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 Central Islip, New York, temperatures reach their average annual highs in July, measuring 79°F (26.1°C) and a minimum average of 71.8°F (22.1°C).Humidity
In Central Islip, New York, the average relative humidity in July is 75%.Rainfall
The month with the most rainfall is July, when the rain falls for 17.9 days and typically aggregates up to 3.86" (98mm) of precipitation.Snowfall
In Central Islip, snow does not fall in April through September.Daylight
The average length of the day in July in Central Islip, New York, is 14h and 46min.On the first day of the month, sunrise is at 5:25 am and sunset at 8:28 pm. On the last day of July, in Central Islip, sunrise is at 5:49 am and sunset at 8:09 pm EDT.
Sunshine
With an average of 10.8h of sunshine, July has the most sunshine of the year.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In July, a regular UV index of 6 translates into these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month in Central Islip?
What are the temperatures in Central Islip in July?
What is the average humidity in July in Central Islip?
What is the wettest month in Central Islip?
How much does it rain in Central Islip in July?
When it does not snow in Central Islip?
How many hours of daylight does Central Islip have in July?
When is the sunrise / sunset in July in Central Islip?
What month has the most sunshine in Central Islip?
How long on average sun shines in July in Central Islip?
What is the month with the highest UV index in Central Islip?
How high is the UV index in July in Central Islip?
Average temperature in July
Central Islip, NY
- Average high temperature in July: 79°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in July: 71.8°F
The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in July
Central Islip, 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
Central Islip, NY
- Average wind speed in July: 8.6mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in July
Central Islip, NY
- Average humidity in July: 75%
The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in July
Central Islip, NY
- Average rainfall in July: 3.86"
The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in July
Central Islip, NY
- Average rainfall days in July: 17.9 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in July
Central Islip, NY
- Average snowfall in July: 0"
The month with the highest snowfall is March (1.97").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in July
Central Islip, NY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (4.2 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
Central Islip, 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 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
Central Islip, NY
- Average sunshine days in July: 11.2 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in July
Central Islip, 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
Central Islip, 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
Central Islip, 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).
Central Islip, New York, USA
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