Rosemont Weather in December

Rosemont in December sees low daytime temperatures of 3°C (37°F) and nighttime lows of -5°C (23°F). Rainfall is fairly high this month at around 81 mm (3.2 in), so pack a rain jacket to stay dry.

Rainfall in Rosemont in December

Looking at the last 30 years, the data shows about 13 days with snow/rain, averaging 81 mm (3.2 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Rosemont in December

Expect highs of 3°C (37°F) in Rosemont in December, with nights dropping to around -5°C (23°F). December is part of the winter season. Staying warm is the main priority this month, especially during mornings and evenings. With overnight lows of -5°C (23°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. This month is known for its biting cold, so make sure to dress warmly. Proper preparation can help you stay cozy.

Sunshine in Rosemont in December

With about 107 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Rosemont in December

Wind speeds average 5 m/s (10 knots) during December. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

December in Rosemont has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations 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 Rosemont's climate page.

Rosemont Temperature in December

Min Temperature -5°C (23°F)  

Max Temperature 3°C (37°F)  

Chance of Rain 43%  

Precipitation 81 mm (3.2 in)  

Rainy days 13 days  

Humidity 76% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 107 hours *  

Percentage Sunshine 37% *  

* Data from: Chicago, the United States of America (2 KM, 1 Miles).

What to Wear in Rosemont in December

We recommend to layer up for chilly conditions in Rosemont in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Rosemont in December

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

Swimming

5/10

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 Rosemont's climate page.

More climate data for Rosemont

Temperature Rainfall Sunshine Humidity Wind Speed

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