Oswego Weather in December

Oswego in December sees low daytime temperatures of 3°C (37°F) and nighttime lows of -3°C (27°F). Rainfall is fairly high this month at around 121 mm (4.8 in), so pack a rain jacket to stay dry.

Rainfall in Oswego in December

Historically, December sees about 21 days of snow/rain, with a monthly average of 121 mm (4.8 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Oswego in December

Expect highs of 3°C (37°F) in Oswego in December, with nights dropping to around -3°C (27°F). The winter season takes place during December. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. Nights are well below freezing at -3°C (27°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. As one of the coldest months, it's important to layer up to stay warm. Don't let the chill catch you off-guard.

Sunshine in Oswego in December

This month is characterized by fewer sunny days, with about 68 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

December in Oswego has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Oswego's climate page.

Oswego Temperature in December

Min Temperature -3°C (27°F)  

Max Temperature 3°C (37°F)  

Chance of Rain 70%  

Precipitation 121 mm (4.8 in)  

Rainy days 21 days  

Humidity 75% *  

Sunshine 68 hours *  

Percentage Sunshine 25% *  

* Data from: Syracuse, the United States of America (53 KM, 33 Miles).

What to Wear in Oswego in December

Dress warmly and in layers for your trip to Oswego in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Oswego in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

3/10

Walking

3/10

Camping

1/10

Outdoor sports

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Oswego's climate page.

More climate data for Oswego

Temperature Rainfall Sunshine Humidity

See the full Oswego climate overview or explore weather in the United States of America.