Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July is the warmest month, with an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 69.4°F (20.8°C).Heat index
In July, the heat index is computed to be a fiery hot 96.8°F (36°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.Evaluating the heat index requires understanding its values in the shade and with gentle winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
The average relative humidity in July in Merchantville is 71%.Rainfall
In Merchantville, during July, the rain falls for 14.4 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, there are 121.5 rainfall days, and 12.44" (316mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
In Merchantville, the average length of the day in July is 14h and 41min.On the first day of July, sunrise is at 5:35 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:14 pm EDT.
Sunshine
With an average of 10.6h of sunshine, July has the most sunshine of the year in Merchantville.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Merchantville. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 6 in July translates into these instructions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the warmest month in Merchantville?
How hot is it in Merchantville in July?
What is the average humidity in July in Merchantville?
How much does it rain in Merchantville in July?
When it does not snow in Merchantville?
What is the average length of the day in July in Merchantville?
When are sunrise and sunset in July in Merchantville?
What month has the most sunshine in Merchantville?
How many hours of sunshine does Merchantville have in July?
When is the highest UV index in Merchantville?
What is the UV index reading in July in Merchantville?
Average temperature in July
Merchantville, NJ
- Average high temperature in July: 86.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.8°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 (25.5°F).
Average pressure in July
Merchantville, NJ
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in July
Merchantville, NJ
- Average wind speed in July: 5.8mph
The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in July
Merchantville, NJ
- Average humidity in July: 71%
The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (70%).
Average rainfall in July
Merchantville, NJ
- Average rainfall in July: 1.38"
The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in July
Merchantville, NJ
- Average rainfall days in July: 14.4 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in July
Merchantville, NJ
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in July
Merchantville, NJ
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Merchantville, NJ
- Average daylight in July: 14h and 4min
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 July: 10h and 4min
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
Merchantville, NJ
- Average sunshine days in July: 14 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (14 days).
Average UV index in July
Merchantville, NJ
- Average UV index in July: 6
The months with the highest UV index are May, 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 July
Merchantville, NJ
- Average cloud cover in July: 32
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in July
Merchantville, 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).
Merchantville, New Jersey, USA
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