Locarno Weather in May
In Locarno, May brings moderate daytime temperatures around 17°C (63°F), with nights cooling to 7°C (45°F). Expect quite a bit of rainfall this month.
Rainfall in Locarno in May
You can expect rain on around 19 days based on historical patterns, with 172 mm (6.8 in) average for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Locarno in May
In May, Locarno gets moderate temperatures, with highs of 17°C (63°F). Nights cool to around 7°C (45°F). Conditions are often most pleasant around the middle of the day. Nights fall to 7°C (45°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Locarno in May
Expect a lot of sunshine this month, with about 209 hours of sun. These sunny conditions add to the overall experience.If you prefer dry days with pleasant temperatures, June, July and August typically offer the best 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 Locarno's climate page.
Locarno Temperature in May
Min Temperature
7°C (45°F)
Max Temperature
17°C (63°F)
Chance of Rain
62%
Precipitation
172 mm (6.8 in)
Rainy days
19 days
Humidity
64%
Sunshine
209 hours
Percentage Sunshine
51%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Locarno typically rise from around 18°C (64°F) at the start of May to approximately 22°C (72°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 12°C (54°F).
Average temperatures in May
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 May
Historical weather for Locarno in May
Browse day-by-day weather records for Locarno spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Locarno historical weather extremes in May
According to our 50 years of weather records for Locarno, the following extremes were recorded between 1976 and 2026.
- On May 28, 2026, temperatures climbed to 33°C (91°F), marking the warmest May day on record.
- On May 5, 2002, Locarno saw its coldest May day with temperatures maxing out at 7°C (45°F).
- Locarno registered its coldest May night on May 4, 1979, with temperatures dropping to -7°C (19°F).
Best Places in Switzerland in May
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Locarno in May
Pleasant temperatures in May 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! Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Locarno in May
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 Locarno's climate page.
Temperature Rainfall Sunshine Humidity
See the full Locarno climate overview or explore weather in Switzerland.
