January weather forecast
Oswego, NY

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 January

January, like December, is another subzero cold winter month in Oswego, New York, with an average temperature ranging between min 21.7°F (-5.7°C) and max 29.8°F (-1.2°C).

Temperature

The coldest month is January, with an average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 21.7°F (-5.7°C).

Humidity

In Oswego, the average relative humidity in January is 82%.

Rainfall

The month with the least rainfall is January, when the rain falls for 6.1 days and typically collects 2.2" (56mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Oswego. In Oswego, in January, during 11.1 snowfall days, 2.95" (75mm) of snow is typically accumulated. Throughout the year, there are 46.3 snowfall days, and 14.8" (376mm) of snow is accumulated.

Ocean temperature

In Oswego, the average water temperature is 38.3°F (3.5°C).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

The average length of the day in January in Oswego is 9h and 24min.
On the first day of the month, sunrise is at 7:38 am and sunset at 4:40 pm. On the last day of January, sunrise is at 7:22 am and sunset at 5:16 pm EST.

Sunshine

January has the least sunshine of the year in Oswego, with an average of 2.3h of sunshine.

UV index

The months with the lowest UV index in Oswego, New York, are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 1 in January transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Oswego?

With an average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 21.7°F (-5.7°C), January is the coldest month in Oswego, New York.

What is the temperature in January in Oswego?

In January, the average high-temperature is 29.8°F (-1.2°C), and the average low-temperature is 21.7°F (-5.7°C).

What is the average humidity in January in Oswego?

In Oswego, the average relative humidity in January is 82%.

What is the driest month in Oswego?

January is the month with the least rainfall. Rain falls for 6.1 days and accumulates 2.2" (56mm) of precipitation.

How many days does it rain in January in Oswego?

In Oswego, during January, the rain falls for 6.1 days and regularly aggregates up to 2.2" (56mm) of precipitation.

How many days does it snow in January in Oswego?

In January, it is snowing for 11.1 days. Throughout January, 2.95" (75mm) of snow is accumulated.

How cold is the water in January in Oswego?

In January, the average ocean temperature in Oswego is 38.3°F (3.5°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

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

In January, the average day length is 9h and 24min.

When are sunrise and sunset in January in Oswego?

In January, on the first day of the month, sunrise is at 7:38 am and sunset at 4:40 pm. On the last day of the month, in Oswego, New York, sunrise is at 7:22 am and sunset at 5:16 pm EST.

What is the month with the least sunshine in Oswego?

January has the least sunshine of the year in Oswego, New York, with an average of 2.3h of sunshine.

How long on average sun shines in January in Oswego?

In January, the average sunshine duration in Oswego is 2.3h.

What are the months with the lowest UV index in Oswego?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Oswego, New York.

What is the UV index reading in January in Oswego?

In January, the average daily maximum UV index in Oswego is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to 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 January
Oswego, NY

Average temperature in January - Oswego, NY
  • Average high temperature in January: 29.8°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 January: 21.7°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 January
Oswego, NY

Average pressure in January - Oswego, NY
  • Average pressure in January: 30.04"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 January
Oswego, NY

Average wind speed in January - Oswego, NY
  • Average wind speed in January: 15mph

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 January
Oswego, NY

Average humidity in January - Oswego, NY
  • Average humidity in January: 82%

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 January
Oswego, NY

Average rainfall in January - Oswego, NY
  • Average rainfall in January: 2.2"

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 January
Oswego, NY

Average rainfall days in January - Oswego, NY
  • Average rainfall days in January: 6.1 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 January
Oswego, NY

Average snowfall in January - Oswego, NY
  • Average snowfall in January: 2.95"

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 January
Oswego, NY

Average snowfall days in January - Oswego, NY
  • Average snowfall days in January: 11.1 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 January
Oswego, NY

Average sea temperature in January - Oswego, NY
  • Average sea temperature in January: 38.3°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 January /
Average sunshine in January
Oswego, NY

Average daylight in January / Average sunshine in January - Oswego, NY
  • Average daylight in January: 9h and 24min

The month with the longest days is June (Average daylight: 15h and 22min).
The month with the shortest days is December (Average daylight: 9h and 1min).

  • Average sunshine in January: 2h and 18min

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 January
Oswego, NY

Average sunshine days in January - Oswego, NY
  • Average sunshine days in January: 10.7 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 January
Oswego, NY

Average UV index in January - Oswego, NY
  • Average UV index in January: 1

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 January
Oswego, NY

Average cloud cover in January - Oswego, NY
  • Average cloud cover in January: 79

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 January
Oswego, NY

Average visibility in January - Oswego, NY
  • Average visibility in January: 5mi

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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