August weather forecastCold Spring Harbor, NY
August
Weather in August
The last month of the summer, August, is another warm month in Cold Spring Harbor, New York, with an average temperature fluctuating between 70.9°F (21.6°C) and 79.2°F (26.2°C).Temperature
Stepping into August, Cold Spring Harbor records an average high-temperature of a still moderately hot 79.2°F (26.2°C), almost consistent with July. Cold Spring Harbor sustains an average of approximately an agreeable 70.9°F (21.6°C) during August nights, with little variation from daytime highs.Humidity
The average relative humidity in August is 72%.Rainfall
In Cold Spring Harbor, during August, the rain falls for 16 days and regularly aggregates up to 3.58" (91mm) of precipitation. Throughout the year, there are 152.5 rainfall days, and 35.04" (890mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Ocean temperature
The month with the warmest seawater in Cold Spring Harbor is August, with an average ocean temperature of 73.9°F (23.3°C).Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 73.9°F (23.3°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)
Daylight
In Cold Spring Harbor, the average length of the day in August is 13h and 45min.On the first day of August, sunrise is at 5:50 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:27 pm EDT.
Sunshine
The average sunshine in August is 10.5h.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 exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 6 in August translates into this advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Cold Spring Harbor, NY
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in August: 70.9°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in August
Cold Spring Harbor, NY
- Average pressure in August: 29.98"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 August
Cold Spring Harbor, NY
- Average wind speed in August: 8mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in August
Cold Spring Harbor, NY
- Average humidity in August: 72%
The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).
Average rainfall in August
Cold Spring Harbor, NY
- Average rainfall in August: 3.58"
The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days in August
Cold Spring Harbor, NY
- Average rainfall days in August: 16 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in August
Cold Spring Harbor, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Cold Spring Harbor, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Cold Spring Harbor, NY
- Average sea temperature in August: 74°F
The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in August /
Average sunshine in August
Cold Spring Harbor, NY
- Average daylight in August: 13h 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 August: 10h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Cold Spring Harbor, NY
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in August
Cold Spring Harbor, NY
- Average UV index in August: 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, November and December (UV index 2).
Average cloud cover in August
Cold Spring Harbor, NY
- Average cloud cover in August: 29
The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in August
Cold Spring Harbor, NY
- Average visibility in August: 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).
