Gaithersburg Weather in December

December in Gaithersburg brings low temperatures, with daytime highs of 8°C (46°F) and nights around -1°C (30°F). Quite a bit of snow/rainfall is expected, around 102 mm (4 in), so pack an umbrella.

Rainfall in Gaithersburg in December

On average, there are about 11 days with snow/rain during this month, averaging 102 mm (4 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Gaithersburg in December

December in Gaithersburg brings typical temperatures with highs around 8°C (46°F) and lows of -1°C (30°F). December is part of winter. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights drop below freezing to -1°C (30°F). An extra blanket is worth packing if you're unsure about the heating where you're staying.

Sunshine in Gaithersburg in December

The month brings about 130 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 Gaithersburg. Our weather planner can help you explore destinations with more pleasant weather conditions.