October weather forecastHewlett Bay Park, NY
October
Weather in October
October, like September, in Hewlett Bay Park, New York, is another refreshing autumn month, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 54.1°F (12.3°C).Temperature
Hewlett Bay Park's weather changes with the onset of October, slightly falling from a pleasant 73.2°F (22.9°C) in September to an enjoyable 63°F (17.2°C). Hewlett Bay Park registers a steady nighttime temperature averaging a cool 54.1°F (12.3°C) throughout October.Humidity
The average relative humidity in October is 74%.Rainfall
In October, the rain falls for 11.4 days. Throughout October, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 135.3 rainfall days, and 18.62" (473mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hewlett Bay Park are January through March, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Hewlett Bay Park, New York, during the entire year, snow falls for 15.8 days and aggregates up to 2.95" (75mm) of snow.Ocean temperature
In Hewlett Bay Park, the average seawater temperature in October is 63.7°F (17.6°C).Note: For most people, swimming in water at 63.7°F (17.6°C) is not a pleasurable experience. Breathing control gets harder as the water temperature descends from 69.8°F (21°C) to 59°F (15°C).
Daylight
The average length of the day in October in Hewlett Bay Park is 11h and 7min.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 Hewlett Bay Park, sunrise is at 7:24 am and sunset at 5:52 pm EDT.
Sunshine
In Hewlett Bay Park, the average sunshine in October is 5.9h.UV index
The average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 4 during October, leads to the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Hewlett Bay Park, NY
- Average high temperature in October: 63°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in October: 54.1°F
The month with the highest average low temperature is August (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in October
Hewlett Bay Park, 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
Hewlett Bay Park, NY
- Average wind speed in October: 11.1mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in October
Hewlett Bay Park, NY
- Average humidity in October: 74%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (72%).
Average rainfall in October
Hewlett Bay Park, NY
- Average rainfall in October: 1.61"
The wettest months (with the highest rainfall) are July and August (2.32").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in October
Hewlett Bay Park, NY
- Average rainfall days in October: 11.4 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in October
Hewlett Bay Park, NY
- Average snowfall in October: 0.08"
The month with the highest snowfall is March (1.02").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in October
Hewlett Bay Park, NY
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in October
Hewlett Bay Park, 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
Hewlett Bay Park, NY
- Average daylight in October: 11h and 6min
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 October: 5h and 54min
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 October
Hewlett Bay Park, NY
- Average sunshine days in October: 17.4 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in October
Hewlett Bay Park, NY
- Average UV index in October: 4
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
Hewlett Bay Park, NY
- Average cloud cover in October: 39
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in October
Hewlett Bay Park, 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).





