Ollon Weather in July
July in Ollon brings pleasant temperatures, with highs of 21°C (70°F) and nights dropping to 9°C (48°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in Ollon in July
As part of the rainy season, Ollon sees around 15 days of rain in July, with an average of 205 mm (8.1 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Ollon in July
July in Ollon brings typical temperatures with highs around 21°C (70°F) and lows of 9°C (48°F). July marks the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. On average, it sees the highest temps of the year.
Sunshine in Ollon in July
The city usually sees around 270 hours of sunlight, indicating many sunny days despite it being the rainy season.Should you favor a climate that's both dry and comfortably warm, August typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Ollon's climate page.
Ollon Temperature in July
Min Temperature
9°C (48°F)
Max Temperature
21°C (70°F)
Chance of Rain
49%
Precipitation
205 mm (8.1 in)
Rainy days
15 days
Humidity
63% *
Sunshine
270 hours *
Percentage Sunshine
65% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ollon typically stay consistent throughout July, with daily highs averaging around 21°C (70°F). Nights are cool, with lows around 14°C (57°F).
Average temperatures in July
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 July
Historical weather for Ollon in July
Browse day-by-day weather records for Ollon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ollon historical weather extremes in July
According to our 49 years of weather records for Ollon, the following extremes were recorded between 1976 and 2025.
- The warmest day in July was on July 25, 2022, with a maximum of 35°C (95°F).
- The lowest daytime temperature in July was 13°C (55°F), recorded on July 10, 2014.
- Ollon registered its coldest July night on July 2, 1996, with temperatures dropping to -2°C (28°F).
- The heaviest July precipitation occurred on July 29, 2013, when 64 mm (2.5 in) of precipitation fell.
Best Places in Switzerland in July
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in July →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Ollon in July
Pleasant temperatures in July mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Ollon in July
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 Ollon's climate page.
Temperature Rainfall Sunshine Humidity
See the full Ollon climate overview or explore weather in Switzerland.
