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
In Mount Vernon, July records the highest average temperatures, peaking at 83.5°F (28.6°C) and reaching a low of 69.4°F (20.8°C).Heat index
July's mean heat index is calculated to be a tropical 89.6°F (32°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely vital to babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in July is 71%.Rainfall
July is the month with the most rainfall. Rain falls for 18.2 days and accumulates 3.74" (95mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in July is 14h and 46min.On the first day of July, sunrise is at 5:27 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:12 pm EDT.
Sunshine
The month with the most sunshine is July, with an average of 10.5h 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 threat to health from exposure to the Sun's UV rays for the average person.Note: In July, an average UV index of 6 transforms into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest?
How hot is it in July?
What is the average humidity in July?
What is the rainiest month?
How many days does it rain in July?
When it does not snow?
What is the average length of the day in July?
What time are sunrise and sunset in July?
What month has the most sunshine?
How many hours of sunshine does Mount Vernon have in July?
What are the months with the highest UV index in Mount Vernon?
How high is the UV index in July?
Average temperature in July
Mount Vernon, NY
- Average high temperature in July: 83.5°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36.1°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 (25.7°F).
Average pressure in July
Mount Vernon, NY
- 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
Mount Vernon, NY
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in July
Mount Vernon, NY
- Average humidity in July: 71%
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (69%).
Average rainfall in July
Mount Vernon, NY
- Average rainfall in July: 3.74"
The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in July
Mount Vernon, NY
- Average rainfall days in July: 18.2 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (8 days).
Average snowfall in July
Mount Vernon, NY
- Average snowfall in July: 0"
The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Mount Vernon, NY
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (5 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
Mount Vernon, NY
- Average daylight in July: 14h and 5min
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 3min
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 48min).
Average sunshine days in July
Mount Vernon, NY
- Average sunshine days in July: 10.7 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in July
Mount Vernon, NY
- 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
Mount Vernon, NY
- Average cloud cover in July: 31
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in July
Mount Vernon, NY
- 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).
Mount Vernon, New York, USA
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