Ascona Weather in June
June in Ascona typically sees daytime highs of 21°C (70°F) and nighttime lows of 11°C (52°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.
Rainfall in Ascona in June
The climate data from previous years indicates about 17 days of rain, averaging 172 mm (6.8 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Ascona in June
June in Ascona brings typical temperatures with highs around 21°C (70°F) and lows of 11°C (52°F). June is a notable month of the summer season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Ascona in June
Expect a lot of sunshine this month, with about 237 hours of sun. These sunny conditions add to the overall experience.
Wind Speed in Ascona in June
June has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.If you favor pleasant temperatures and minimal rainfall, June is one of the best months to visit Ascona.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Ascona's climate page.
Ascona Temperature in June
Min Temperature
11°C (52°F)
Max Temperature
21°C (70°F)
Chance of Rain
57%
Precipitation
172 mm (6.8 in)
Rainy days
17 days
Humidity
66% *
Windspeed
1 m/s (2 knots) *
Sunshine
237 hours *
Percentage Sunshine
57% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ascona typically rise from around 23°C (73°F) at the start of June to approximately 26°C (79°F) by the end. Nights are cool, with lows typically ranging from 12°C (54°F) to 16°C (61°F).
Average temperatures in June
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Historical weather for Ascona in June
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.
Ascona historical weather extremes in June
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Ascona.
- On June 27, 2019, temperatures climbed to 34°C (93°F), marking the warmest June day on record.
- The lowest daytime temperature in June was 12°C (54°F), recorded on June 6, 1991.
- Ascona registered its coldest June night on June 18, 1991, with temperatures dropping to 0°C (32°F).
Best Places in Switzerland in June
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in June →
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What to Wear in Ascona in June
Comfortable temperatures call for an easy wardrobe in June. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Ascona in June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Ascona's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Ascona climate overview or explore weather in Switzerland.
