July weather forecastRockville Centre, NY
July
Weather in July
July in Rockville Centre, New York, is a moderately hot summer month, with an average temperature varying between 71.2°F (21.8°C) and 79°F (26.1°C).Temperature
With an average high-temperature of 79°F (26.1°C) and an average low-temperature of 71.2°F (21.8°C), July is the warmest month.Humidity
In Rockville Centre, the average relative humidity in July is 76%.Rainfall
The month with the most rainfall is July, when the rain falls for 17.8 days and typically aggregates up to 4.17" (106mm) of precipitation.Snowfall
May through September are months without snowfall in Rockville Centre, New York.Daylight
In Rockville Centre, the average length of the day in July is 14h and 44min.On the first day of July in Rockville Centre, sunrise is at 5:27 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:10 pm EDT.
Sunshine
With an average of 10.8h of sunshine, July has the most sunshine of the year in Rockville Centre.UV index
The months with the highest UV index in Rockville Centre are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In July, the maximum UV index of 6 transforms into these recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Rockville Centre, 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 (37.8°F).
- Average low temperature in July: 71.2°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
Rockville Centre, NY
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Rockville Centre, NY
- Average wind speed in July: 8.9mph
The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in July
Rockville Centre, 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
Rockville Centre, NY
- Average rainfall in July: 4.17"
The wettest month (with the highest rainfall) is July (4.17").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in July
Rockville Centre, NY
- Average rainfall days in July: 17.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in July
Rockville Centre, NY
- Average snowfall in July: 0"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Rockville Centre, NY
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (4.5 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
Rockville Centre, NY
- Average daylight in July: 14h and 42min
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 48min
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
Rockville Centre, NY
- Average sunshine days in July: 10.7 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in July
Rockville Centre, 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
Rockville Centre, 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
Rockville Centre, 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).
