July weather forecastSouthold, NY
July
Weather in July
July in Southold, New York, is a warm summer month, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 70.3°F (21.3°C).Temperature
As June transitions into July, a subtle temperature shift is observed, with average highs adjusting from a comfortable 67.6°F (19.8°C) to a moderately hot 75.7°F (24.3°C). In July, Southold experiences a marginal drop in temperature, with averages of 70.3°F (21.3°C) at night.Humidity
In Southold, New York, the average relative humidity in July is 80%.Rainfall
In Southold, in July, during 14.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 154.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.Snowfall
In Southold, snow does not fall in April through October.Daylight
The average length of the day in July in Southold is 14h and 47min.On the first day of July in Southold, sunrise is at 5:21 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:06 pm EDT.
Sunshine
July and August, with an average of 10.6h of sunshine, are months with the most sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Southold. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: In July, the maximum UV index of 6 translates into these guidelines:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Southold, 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
Southold, 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
Southold, 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
Southold, 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
Southold, 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
Southold, 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
Southold, 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
Southold, 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 daylight in July /
Average sunshine in July
Southold, 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
Southold, 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
Southold, 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
Southold, 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
Southold, 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).





