July weather forecastRiverdale, NJ
July
Weather in July
July, the same as June, is another warm summer month in Riverdale, New Jersey, with an average temperature varying between 68.7°F (20.4°C) and 84.2°F (29°C).Temperature
The warmest time of the year is July, with temperatures averaging a high of 84.2°F (29°C) and a low of 68.7°F (20.4°C).Heat index
For July, the heat index is appraised at a tropical 91.4°F (33°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In July, the average relative humidity in Riverdale is 70%.Rainfall
July is the month with the most rainfall. Rain falls for 11.3 days and accumulates 0.98" (25mm) of precipitation.Snowfall
May through November are months without snowfall in Riverdale.Daylight
In Riverdale, the average length of the day in July is 14h and 47min.On the first day of July in Riverdale, sunrise is at 5:29 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:14 pm EDT.
Sunshine
With an average of 10.5h 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 of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 6 in July suggests the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Riverdale, NJ
- Average high temperature in July: 84.2°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in July: 68.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in July
Riverdale, 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
Riverdale, NJ
- Average wind speed in July: 6.1mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in July
Riverdale, NJ
- Average humidity in July: 70%
The months with the highest relative humidity are February and December (76%).
The month with the lowest relative humidity is August (69%).
Average rainfall in July
Riverdale, NJ
- Average rainfall in July: 0.98"
The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in July
Riverdale, NJ
- Average rainfall days in July: 11.3 days
The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in July
Riverdale, NJ
- Average snowfall in July: 0"
The month with the highest snowfall is December (0.35").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in July
Riverdale, NJ
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Riverdale, NJ
- Average daylight in July: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in July: 10h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in July
Riverdale, NJ
- Average sunshine days in July: 16.4 days
The month with the most sunshine days is January (22.5 days).
The months with the least sunshine days are May and June (15.9 days).
Average UV index in July
Riverdale, 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
Riverdale, NJ
- Average cloud cover in July: 32
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in July
Riverdale, 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).
