July weather forecastJersey City, NJ
July
Weather in July
July, the heart of summer in Jersey City experiences the pinnacle of warmth with temperatures soaring to the annual high of 82.9°F (28.3°C). The city basks in long, sunlit days and high humidity envelops the cityscape. Despite the occasionally high heat, the clear skies and gentle breezes are ideal conditions for engaging in outdoor events and activities.Temperature
During the warmest month in Jersey City, July, temperatures average a high of 82.9°F (28.3°C) and a low of 69.3°F (20.7°C).Heat index
During July, the heat index is calculated to be a hot 89.6°F (32°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in July is 72%.Rainfall
In July, the rain falls for 17.9 days. Throughout July, 3.62" (92mm) of precipitation is accumulated. In Jersey City, during the entire year, the rain falls for 163.4 days and collects up to 34.84" (885mm) of precipitation.Snowfall
In Jersey City, snow does not fall in May through October.Ocean temperature
In July, the average ocean temperature is 72.1°F (22.3°C).Note: Considering one's resistance to cold, elements like sunshine, wind, and the prevailing temperature matter when taking a swim in 72.1°F (22.3°C) waters. (For comparison, the Olympic swimming standard is set between 77°F (25°C) and 82.4°F (28°C).)
Daylight
The average length of the day in July is 14h and 45min.On the first day of July, sunrise is at 5:29 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:12 pm EDT.
Sunshine
With an average of 10.6h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index in Jersey City are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 during July leads to these advisories:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Watch out! Sand and water enhance the UV exposure you receive.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Jersey City, 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: 69.3°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in July
Jersey City, NJ
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Jersey City, NJ
- Average wind speed in July: 6.5mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in July
Jersey City, NJ
- Average humidity in July: 72%
The months with the highest relative humidity are February and December (76%).
The month with the lowest relative humidity is August (71%).
Average rainfall in July
Jersey City, NJ
- Average rainfall in July: 3.62"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in July
Jersey City, NJ
- Average rainfall days in July: 17.9 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9 days).
Average snowfall in July
Jersey City, NJ
- Average snowfall in July: 0"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Jersey City, NJ
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in July
Jersey City, 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
Jersey City, NJ
- Average daylight in July: 14h and 48min
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 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in July
Jersey City, NJ
- Average sunshine days in July: 11.3 days
The month with the most sunshine days is January (17.8 days).
The months with the least sunshine days are June and July (11.3 days).
Average UV index in July
Jersey City, 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
Jersey City, NJ
- Average cloud cover in July: 30
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in July
Jersey City, 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).
