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
During the warmest month, July, temperatures average a high of 80.4°F (26.9°C) and a low of 71.2°F (21.8°C).Humidity
The average relative humidity in July is 74%.Rainfall
July is the month with the most rainfall. Rain falls for 18 days and accumulates 4.13" (105mm) of precipitation.Snowfall
May through September are months without snowfall in East Williston.Daylight
In East Williston, the average length of the day in July is 14h and 45min.On the first day of the month, sunrise is at 5:27 am and sunset at 8:29 pm. On the last day of July, sunrise is at 5:50 am and sunset at 8:10 pm EDT.
Sunshine
The month with the most sunshine is July, with an average of 10.8h of sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 6 during July leads to these instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest?
What is the temperature 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?
How many hours of daylight does East Williston have in July?
When is the sunrise / sunset in July?
What month has the most sunshine?
How many hours of sunshine does East Williston have in July?
What is the month with the highest UV index?
What is the UV index reading in July?
Average temperature in July
East Williston, NY
- Average high temperature in July: 80.4°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in July: 71.2°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in July
East Williston, 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
East Williston, NY
- Average wind speed in July: 8.1mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in July
East Williston, NY
- Average humidity in July: 74%
The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).
Average rainfall in July
East Williston, NY
- Average rainfall in July: 4.13"
The wettest month (with the highest rainfall) is July (4.13").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in July
East Williston, NY
- Average rainfall days in July: 18 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (8 days).
Average snowfall in July
East Williston, NY
- Average snowfall in July: 0"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
East Williston, NY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
East Williston, NY
- 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in July
East Williston, NY
- Average sunshine days in July: 10.8 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in July
East Williston, 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
East Williston, NY
- Average cloud cover in July: 28
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in July
East Williston, 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).
East Williston, New York, USA
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