The weather in May in Castello

Looking for sun? May isn’t a good month to be in Castello. The temperature is nice, but there’s too much chance of rain.

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Castello, Switzerland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Daily weather in May for Castello

Click on any day in May to get detailed info about the usual weather on that day in Castello. Check out the historical temperatures and precipitation over the past 10 years on this day.

Average temperatures

It's pleasantly warm in May in Castello with an average temperature of 20°C. Temperatures this month range from a low of 14°C to a high of 23°C. At night, you can expect temperatures between 8°C and 13°C.

Temperature records

With 30°C in 2017, Castello reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 8°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 18°C.

Rainfall amount

In May, there is an average of 169 mm of precipitation, spread over 18 days. The wind speed is around 3 Bft, mostly coming from the Southwest.

May weather comparison

  Castello New York
Average temperature 20°C 22°C
Max. temperature 23°C 28°C
Min. temperature 8°C -5°C
Total precipitation 169 mm 105 mm
Rainy days 18 days 14 days

Start of May

The month of May starts in Castello with mild temps, averaging around 18°C during the day and nights around 10°C.

Mid May

By mid-May, daytime temps rise to around 20°C, with nights around 11°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of May

By the end of May, the average daytime temperature in Castello is around 22°C, while nighttime temps are about 13°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

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.

Check out the climate of Castello for all months and discover the best travel time

Curious about the weather in other parts of Switzerland? Check out the climate and weather for spots like Zurich, Geneva, Valais, or explore other destinations in Switzerland.

Temperature charts

These charts show the average temperatures in May in Castello, Switzerland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Castello

Temperature in May in Castello over the years

Precipitation charts

These charts show the average amount of precipitation in May in Castello, Switzerland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in May in Castello

Total precipitation in May in Castello over the years

Daily UV index in May in Castello

This chart shows the average daily UV index in May in Castello, 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.

Weather experiences in May in Castello

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Average weather in Castello by month

Click on a month below to see detailed weather info for Castello. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.