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
Williston's warmest weather arrives in July, when temperatures average a high of 79.2°F (26.2°C) and a low of 61°F (16.1°C).Humidity
The months with the lowest humidity in Williston, New York, are May, July and August, with an average relative humidity of 77%.Rainfall
In Williston, during July, the rain falls for 18 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Williston, during the entire year, the rain falls for 161.8 days and collects up to 21.93" (557mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In July, the average length of the day in Williston is 14h and 58min.On the first day of the month, sunrise is at 5:39 am and sunset at 8:56 pm. On the last day of July, sunrise is at 6:05 am and sunset at 8:35 pm EDT.
Sunshine
July has the most sunshine of the year in Williston, with an average of 10.3h of sunshine.UV index
The month with the highest UV index in Williston is July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 6 during July translates into the following directions:
Shield from overexposure. Defense against sun-related harm is required. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What are the warmest months in Williston?
What is the average July temperature in Williston?
What is the least humid month in Williston?
What is the average humidity in July in Williston?
How many days does it rain in July in Williston?
When it does not snow in Williston?
What is the average length of the day in July in Williston?
When are sunrise and sunset in July in Williston?
What month has the most sunshine in Williston?
How long on average sun shines in July in Williston?
What is the month with the highest UV index in Williston?
What is the UV index intensity in July in Williston?
Average temperature in July
Williston, NY
- Average high temperature in July: 79.2°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in July: 61°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in July
Williston, NY
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Williston, NY
- Average wind speed in July: 6.4mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in July
Williston, NY
- Average humidity in July: 77%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are May, July and August (77%).
Average rainfall in July
Williston, NY
- Average rainfall in July: 2.2"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in July
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 February (6.8 days).
Average snowfall in July
Williston, NY
- Average snowfall in July: 0"
The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Williston, NY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Williston, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in July
Williston, NY
- Average sunshine days in July: 10.5 days
The month with the most sunshine days is June (13.4 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in July
Williston, NY
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Williston, NY
- Average cloud cover in July: 34
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in July
Williston, NY
- Average visibility in July: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Williston, New York, USA
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