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 sea temperature 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
July brings a slight increase in the average high-temperature, progressing from an agreeable 70.7°F (21.5°C) in June to a moderately hot 77.9°F (25.5°C). During July, nights in West Sayville cool slightly to an average low of 71.6°F (22°C).Humidity
In July, the average relative humidity is 76%.Rainfall
In West Sayville, in July, it is raining for 17.7 days, with typically 3.62" (92mm) of accumulated precipitation. In West Sayville, during the entire year, the rain falls for 155.3 days and collects up to 34.84" (885mm) of precipitation.Snowfall
In West Sayville, snow does not fall in April, June through September and November.Ocean temperature
In West Sayville, the average seawater temperature in July is 72.1°F (22.3°C).Note: When considering a person's aversion to cold, factors like sunshine, wind, and atmospheric temperature are key. Swimming in 72.1°F (22.3°C) might be delightful. (Remember: The Olympics' swimming events have water temperatures between 77°F (25°C) and 82.4°F (28°C).)
Daylight
In West Sayville, the average length of the day in July is 14h and 45min.On the first day of the month, sunrise is at 5:25 am and sunset at 8:27 pm. On the last day of July, in West Sayville, New York, sunrise is at 5:48 am and sunset at 8:08 pm EDT.
Sunshine
With an average of 10.8h of sunshine, July has the most sunshine of the year in West Sayville.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in West Sayville. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.
Frequently asked questions
What is the average July temperature in West Sayville?
What is the average humidity in July in West Sayville?
How many days does it rain in July in West Sayville?
When it does not snow in West Sayville?
What is the ocean temperature in July in West Sayville?
How many hours of daylight does West Sayville have in July?
What time are sunrise and sunset in July in West Sayville?
What month has the most sunshine in West Sayville?
How many hours of sunshine does West Sayville have in July?
When is the highest UV index in West Sayville?
What is the UV index intensity in July in West Sayville?
Average temperature in July
West Sayville, NY
- Average high temperature in July: 77.9°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in July: 71.6°F
The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in July
West Sayville, NY
- Average pressure in July: 29.96"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
West Sayville, NY
- Average wind speed in July: 9mph
The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).
Average humidity in July
West Sayville, NY
- Average humidity in July: 76%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in July
West Sayville, NY
- Average rainfall in July: 3.62"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in July
West Sayville, NY
- Average rainfall days in July: 17.7 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in July
West Sayville, NY
- Average snowfall in July: 0"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, June, July, August, September and November (0").
Average snowfall days in July
West Sayville, NY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in July
West Sayville, NY
- Average sea temperature in July: 72.1°F
The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in July /
Average sunshine in July
West Sayville, 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
West Sayville, NY
- Average sunshine days in July: 11.3 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in July
West Sayville, 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 and December (UV index 2).
Average cloud cover in July
West Sayville, NY
- Average cloud cover in July: 28
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in July
West Sayville, 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).
West Sayville, New York, USA
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