Weather in Luzern in June
Switzerland · 20-year averages, June
A good month. June is a solid month to be in Luzern. You should expect rain on 18 days of the month, which is more days wet than dry.
June ranks 2 of 12 in Luzern. Only September scores clearly higher, and the difference is small enough to be settled by price rather than weather.
Rain on 18 days, 5 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.
What the averages hide
The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest June day reached 33.2 °C and the coldest night fell to 3.8 °C, and the wettest single day dropped 44 mm — roughly 30% of the month's rain in one day.
June is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest June on record still delivered 232 mm against 81 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 146 mm average is a reasonable planning figure, not a promise.
Wind is light at 5.8 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 78%, high enough to notice on the warm days without dominating them.
How June sits in the year
The month is on the way up: 3.9 °C warmer than May, and July adds another 1.6 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.
Daylight in June
June is at or near the longest days of Luzern's year: 15.9 hours of daylight, holding steady all month. Evenings are the real gain — dinner outdoors still happens in full light.
An inland climate
With no coast nearby, the year swings a fair way — 26.2 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.
How busy it gets
Busy. Popular without being frantic; book the things you care about, improvise the rest.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
June in Luzern versus nearby
If Luzern is one option among several, the nearby comparison is worth making. Zermatt is close enough to be a coin toss — 5.6 °C cooler, 1 day less rain. Colmar is a better bet in June — within a degree on temperature, 4 days less rain.
So: June works, with September the better month by 8 points if the dates can move. If they cannot, nothing here should stop you booking.
Every month in Luzern
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 4.8 | -1.9 | 14 | 94 | 83 | 8.9 | 22 |
| February | 5.8 | -1.6 | 12 | 75 | 82 | 10.3 | 30 |
| March | 10.2 | 2 | 15 | 95 | 81 | 11.8 | 40 |
| April | 15 | 5.9 | 14 | 98 | 78 | 13.5 | 57 |
| May | 18.8 | 10 | 19 | 150 | 78 | 15 | 61 |
| June | 22.7 | 14.4 | 18 | 146 | 78 | 15.9 | 65 |
| July | 24.3 | 16 | 18 | 152 | 77 | 15.6 | 65 |
| August | 24 | 15.8 | 17 | 158 | 78 | 14.3 | 65 |
| September | 20.4 | 12 | 14 | 101 | 80 | 12.6 | 73 |
| October | 16.9 | 8.3 | 13 | 100 | 81 | 11 | 64 |
| November | 10.4 | 3.4 | 14 | 93 | 84 | 9.4 | 43 |
| December | 5.7 | -0.7 | 14 | 100 | 82 | 8.5 | 27 |
See all twelve months in Luzern, or where else to go in June.
Planning the rest of the trip
- Flight time to Luzern how long you are actually in the air
- Luzern time zone and the difference from home
- Days until your trip count down to the departure date