 77°F (25°C) and 82.4°F (28°C).)
Daylight
In Bayonne, the average length of the day in July is 14h and 45min.On the first day of the month, sunrise is at 5:29 am and sunset at 8:31 pm. On the last day of July, sunrise is at 5:53 am and sunset at 8:12 pm EDT.
Sunshine
With an average of 10.7h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 6 during July translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Beware! Reflections from sand and water can intensify the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Bayonne, NJ
- Average high temperature in July: 82.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in July: 69.4°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in July
Bayonne, NJ
- Average pressure in July: 29.96"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 July
Bayonne, NJ
- Average wind speed in July: 6.6mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in July
Bayonne, NJ
- Average humidity in July: 73%
The months with the highest relative humidity are February, May and December (76%).
The month with the lowest relative humidity is August (72%).
Average rainfall in July
Bayonne, NJ
- Average rainfall in July: 3.35"
The wettest months (with the highest rainfall) are July and December (3.35").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in July
Bayonne, NJ
- Average rainfall days in July: 16.8 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in July
Bayonne, NJ
- Average snowfall in July: 0"
The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Bayonne, NJ
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in July
Bayonne, NJ
- Average sea temperature in July: 72.1°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in July /
Average sunshine in July
Bayonne, NJ
- Average daylight in July: 14h and 42min
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 July: 10h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in July
Bayonne, NJ
- Average sunshine days in July: 12.3 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in July
Bayonne, NJ
- Average UV index in July: 6
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, March, November and December (UV index 2).
Average cloud cover in July
Bayonne, NJ
- Average cloud cover in July: 30
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in July
Bayonne, NJ
- Average visibility in July: 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).





