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
The month of July, characterized by an average high of 80.8°F (27.1°C) and a low of 58.6°F (14.8°C), is recognized as the warmest.Heat index
The heat index value during July is computed to be a tropical 86°F (30°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
In July, the average relative humidity is 76%.Rainfall
July is the month with the most rainfall. Rain falls for 13.3 days and accumulates 2.01" (51mm) of precipitation.Snowfall
In Greenwich, snow does not fall in June through September.Daylight
In Greenwich, the average length of the day in July is 14h and 59min.On the first day of July, sunrise is at 5:18 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:16 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 May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In July, the maximum UV index of 5 suggests these recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month?
What is the usual temperature for Greenwich in July?
What is the average humidity in July?
What is the wettest month in Greenwich?
How many days does it rain in July?
When it does not snow?
How many hours of daylight does Greenwich have in July?
When is the sunrise / sunset in July?
What month has the most sunshine?
How long on average sun shines in July?
What are the months with the highest UV index?
How high is the UV index in July?
Average temperature in July
Greenwich, NY
- Average high temperature in July: 80.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in July: 58.6°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in July
Greenwich, NY
- Average pressure in July: 29.94"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Greenwich, NY
- Average wind speed in July: 5.4mph
The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in July
Greenwich, NY
- Average humidity in July: 76%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall in July
Greenwich, NY
- Average rainfall in July: 2.01"
The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is March (1.1").
Average rainfall days in July
Greenwich, NY
- Average rainfall days in July: 13.3 days
The month with the highest number of rainy days is June (14.1 days).
The month with the least rainy days is January (4 days).
Average snowfall in July
Greenwich, NY
- Average snowfall in July: 0"
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Greenwich, NY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Greenwich, NY
- Average daylight in July: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in July: 10h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in July
Greenwich, NY
- Average sunshine days in July: 15.4 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in July
Greenwich, NY
- Average UV index in July: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Greenwich, NY
- Average cloud cover in July: 33
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in July
Greenwich, NY
- Average visibility in July: 5mi
The months with the highest visibility are January, March, April, May, October, November and December (6mi).
The months with the lowest visibility are February, June, July, August and September (5mi).
Greenwich, New York, USA
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