Cossonay Weather in December

December in Cossonay sees daytime temperatures around 6°C (43°F) and lows of 1°C (34°F) at night. With around 133 mm (5.2 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Cossonay in December

On average, there are about 15 days with rain during this month, averaging 133 mm (5.2 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Cossonay in December

Daytime highs in Cossonay in December reach 6°C (43°F), with nights around 1°C (34°F). Winter occurs in December. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With overnight lows of 1°C (34°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Cossonay in December

The area sees fewer sunny days, with a projection of about 57 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.

December in Cossonay has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.