July weather forecastShelter Island Heights, NY
July
Weather in July
July in Shelter Island Heights, New York, is a warm summer month, with an average temperature fluctuating between 75.7°F (24.3°C) and 70.3°F (21.3°C).Temperature
July witnesses a minor rise in the average high-temperature, transitioning from a refreshing 67.6°F (19.8°C) in June to a moderately hot 75.7°F (24.3°C). Nighttime temperature sees a small decrement from daytime highs, dipping to an average of 70.3°F (21.3°C) during July.Humidity
The average relative humidity in July is 80%.Rainfall
In Shelter Island Heights, in July, it is raining for 14.8 days, with typically 2.99" (76mm) of accumulated precipitation. In Shelter Island Heights, during the entire year, the rain falls for 154.1 days and collects up to 34.92" (887mm) of precipitation.Snowfall
In Shelter Island Heights, snow does not fall in April through October.Ocean temperature
In July, the average ocean temperature is 69.4°F (20.8°C).Note: The majority find it unenjoyable to swim in 69.4°F (20.8°C). Breathing becomes tougher as the water temperature descends under 69.8°F (21°C).
Daylight
The average length of the day in July is 14h and 47min.On the first day of the month, sunrise is at 5:21 am and sunset at 8:25 pm. On the last day of July, sunrise is at 5:44 am and sunset at 8:06 pm EDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.6h 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 health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 6 during July leads to these instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Shelter Island Heights, NY
- Average high temperature in July: 75.7°F
The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in July: 70.3°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in July
Shelter Island Heights, NY
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Shelter Island Heights, NY
- Average wind speed in July: 10.4mph
The windiest month (with the highest average wind speed) is January (16mph).
The calmest month (with the lowest average wind speed) is July (10.4mph).
Average humidity in July
Shelter Island Heights, NY
- Average humidity in July: 80%
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).
Average rainfall in July
Shelter Island Heights, NY
- Average rainfall in July: 2.99"
The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in July
Shelter Island Heights, NY
- Average rainfall days in July: 14.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in July
Shelter Island Heights, NY
- Average snowfall in July: 0"
The month with the highest snowfall is March (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Shelter Island Heights, NY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in July
Shelter Island Heights, NY
- Average sea temperature in July: 69.5°F
The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).
Average daylight in July /
Average sunshine in July
Shelter Island Heights, NY
- Average daylight in July: 14h and 48min
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 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in July
Shelter Island Heights, NY
- Average sunshine days in July: 14.4 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in July
Shelter Island Heights, 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
Shelter Island Heights, NY
- Average cloud cover in July: 29
The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in July
Shelter Island Heights, 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).
