Temperatures in May
It's pleasantly warm in May in Ascona with an average temperature of 19°C. Temperatures this month range from a low of 14°C to a high of 22°C. At night, you can expect temperatures between 7°C and 13°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Ascona in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Ascona with mild temperatures, averaging around 18°C during the day and nights close to 10°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-May
By mid-May, the average daytime temperature rises to around 20°C, with nights close to 11°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of May
By the end of May, the average daytime temperature in Ascona will be around 21°C, with nights close to 13°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
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Precipitation in May
In May, there is an average of 167 mm of precipitation, spread over 13 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
The average precipitation chance is 42% per day this month. The weather’s variable. There are also a few days with lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Ascona. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Ascona in May |
London | ||
|---|---|---|---|
 Average Temperature |
19°C | 18°C | |
 High Temp |
22°C | 21°C | |
| Low Temp |
14°C | 15°C | |
 Total Precipitation |
167 mm | 46 mm | |
| Rainy Days |
13 days | 8 days | |
April
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit Ascona?
After some sun? Then May isn’t the best time to be in Ascona. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Ascona in May
With 30°C, Ascona hit the highest temperature in the last 10 years in May 2017. The lowest daytime temperature in this month was 9°C in 2017. The extreme night temperatures ranged from a low of 2°C to a high of 19°C.
Check out the climate of Ascona for all months and discover the best travel time
Curious about the climate in other parts of Switzerland? Check out the weather and climate in places like Zurich, Geneva, Valais, or have a look at other destinations in Switzerland.
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Daily Temperature in May in Ascona
This chart shows the average daily temperatures, both day and night, for each day in May in Ascona, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in May in Ascona
The chart below shows the average daily precipitation in May for Ascona, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 13 days of rain in Ascona.
Daily UV Index in May in Ascona
This chart shows the average daily UV index in May in Ascona, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Ascona Over the Years
This chart shows the average temperature in May in Ascona, measured in degrees Celsius, over the past years.
Total Precipitation in May in Ascona Over the Years
This chart shows the average precipitation in May in Ascona, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in May for Ascona
Click on a specific day in May for detailed info on the typical weather on that day in Ascona. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Ascona
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Average Weather in Ascona by Month
Click on a month below to see detailed weather info for Ascona. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
