Lucerne Weather in May
Lucerne in May sees moderate temperatures, with highs around 18°C (64°F) and overnight lows of 7°C (45°F). With the rainy season in full effect, expect around 185 mm (7.3 in) of rainfall and regular showers throughout the month.
Rainfall in Lucerne in May
As part of the rainy season, Lucerne sees around 18 days of rain in May, with an average of 185 mm (7.3 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Lucerne in May
Temperatures in Lucerne in May top out at 18°C (64°F) and drop to 7°C (45°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 7°C (45°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Lucerne in May
The area enjoys a balanced 156 hours of sunlight, ensuring it's neither too rainy nor too sunny.If your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for Lucerne.
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 Lucerne's climate page.
Lucerne Temperature in May
Min Temperature
7°C (45°F)
Max Temperature
18°C (64°F)
Chance of Rain
61%
Precipitation
185 mm (7.3 in)
Rainy days
18 days
Humidity
68% *
Sunshine
156 hours *
Percentage Sunshine
45% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Lucerne typically rise from around 16°C (61°F) at the start of May to approximately 20°C (68°F) by the end. Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°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 Lucerne in May
Browse day-by-day weather records for Lucerne spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Lucerne historical weather extremes in May
The extremes listed below come from historical weather data collected in Lucerne from 1976 through 2026.
- The hottest May day on record in Lucerne reached 31°C (88°F) (May 25, 2009).
- On May 5, 2019, Lucerne saw its coldest May day with temperatures maxing out at 4°C (39°F).
- The coldest night in May in Lucerne was on May 3, 1979, with a minimum of -6°C (21°F).
- The wettest May day on record brought 60 mm (2.4 in) of precipitation to Lucerne (May 14, 2016).
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 Lucerne 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! Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Lucerne 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 Lucerne's climate page.
Temperature Rainfall Sunshine Humidity
See the full Lucerne climate overview or explore weather in Switzerland.
