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
Chatham's warmest month, July, generally records average temperatures ranging from a high of 83.7°F (28.7°C) to a low of 65.7°F (18.7°C).Heat index
The heat index for July is computed to be a hot 91.4°F (33°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.Consider that heat index readings are for situations in the shade and light wind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
In Chatham, the average relative humidity in July is 75%.Rainfall
The month with the most rainfall in Chatham, New Jersey, is July, when the rain falls for 17.4 days and typically aggregates up to 3.27" (83mm) of precipitation.Snowfall
June through September are months without snowfall in Chatham, New Jersey.Daylight
In July, the average length of the day in Chatham is 14h and 45min.On the first day of the month, sunrise is at 5:30 am and sunset at 8:32 pm. On the last day of July, sunrise is at 5:53 am and sunset at 8:13 pm EDT.
Sunshine
With an average of 10.3h 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 threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 6 in July leads to these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the hottest time of year in Chatham?
Is it hot in Chatham during July?
What is the average humidity in July in Chatham?
What is the wettest month in Chatham?
How much does it rain in Chatham in July?
When it does not snow in Chatham?
What is the average length of the day in July in Chatham?
When are sunrise and sunset in July in Chatham?
What month has the most sunshine in Chatham?
How many hours of sunshine does Chatham have in July?
What are the months with the highest UV index in Chatham?
How high is the UV index in July in Chatham?
Average temperature in July
Chatham, NJ
- Average high temperature in July: 83.7°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in July: 65.7°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in July
Chatham, 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
Chatham, NJ
- Average wind speed in July: 5.4mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in July
Chatham, NJ
- Average humidity in July: 75%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are April and August (74%).
Average rainfall in July
Chatham, NJ
- Average rainfall in July: 3.27"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in July
Chatham, NJ
- Average rainfall days in July: 17.4 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in July
Chatham, NJ
- Average snowfall in July: 0"
The month with the highest snowfall is March (3.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Chatham, NJ
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Chatham, NJ
- Average daylight in July: 14h and 5min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in July
Chatham, NJ
- Average sunshine days in July: 11.9 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in July
Chatham, 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
Chatham, NJ
- Average cloud cover in July: 34
The months with the most cloud cover are February and March (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in July
Chatham, NJ
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Chatham, New Jersey, USA
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