October weather forecast and climate
Barnum Island, NY

Weather in October

October, like September, in Barnum Island, New York, is another enjoyable autumn month, with average temperature ranging between min 55.2°F (12.9°C) and max 62.6°F (17°C).

Temperature

In Barnum Island, the average high-temperature drops, from a pleasant 72.3°F (22.4°C) in September, to a comfortable 62.6°F (17°C). The average low-temperature, in Barnum Island, is 55.2°F (12.9°C).

Humidity

In Barnum Island, the average relative humidity is 74%.

Rainfall

In Barnum Island, during 13.4 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In Barnum Island, during the entire year, the rain falls for 159.2 days and collects up to 37.17" (944mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Barnum Island. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, in Barnum Island, New York, there are 15.3 snowfall days, and 5.04" (128mm) of snow is accumulated.

Ocean temperature

In October, the average ocean temperature in Barnum Island is 63.7°F (17.6°C).
Note: For swimming, a surface water temperature of 63.7°F (17.6°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in Barnum Island, New York, is 11.1h.

Sunshine

In Barnum Island, the average sunshine in October is 6h.

UV index

In Barnum Island, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: In October, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in October in Barnum Island?

In October, the average relative humidity in Barnum Island is 74%.

How many days does it rain in October in Barnum Island?

In Barnum Island, New York, during October, the rain falls for 13.4 days and regularly aggregates up to 3.31" (84mm) of precipitation.

When does it start snowing in Barnum Island?

October is the first month it typically snows in Barnum Island. Throughout October, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow.

What is the ocean temperature in October in Barnum Island?

In Barnum Island, in October, the average water temperature is 63.7°F (17.6°C). For most, swimming in 63.7°F (17.6°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

What is the average length of the day in October in Barnum Island?

The average length of the day in October in Barnum Island is 11.1h.

How long on average sun shines in October in Barnum Island?

In October, the average sunshine in Barnum Island is 6h.

How high is the UV index in October in Barnum Island?

The average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in October
Barnum Island, NY

Average temperature in October - Barnum Island, NY
  • Average high temperature in October: 62.6°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in October: 55.2°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in October
Barnum Island, NY

Average pressure in October - Barnum Island, NY
  • Average pressure in October: 30.02"

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in October
Barnum Island, NY

Average wind speed in October - Barnum Island, NY
  • Average wind speed in October: 12.2mph

The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).

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Average humidity in October
Barnum Island, NY

Average humidity in October - Barnum Island, NY
  • Average humidity in October: 74%

Months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in October
Barnum Island, NY

Average rainfall in October - Barnum Island, NY
  • Average rainfall in October: 3.31"

The wettest month (with the highest rainfall) is July (4.17").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in October
Barnum Island, NY

Average rainfall days in October - Barnum Island, NY
  • Average rainfall days in October: 13.4 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in October
Barnum Island, NY

Average snowfall in October - Barnum Island, NY
  • Average snowfall in October: 0.2"

The month with the highest snowfall is March (1.5").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Barnum Island, NY

Average snowfall days in October - Barnum Island, NY
  • Average snowfall days in October: 0.1 days

Months with the highest number of snowfall days are January and February (4.5 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in October
Barnum Island, NY

Average sea temperature in October - Barnum Island, 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).

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Average daylight in October /
Average sunshine in October
Barnum Island, NY

Average daylight in October / Average sunshine in October - Barnum Island, NY
  • Average daylight in October: 11.1h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in October: 6h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in October
Barnum Island, NY

Average sunshine days in October - Barnum Island, NY
  • Average sunshine days in October: 16.4 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index in October
Barnum Island, NY

Average UV index in October - Barnum Island, NY
  • Average UV index in October: 4

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March and December (UV index 2).

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Average cloud cover in October
Barnum Island, NY

Average cloud cover in October - Barnum Island, NY
  • Average cloud cover in October: 40

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in October
Barnum Island, NY

Average visibility in October - Barnum Island, NY
  • Average visibility in October: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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