Olten Weather in December

December in Olten averages 5°C (41°F) during the day and -1°C (30°F) at night. Quite a bit of snow/rainfall is typical this month, with around 108 mm (4.3 in) on average. An umbrella is a good idea.

Rainfall in Olten in December

Records from the past 30 years suggest around 14 days of snow/rain, with 108 mm (4.3 in) average for the month. 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 Olten in December

In December, Olten sees low temperatures, with highs of 5°C (41°F). Nights drop to around -1°C (30°F). December marks the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. 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 Olten in December

This month sees fewer sunny days, with about 53 hours of sunshine, perfect for those who enjoy cooler temperatures.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Olten.