October weather forecastRoslyn Harbor, NY
October
Weather in October
October, the same as September, is another refreshing autumn month in Roslyn Harbor, New York, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 63°F (17.2°C).Temperature
The move into October indicates a reduction in the average high-temperature, down from September's warm 73.4°F (23°C) to a comfortable 63°F (17.2°C). During the month of October, Roslyn Harbor experiences a steady low-temperature average of 53.4°F (11.9°C).Humidity
The average relative humidity in October in Roslyn Harbor is 73%.Rainfall
In Roslyn Harbor, during October, the rain falls for 13.5 days and regularly aggregates up to 3.39" (86mm) of precipitation. Throughout the year, there are 165.9 rainfall days, and 37.56" (954mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Ocean temperature
In Roslyn Harbor, in October, the average water temperature is 63.7°F (17.6°C).Note: The majority of individuals find swimming in 63.7°F (17.6°C) to be unenjoyable. The difficulty in controlling breathing rises as the temperature decreases from 69.8°F (21°C) to 59°F (15°C).
Daylight
In Roslyn Harbor, the average length of the day in October is 11h and 6min.On the first day of the month, sunrise is at 6:51 am and sunset at 6:36 pm. On the last day of October, in Roslyn Harbor, sunrise is at 7:24 am and sunset at 5:51 pm EDT.
Sunshine
In Roslyn Harbor, the average sunshine in October is 5.9h.UV index
In Roslyn Harbor, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In October, the maximum UV index of 3 suggests these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Roslyn Harbor, NY
- Average high temperature in October: 63°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in October: 53.4°F
The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in October
Roslyn Harbor, NY
- Average pressure in October: 30.02"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 October
Roslyn Harbor, NY
- Average wind speed in October: 10mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in October
Roslyn Harbor, NY
- Average humidity in October: 73%
The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).
Average rainfall in October
Roslyn Harbor, NY
- Average rainfall in October: 3.39"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in October
Roslyn Harbor, NY
- Average rainfall days in October: 13.5 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in October
Roslyn Harbor, NY
- Average snowfall in October: 0"
The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Roslyn Harbor, NY
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in October
Roslyn Harbor, NY
- Average sea temperature in October: 63.7°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in October /
Average sunshine in October
Roslyn Harbor, NY
- Average daylight in October: 11h and 6min
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 October: 5h and 54min
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 October
Roslyn Harbor, NY
- Average sunshine days in October: 15.3 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in October
Roslyn Harbor, NY
- Average UV index in October: 3
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 October
Roslyn Harbor, NY
- Average cloud cover in October: 40
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in October
Roslyn Harbor, NY
- Average visibility in October: 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).
