Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
In October, the average high-temperature marginally decreases from an agreeable 70.7°F (21.5°C) in September to a comfortable 62.4°F (16.9°C). In Shelter Island Heights, the nighttime temperature in October descends gently to an average of 56.3°F (13.5°C).Humidity
In October, the average relative humidity is 73%.Rainfall
In Shelter Island Heights, in October, during 13.5 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. In Shelter Island Heights, during the entire year, the rain falls for 154.1 days and collects up to 34.92" (887mm) of precipitation.Snowfall
April through October are months without snowfall in Shelter Island Heights.Ocean temperature
In Shelter Island Heights, New York, the average seawater temperature in October is 62.8°F (17.1°C).Note: For most individuals, swimming in 62.8°F (17.1°C) is not enjoyable. As the water temperature decreases from 69.8°F (21°C) to 59°F (15°C), breathing control becomes increasingly difficult.
Daylight
The average length of the day in October is 11h and 5min.On the first day of October, sunrise is at 6:46 am and sunset at 6:30 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:45 pm EDT.
Sunshine
In October, the average sunshine in Shelter Island Heights is 6.1h.UV index
The average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 4 in October transforms into this advice:
Act with care - The suggestion to avoid sunburn is emphasized. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the average October temperature in Shelter Island Heights?
What is the average humidity in October in Shelter Island Heights?
How much does it rain in Shelter Island Heights in October?
When it does not snow in Shelter Island Heights?
Does it snow in Shelter Island Heights in October?
How cold is the water in October in Shelter Island Heights?
What is the average length of the day in October in Shelter Island Heights?
What time are sunrise and sunset in October in Shelter Island Heights?
How long on average sun shines in October in Shelter Island Heights?
How high is the UV index in October in Shelter Island Heights?
Average temperature in October
Shelter Island Heights, NY
- Average high temperature in October: 62.4°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 October: 56.3°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 October
Shelter Island Heights, NY
- Average pressure in October: 30.01"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 October
Shelter Island Heights, NY
- Average wind speed in October: 14.5mph
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 October
Shelter Island Heights, NY
- Average humidity in October: 73%
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 October
Shelter Island Heights, NY
- Average rainfall in October: 3.5"
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 October
Shelter Island Heights, NY
- Average rainfall days in October: 13.5 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 October
Shelter Island Heights, NY
- Average snowfall in October: 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 October
Shelter Island Heights, NY
- Average snowfall days in October: 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 sea temperature in October
Shelter Island Heights, NY
- Average sea temperature in October: 62.8°F
The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).
Average daylight in October /
Average sunshine in October
Shelter Island Heights, NY
- Average daylight in October: 11h and 1min
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: 6h and 1min
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 October
Shelter Island Heights, NY
- Average sunshine days in October: 15.3 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 October
Shelter Island Heights, 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 and December (UV index 2).
Average cloud cover in October
Shelter Island Heights, NY
- Average cloud cover in October: 41
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 October
Shelter Island Heights, 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).
Shelter Island Heights, New York, USA
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