December weather forecast and climate
Oswego, NY

What is the temperature in December in Oswego?

In December, in Oswego, New York, the average high-temperature is 35.2°F (1.8°C), and the average low-temperature is 24.8°F (-4°C).

How many days does it rain in December in Oswego?

In Oswego, in December, it is raining for 19 days, with typically 3.9" (97.8mm) of accumulated precipitation.

How many days does it snow in December in Oswego?

In Oswego, New York, in December, snow falls for 14.8 days, with typically accumulated 33.4" (848.4mm) of snow.

How cold is the water in December in Oswego?

In Oswego, in December, the average water temperature is 42.4°F (5.8°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.
Average temperature in December - Oswego, NY
  • Average high temperature in December: 35.2°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 December: 24.8°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 December - Oswego, NY
  • Average rainfall in December: 3.9"

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 December - Oswego, NY
  • Average rainfall days in December: 19 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 December - Oswego, NY
  • Average snowfall in December: 33.4"

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 December - Oswego, NY
  • Average snowfall days in December: 14.8 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 December - Oswego, NY
  • Average sea temperature in December: 42.3°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 December - Oswego, NY
  • Average daylight in December: 9h

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

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