July weather forecastYaphank, NY
July
Weather in July
July is a moderately hot summer month in Yaphank, New York, with an average temperature fluctuating between 71.4°F (21.9°C) and 76.8°F (24.9°C).Temperature
Yaphank's transition into July is marked by a minor temperature shift, moving from an agreeable 69.3°F (20.7°C) in June to a moderately hot 76.8°F (24.9°C). Yaphank's nighttime average temperature in July drops marginally from the daytime highs, settling at an agreeable 71.4°F (21.9°C).Humidity
The average relative humidity in July is 78%.Rainfall
In Yaphank, during July, the rain falls for 16 days and regularly aggregates up to 2.87" (73mm) of precipitation. In Yaphank, during the entire year, the rain falls for 156.2 days and collects up to 30.2" (767mm) of precipitation.Snowfall
In Yaphank, snow does not fall in May through October.Daylight
In Yaphank, the average length of the day in July is 14h and 46min.On the first day of the month, sunrise is at 5:24 am and sunset at 8:27 pm. On the last day of July, sunrise is at 5:47 am and sunset at 8:08 pm EDT.
Sunshine
The months with the most sunshine in Yaphank are July and August, 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 of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 6 during July translates into these guidelines:
Deter overexposure. Protecting against the sun's effects is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Yaphank, NY
- Average high temperature in July: 76.8°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in July: 71.4°F
The months with the highest average low temperature are July and August (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in July
Yaphank, 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
Yaphank, NY
- Average wind speed in July: 9.6mph
The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest months (with the lowest average wind speed) are July and August (9.6mph).
Average humidity in July
Yaphank, NY
- Average humidity in July: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).
Average rainfall in July
Yaphank, NY
- Average rainfall in July: 2.87"
The wettest month (with the highest rainfall) is December (3.31").
The driest months (with the least rainfall) are January, February and September (2.01").
Average rainfall days in July
Yaphank, NY
- Average rainfall days in July: 16 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (9 days).
Average snowfall in July
Yaphank, NY
- Average snowfall in July: 0"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Yaphank, NY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Yaphank, 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 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in July
Yaphank, NY
- Average sunshine days in July: 13.4 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in July
Yaphank, 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
Yaphank, NY
- Average cloud cover in July: 28
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in July
Yaphank, 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).
