The 5 most scenic train journeys in Switzerland
Explore Switzerland's top 5 train journeys, featuring breathtaking Alpine views and engineering marvels like the Glacier Express and Bernina Express.
Ascona in January sees low temperatures, with highs around 4°C (39°F) and overnight lows of -4°C (25°F). Snow/rainfall is fairly high at around 77 mm (3 in) on average, so pack waterproofs just in case.
January in Ascona has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Pick a month to see the average temperature, rainfall and sunshine in Ascona - and find the best time to visit.
51-year average (1976-2026)
Based on our historical records, temperatures in Ascona typically stay consistent throughout January, with daily highs averaging around 4°C (39°F). Nights are very cold, with lows around -1°C (30°F).
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Ascona spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 49 years of weather observations in Ascona between 1976 and 2025, these are the recorded extremes.
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in January →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
We recommend to layer up for chilly conditions in Ascona in January. 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. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Ascona climate overview or explore weather in Switzerland.
Where to go in January - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
The 5 most scenic train journeys in Switzerland
Explore Switzerland's top 5 train journeys, featuring breathtaking Alpine views and engineering marvels like the Glacier Express and Bernina Express.
You'll love this Mountain roller coaster
Hotel Oeschinensee’s mountain coaster is a summer toboggan that you want to add to your bucket list. You'll get in your cart, sit down and fly across the track while enjoying the beautiful mountain scenery around you.
The Verzasca Valley
You can visit the Verzasca Valley in any season. It's an amazing place for swimming and it is a paradise for hikers. A must see for the bucket list.
Balloon at Chateau D'oex
If you are looking for a special place to visit in Europe in January we recommend visiting the annual balloon festival in Château-d'Oex, Switzerland.