Ottumwa Weather in December

During December, Ottumwa experiences low daytime temperatures of 3°C (37°F) and cooler nights around -6°C (21°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 61 mm (2.4 in) is typical.

Rainfall in Ottumwa in December

This month experiences about 9 days of snow/rain according to historical data, averaging 61 mm (2.4 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Ottumwa in December

If you're visiting Ottumwa in December, expect highs of 3°C (37°F) and overnight lows around -6°C (21°F). During December, you'll experience the winter season. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. Nights drop below freezing to -6°C (21°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. This month is particularly chilly, so wearing layers is necessary to stay warm and comfortable.

December in Ottumwa can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.