Oswego
New York, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Oswego, NY

A unique view of the colorful sun rising over a calm marina in Oswego, New York, with a view of numerous boats and yachts docked along several piers
A unique view of the colorful sun rising over a calm marina in Oswego, New York, with a view of numerous boats and yachts docked along several piers
January, the same as December, in Oswego, New York, is a freezing cold winter month, with average temperature fluctuating between 30°F (-1.1°C) and 18.1°F (-7.7°C).

Temperature

The coldest month is January, with an average high-temperature of 30°F (-1.1°C) and an average low-temperature of 18.1°F (-7.7°C).

Rainfall

In Oswego, during January, the rain falls for 20.4 days and regularly aggregates up to 3.7" (93.5mm) of precipitation. Throughout the year, there are 175.1 rainfall days, and 42.5" (1078.4mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 19.4 days and accumulates 45.6" (1158.2mm) of snow.

Ocean temperature

In Oswego, the average water temperature is 38.3°F (3.5°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

In January, the average length of the day is 9.4h.

What is the coldest month in Oswego?

With an average high-temperature of 30°F (-1.1°C) and an average low-temperature of 18.1°F (-7.7°C), January is the coldest month.

What is the temperature in January in Oswego?

In January, in Oswego, New York, the average high-temperature is 30°F (-1.1°C), and the average low-temperature is 18.1°F (-7.7°C).

How many days does it rain in January in Oswego?

In Oswego, New York, during January, the rain falls for 20.4 days and regularly aggregates up to 3.7" (93.5mm) of precipitation.

How much does it snow in Oswego in January?

In Oswego, during January, snow falls for 19.4 days and regularly aggregates up to 45.6" (1158.2mm) of snow.

What is the snowiest month in Oswego?

January is the month with the most snowfall in Oswego. Snow falls for 19.4 days and accumulates 45.6" (1158.2mm) of snow.

What is the water temperature in January in Oswego?

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

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

The average length of the day in January in Oswego, New York, is 9.4h.
Average temperature in January - Oswego, NY
  • Average high temperature in January: 30°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in January: 18.1°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average rainfall in January - Oswego, NY
  • Average rainfall in January: 3.7"

The wettest month (with the highest rainfall) is November (4.4").
The driest month (with the lowest rainfall) is February (2.8").

Average rainfall days in January - Oswego, NY
  • Average rainfall days in January: 20.4 days

The month with the highest number of rainy days is January (20.4 days).
The month with the lowest number of rainy days is July (10.6 days).

Average snowfall in January - Oswego, NY
  • Average snowfall in January: 45.6"

The month with the highest snowfall is January (45.6").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in January - Oswego, NY
  • Average snowfall days in January: 19.4 days

The month with the highest number of snowfall days is January (19.4 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

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).

Average daylight in January - Oswego, NY
  • Average daylight in January: 9.4h

The month with the longest days is June (Average daylight: 15.4h).
The month with shortest days is December (Average daylight: 9h).