Lucerne or Interlaken in July?
On climate data, Lucerne comes out ahead overall in July. See the per-criterion details below.
LucernePhoto: Ermell · CC BY-SA 4.0
InterlakenPhoto: André Schakkal · CC BY-SA 4.0Key figures in July
| Criterion | Lucerne | Interlaken |
|---|---|---|
| Average daily high | 21 °C | 16 °C |
| Average daily low | 13 °C | 7 °C |
| Rainy days | 18 rainy days (est.) ★ | 19 rainy days (est.) |
| Sun | 7 h/day | 7 h/day |
| Humidity | 77 % | 77 % |
Winner by travel type
Trade-offs
- Lucerne is about 5 °C warmer by day.
Lucerne or Interlaken in July: the short answer
In July, Lucerne comes out ahead on the overall climate score (Lucerne 63/100 vs Interlaken 48/100). That is a snapshot of one month, though — which one truly fits depends on what you want from the trip, so the breakdown below goes criterion by criterion.
This comparison focuses on July as a representative month for the pair; for any other month, use each destination's month-by-month pages. Across the whole year Lucerne averages a climate score of 43/100, Interlaken 33/100. Both profiles below are historical monthly averages, not a forecast.
Weather in July, side by side
The average daily high is about 21 °C in Lucerne and 16 °C in Interlaken — warmer in Lucerne. Average daily lows are around 13 °C versus 7 °C.
On rain, Lucerne sees about 18 rainy days in July and Interlaken about 19 — drier in Lucerne. Sunshine is comparable (7 vs 7 hours a day).
Rain and sun across the year
Over a full year Lucerne records roughly 181 rainy days and Interlaken about 196 — the drier of the two overall is Lucerne. At their sunniest, Lucerne reaches about 7 hours of sun a day (June) and Interlaken about 7 (July). If dependable dry, sunny weather is your top priority, weigh these annual totals alongside the single month above.
Best time to visit each
Climatically, Lucerne is at its best in July and August, while Interlaken has no clear standout month. If your dates are fixed, pick the destination whose strong season overlaps them; if you are flexible, plan around these windows.
Which suits which kind of trip
Based on the July scores for each travel style:
City breaks: Lucerne scores higher in July (Lucerne 74 vs Interlaken 60).
Active & hiking: Lucerne scores higher in July (Lucerne 69 vs Interlaken 62).
Family: Lucerne scores higher in July (Lucerne 50 vs Interlaken 28).
Verdict: which should you pick?
In July, Lucerne leads across every scored category here — the overall score and each travel type — so on the climate data it is the clearer pick this month. Over the year, Lucerne carries the higher overall climate score. Your own priority (sun, sea, low rain or sightseeing comfort) still matters, and the month-by-month pages for each destination give you the full picture before you book.