Lauterbrunnen records about 1450mm of rain across roughly 140 wet days a year, which is a 38% chance on an average day. July is the wettest month at 160mm (11% of the annual total) and February the driest at 70mm. Local rain type: steady rain. Lauterbrunnen's 72 waterfalls are fed by rain and snowmelt — ironically, rain makes the valley's main attraction more spectacular. Pack waterproofs year-round; the narrow valley traps moisture.
Chance of rain on an average day: 38%
Rainfall climatology for Lauterbrunnen. The live hour-by-hour answer for today loads at the top of this page from Open-Meteo and refreshes through the day — the figures below describe a typical year, not today.
Conditions on this page are recalculated from the latest forecast every time it is opened, for the current date in the location's own time zone. Showing .
| Annual rainfall | 1450mm |
| Rain days per year | 140 |
| Odds on an average day | 38% |
| Wettest month | July — 160mm over 17 days |
| Driest month | February — 70mm over 7 days |
| Rain type | steady rain |
| Best dry window | February is the driest month, though the valley is deep in snow. September offers the best balance of dry weather and green landscapes. |
| Worst rain window | June and July bring the most rain as warm air hits the cold Jungfrau massif — afternoon storms are almost daily. |
July delivers 129% more rain than February (160mm vs 70mm). That gap is the difference between planning around showers and ignoring them.
No single month holds more than 11% of the annual total, so rain in Lauterbrunnen is spread through the year — there is no season you can rely on being dry.
Lauterbrunnen rain typically comes as discrete showers, so a compact umbrella and a flexible plan are usually enough.
Rain falls on about 17 days in July against 7 in February — the frequency swing matters more for planning than the millimetre totals.
Climate normals. Use them to judge whether today's live forecast at the top of the page is typical or unusual for the season.
| Month | Rainfall | Rain days | Chance on a given day | Highs |
|---|---|---|---|---|
| January | 80mm | 8 | 27% | 4°C |
| February | 70mm | 7 | 23% | 4°C |
| March | 90mm | 9 | 30% | 7°C |
| April | 100mm | 10 | 33% | 11°C |
| May | 130mm | 14 | 47% | 17°C |
| June | 150mm | 16 | 53% | 21°C |
| July | 160mm | 17 | 57% | 24°C |
| August | 155mm | 16 | 53% | 24°C |
| September | 120mm | 13 | 43% | 21°C |
| October | 100mm | 10 | 33% | 17°C |
| November | 95mm | 10 | 33% | 11°C |
| December | 90mm | 9 | 30% | 7°C |
Rain probability is the chance that at least 0.2mm falls at your location — not how long it rains. For Lauterbrunnen we combine the hourly probability curve, expected volume in millimetres, and the city's own rainfall record into a single umbrella verdict.
| Factor | Weight | What it measures |
|---|---|---|
| Hourly probability | 40% | Peak and sustained chance of measurable rain across the next 24 hours. |
| Expected volume | 30% | Total millimetres, which separates a passing shower from a genuine soaking. |
| Timing & duration | 20% | When rain starts, when it eases, and the longest continuous dry window. |
| Local rain type | 10% | Drizzle, brief showers, thunderstorms or monsoon — each needs different gear. |
Live hourly values come from Open-Meteo and refresh through the day. Monthly rainfall figures are climate normals, so they describe a typical year rather than a forecast.
Lauterbrunnen records rain on roughly 140 days a year — about a 38% chance on any given day — totalling around 1450mm.
July, with about 160mm over 17 rain days. That is 11% of the entire year's rainfall in a single month.
February is the driest month at 70mm across roughly 7 days. February is the driest month, though the valley is deep in snow. September offers the best balance of dry weather and green landscapes.
Lauterbrunnen's 72 waterfalls are fed by rain and snowmelt — ironically, rain makes the valley's main attraction more spectacular. Pack waterproofs year-round; the narrow valley traps moisture.
No. Probability is the chance that at least 0.2mm of rain falls at your location at some point in the period. Check the expected millimetres alongside it: 40% with 0.4mm is a passing shower, 40% with 12mm is a soaking.