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.

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• January
• February
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• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Olten's climate page.

Olten Temperature in December

Min Temperature -1°C (30°F)  

Max Temperature 5°C (41°F)  

Chance of Rain 48%  

Precipitation 108 mm (4.3 in)  

Rainy days 14 days  

Humidity 82% *  

Sunshine 53 hours *  

Percentage Sunshine 26% *  

* Data from: Basel, Switzerland (33 KM, 20 Miles).

What to Wear in Olten in December

We recommend to layer up for chilly conditions in Olten in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Olten in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

3/10

Walking

3/10

Camping

1/10

Outdoor sports

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Olten's climate page.

More climate data for Olten

Temperature Rainfall Sunshine Humidity

See the full Olten climate overview or explore weather in Switzerland.