July weather forecastMelville, NY
July
Weather in July
July is a warm summer month in Melville, New York, with an average temperature fluctuating between 71.4°F (21.9°C) and 79.2°F (26.2°C).Temperature
In Melville, July is the warmest month, with temperatures averaging a high of 79.2°F (26.2°C) and a low of 71.4°F (21.9°C).Humidity
In July, the average relative humidity in Melville is 75%.Rainfall
The month with the most rainfall is July, when the rain falls for 14.1 days and typically aggregates up to 1.73" (44mm) of precipitation.Snowfall
In Melville, snow does not fall in June through October.Daylight
The average length of the day in July is 14h and 46min.On the first day of the month, sunrise is at 5:26 am and sunset at 8:29 pm. On the last day of July, in Melville, sunrise is at 5:49 am and sunset at 8:10 pm EDT.
Sunshine
The month with the most sunshine is July, with an average of 10.9h 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 reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: In July, the maximum UV index of 6 suggests this advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Melville, 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 (37.8°F).
- Average low temperature in July: 71.4°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 (29.7°F).
Average pressure in July
Melville, 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
Melville, NY
- Average wind speed in July: 8.7mph
The windiest month (with the highest average wind speed) is January (13.3mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).
Average humidity in July
Melville, NY
- Average humidity in July: 75%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in July
Melville, NY
- Average rainfall in July: 1.73"
The wettest month (with the highest rainfall) is July (1.73").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in July
Melville, NY
- Average rainfall days in July: 14.1 days
The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in July
Melville, NY
- Average snowfall in July: 0"
The month with the highest snowfall is March (0.35").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in July
Melville, NY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Melville, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in July
Melville, NY
- Average sunshine days in July: 14.3 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (14 days).
Average UV index in July
Melville, 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
Melville, 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
Melville, 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).





