Gillette Weather in December

Gillette in December sees very low daytime temperatures of 1°C (34°F) and nighttime lows of -10°C (14°F). With just 15 mm (0.6 in) of snow/rainfall expected, it's a dry month overall.

Rainfall in Gillette in December

Historically, approximately 7 days this month are expected to have snow/rain, averaging 15 mm (0.6 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Gillette in December

December in Gillette brings typical temperatures with highs around 1°C (34°F) and lows of -10°C (14°F). The winter season takes place during December. It stays very cold throughout much of the day, so warm winter clothing is essential. Nights drop below freezing to -10°C (14°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. On average, it is the coldest month of the year. So be prepared and make sure to pack winter clothes.

December in Gillette 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.