July weather forecastPerth Amboy, NJ
July
Weather in July
July's weather in Perth Amboy, New Jersey, experiences the peak of summer with the highest temperature averages of the year. July endures the highest average temperatures, climbing to 82.8°F (28.2°C) and not dropping below 69.4°F (20.8°C), besting the temperature averages of preceding months. July is marked by hot, sunny days and warm nights, offering ideal conditions for beach-goers and sun lovers. Despite occasional thunderstorms, which are relatively common in the summer, July offers the best of the summer season for vacationers and locals alike.Temperature
July, with an average high of 82.8°F (28.2°C) and a low of 69.4°F (20.8°C), signifies the warmest month of the year.Heat index
Throughout July, the heat index is appraised at a hot 89.6°F (32°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The average relative humidity in July is 74%.Rainfall
The wettest months are July and December, with an average 3.31" (84mm) of rainfall.Snowfall
May through September are months without snowfall.Ocean temperature
In Perth Amboy, in July, the average water temperature is 72.1°F (22.3°C).Note: When thinking about a swim in 72.1°F (22.3°C) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 77°F (25°C) to 82.4°F (28°C).
Daylight
In July, the average length of the day is 14h and 44min.On the first day of July, sunrise is at 5:30 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:12 pm EDT.
Sunshine
July has the most sunshine of the year, with an average of 10.6h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In July, a daily UV index of 6 turns into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Perth Amboy, NJ
- Average high temperature in July: 82.8°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (36.9°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 (25.9°F).
Average pressure in July
Perth Amboy, 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
Perth Amboy, 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
Perth Amboy, NJ
- Average humidity in July: 74%
The months with the highest relative humidity are February and May (77%).
The months with the lowest relative humidity are March, April, August and November (73%).
Average rainfall in July
Perth Amboy, NJ
- Average rainfall in July: 3.31"
The wettest months (with the highest rainfall) are July and December (3.31").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in July
Perth Amboy, NJ
- Average rainfall days in July: 16.2 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in July
Perth Amboy, NJ
- Average snowfall in July: 0"
The month with the highest snowfall is March (3.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Perth Amboy, NJ
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in July
Perth Amboy, 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
Perth Amboy, 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 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 42min).
Average sunshine days in July
Perth Amboy, NJ
- Average sunshine days in July: 12.6 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in July
Perth Amboy, 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
Perth Amboy, NJ
- Average cloud cover in July: 30
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in July
Perth Amboy, 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).
