October weather forecast
Oswego, NY

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The colorful sun rising over a calm marina in Oswego, New York, with a view of numerous boats and yachts docked along several piers
The colorful sun rising over a calm marina in Oswego, New York, with a view of numerous boats and yachts docked along several piers

Weather in October

In October, Oswego begins to embrace the crispness of fall as temperatures and daylight hours continue to drop. Mild temperatures feature across the city, creating pleasant conditions that underline the essence of fall. A unique occurrence in October is the first trace of snowfall since April, a precursor to the upcoming winter chill. Furthermore, October stands out due to its relatively high rainfall compared to its neighboring months. As tree leaves change color and fall gently to the ground, Oswego in October finds itself slowly transitioning towards the colder months.

Temperature

The arrival of October signals a shift in temperature, down from a pleasant 68.9°F (20.5°C) in September to a moderate 57.6°F (14.2°C). Oswego maintains a consistent average nighttime low-temperature of 49.6°F (9.8°C) throughout October.

Humidity

In October, the average relative humidity is 76%.

Rainfall

In Oswego, New York, in October, it is raining for 18.1 days, with typically 3.74" (95mm) of accumulated precipitation. Throughout the year, in Oswego, there are 163 rainfall days, and 37.83" (961mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Oswego, there are 46.3 snowfall days, and 14.8" (376mm) of snow is accumulated.

Ocean temperature

In October, the average ocean temperature is 58.6°F (14.8°C).
Note: Swimming in 58.6°F (14.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In October, the average length of the day is 11h and 1min.
On the first day of October in Oswego, sunrise is at 7:04 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:58 pm EDT.

Sunshine

In Oswego, New York, the average sunshine in October is 4.6h.

UV index

In October, the average daily maximum UV index in Oswego is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 3 in October translates into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What is the average October temperature in Oswego?

The high-temperature in Oswego during October is 57.6°F (14.2°C) and the low-temperature is 49.6°F (9.8°C).

What is the average humidity in October in Oswego?

The average relative humidity in October is 76%.

How many days does it rain in October in Oswego?

In Oswego, New York, in October, during 18.1 rainfall days, 3.74" (95mm) of precipitation is typically accumulated.

When does it start snowing in Oswego?

October is the first month it typically snows in Oswego, New York. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

How cold is the water in October in Oswego?

In Oswego, the average seawater temperature in October is 58.6°F (14.8°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in October in Oswego?

In October, the average day length in Oswego is 11h and 1min.

When are sunrise and sunset in October in Oswego?

In October, on the first day of the month, sunrise is at 7:04 am and sunset at 6:46 pm. On the last day of the month, in Oswego, New York, sunrise is at 7:41 am and sunset at 5:58 pm EDT.

How many hours of sunshine does Oswego have in October?

In October, the average sunshine duration in Oswego, New York, is 4.6h.

What is the UV index intensity in October in Oswego?

The average daily maximum UV index in October in Oswego is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Oswego, NY

Average temperature in October - Oswego, NY
  • Average high temperature in October: 57.6°F

The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in October: 49.6°F

The months with the highest average low temperature are July and August (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

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Average pressure in October
Oswego, NY

Average pressure in October - Oswego, NY
  • Average pressure in October: 30"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in October
Oswego, NY

Average wind speed in October - Oswego, NY
  • Average wind speed in October: 12.9mph

The windiest month (with the highest average wind speed) is January (15mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

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Average humidity in October
Oswego, NY

Average humidity in October - Oswego, NY
  • Average humidity in October: 76%

The month with the highest relative humidity is June (83%).
The months with the lowest relative humidity are September and November (75%).

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Average rainfall in October
Oswego, NY

Average rainfall in October - Oswego, NY
  • Average rainfall in October: 3.74"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (2.2").

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Average rainfall days in October
Oswego, NY

Average rainfall days in October - Oswego, NY
  • Average rainfall days in October: 18.1 days

The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (6 days).

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Average snowfall in October
Oswego, NY

Average snowfall in October - Oswego, NY
  • Average snowfall in October: 0.04"

The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Oswego, NY

Average snowfall days in October - Oswego, NY
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in October
Oswego, NY

Average sea temperature in October - Oswego, NY
  • Average sea temperature in October: 58.6°F

The best month for swimming (with the highest average sea temperature) is August (73.2°F).
The coldest month (with the lowest average sea temperature) is March (35.4°F).

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Average daylight in October /
Average sunshine in October
Oswego, NY

Average daylight in October / Average sunshine in October - Oswego, NY
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in October
Oswego, NY

Average sunshine days in October - Oswego, NY
  • Average sunshine days in October: 11.2 days

The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is December (8.5 days).

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Average UV index in October
Oswego, NY

Average UV index in October - Oswego, NY
  • Average UV index in October: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in October
Oswego, NY

Average cloud cover in October - Oswego, NY
  • Average cloud cover in October: 53

The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in October
Oswego, NY

Average visibility in October - Oswego, NY
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

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Oswego, New York, USA

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