Mountain air

Locarno weather in May

Temperature, rain and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

68

Holiday weather in May

Good

Best time to visit: March – October

What is the weather like in Locarno in May?

In May, Locarno is mild: daytime highs average 21 °C, and nights cool down to about 11 °C. The sun shines for around 7 hours a day. It rains often – on about 15 days, adding up to 190 mm. All in all, May is a good month for a holiday in Locarno.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score756876
Day16°21°25°
Night7°11°16°
Sun7 h7 h8 h
Rain days121513

More details for May

Daylight
14 h 56 min05:53 – 20:49
UV index
8 · very highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
8 km/haverage daily peakAll months
Cloud cover
62 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+2Europe/Zurich

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %63 %
  • Few rainy daysweight 30 %19 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.

What to pack in May

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Locarno in May: quick answers

Is Locarno hot in May?

No. In May, Locarno is mild: daytime highs average 21 °C and nights drop to about 11 °C.

Does it rain much in Locarno in May?

It rains often – on about 15 days, adding up to 190 mm.

Locarno month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences