Alcoa Weather in December

December in Alcoa brings low temperatures around 11°C (52°F) during the day, dropping to 1°C (34°F) at night, with the most rainfall of the year.

Rainfall in Alcoa in December

Expect frequent, heavy rain this month, marking the peak rainfall period. A poncho will help protect you from getting soaked. The climate data from previous years indicates about 14 days of rain, averaging 157 mm (6.2 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Alcoa in December

Expect highs of 11°C (52°F) in Alcoa in December, with nights dropping to around 1°C (34°F). December is part of the winter season. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With lows around 1°C (34°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Alcoa in December

The month brings about 125 hours of sunlight, offering a comfortable mix of sun and overcast.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Alcoa. Our weather planner can help you explore destinations with more pleasant weather conditions.

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• January
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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 Alcoa's climate page.

Alcoa Temperature in December

Min Temperature 1°C (34°F)  

Max Temperature 11°C (52°F)  

Chance of Rain 45%  

Precipitation 157 mm (6.2 in)  

Rainy days 14 days  

Humidity 73% *  

Sunshine 125 hours *  

Percentage Sunshine 40% *  

* Data from: Knoxville, the United States of America (19 KM, 12 Miles).

What to Wear in Alcoa in December

The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Alcoa in December

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

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

5/10

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 Alcoa's climate page.

More climate data for Alcoa

Temperature Rainfall Sunshine Humidity

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