Decatur Weather in December

December in Decatur brings moderate temperatures around 13°C (55°F) during the day, dropping to 2°C (36°F) at night, with the most rainfall of the year.

Rainfall in Decatur in December

The month is marked by heavy rainfall, often coming down in intense bursts. Make sure to have a poncho to stay dry. Typically around 12 days of rainfall are expected, averaging 171 mm (6.7 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 Decatur in December

December in Decatur brings typical temperatures with highs around 13°C (55°F) and lows of 2°C (36°F). December is part of the winter season. Conditions are often most pleasant around the middle of the day. Nights fall to 2°C (36°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Decatur. Our weather planner can help you explore destinations with more pleasant weather conditions.