Winter
Dec → Feb6 to 9°
nights 1 to 2°
- 15 rainy days · 138 mm
When is the best time to visit Interlaken?
- Jan6°not recommended
- Feb9°not recommended
- Mar11°not recommended
- Apr14°not recommended
- May18°fair
- Jun23°recommended
- Jul25°recommended
- Aug25°recommended
- Sep20°recommended
- Oct17°fair
- Nov11°not recommended
- Dec8°not recommended
RecommendedFairNot recommended· afternoon temperature
The weather in Interlaken, month by month
The table of records, month by month
| Month | High | Low | Rainfall | Rainy days | Best |
|---|---|---|---|---|---|
| January | 6° | 1° | 160 mm | 17 d | |
| February | 9° | 2° | 110 mm | 13 d | |
| March | 11° | 3° | 126 mm | 15 d | |
| April | 14° | 5° | 148 mm | 16 d | |
| May | 18° | 9° | 213 mm | 20 d | |
| June | 23° | 14° | 178 mm | 18 d | ✓ |
| July | 25° | 16° | 170 mm | 17 d | ✓ |
| August | 25° | 16° | 183 mm | 16 d | ✓ |
| September | 20° | 13° | 142 mm | 15 d | ✓ |
| October | 17° | 9° | 137 mm | 13 d | |
| November | 11° | 5° | 135 mm | 14 d | |
| December | 8° | 2° | 144 mm | 14 d |
The four seasons in Interlaken, in figures
What the 2015-2024 records (Interlaken) show, season by season, to compare at a glance instead of reading twelve rows of a table.
Spring
Mar → May11 to 18°
nights 3 to 9°
- 17 rainy days · 162 mm
Summer
Jun → Aug23 to 25°
nights 14 to 16°
- 17 rainy days · 177 mm
Autumn
Sep → Nov11 to 20°
nights 5 to 13°
- 14 rainy days · 138 mm
Book early for June to September
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
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Daylight in Interlaken, month by month
The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 15h49 of daylight, in December 8h34, a difference of 7h15.
8h56Jan
10h14Feb
11h46Mar
13h31Apr
15hMay
15h49Jun
15h29Jul
14h11Aug
12h29Sep
10h47Oct
9h18Nov
8h34Dec
Calculated for the latitude of the reference point "Interlaken" (46.69°). Values on the 15th of each month, local solar time.
What to do in Interlaken, month by month
EventsHarder PotscheteJanuaryWilliam Tell PlaysJuly to AugustJungfrau MarathonSeptemberDetails ↓
favourablewith compromisesunfavourable
- Long days: May, June, July, August
Grid derived from the records (temperature, rainfall), not from an opinion.
What's on in Interlaken, month by month?
What comes back every year, and when. Exact dates change from year to year, so check them before you book.
- JanuaryHarder Potschete
The day after New Year, the wooden masks of the Harder Potschete come down in procession through the streets of Interlaken.
- July to AugustWilliam Tell Plays
In July and August, Schiller's play is performed in the open air at Matten, on the edge of Interlaken, several evenings a week.
- SeptemberJungfrau Marathon
In early September, the race starts in Interlaken and climbs to Kleine Scheidegg, facing the Eiger and the Jungfrau.
Travelling off-peak
Month by month, in detail
January
Not recommended6°1° at night
- 160 mm · 17 d
Low season, lower prices
February
Not recommended9°2° at night
- 110 mm · 13 d
Low season, lower prices
March
Not recommended11°3° at night
- 126 mm · 15 d
Low season, lower prices
April
Not recommended14°5° at night
- 148 mm · 16 d
Low season, lower prices
May
Fair18°9° at night
- 213 mm · 20 d
Low season, lower prices
June
Recommended23°14° at night
- 178 mm · 18 d
Busy, without the crush
July
Recommended25°16° at night
- 170 mm · 17 d
High season, book early
August
Recommended25°16° at night
- 183 mm · 16 d
High season, book early
September
Recommended20°13° at night
- 142 mm · 15 d
Busy, without the crush
October
Fair17°9° at night
- 137 mm · 13 d
Low season, lower prices
November
Not recommended11°5° at night
- 135 mm · 14 d
Low season, lower prices
December
Not recommended8°2° at night
- 144 mm · 14 d
Quiet, then the holidays
Read the twelve months in detail
January. Deep winter: 6 °C at the warmest of the day, 1 °C at night. A very wet month, 160 mm of rain over 17 days. Low season: fewer people, lower prices.
February. Cool: 9 °C at best, 2 °C at night. Expect 13 days of rain in the month (110 mm). Low season: fewer people, lower prices.
March. Cool: 11 °C at best, 3 °C at night. A very wet month, 126 mm of rain over 15 days. Low season: fewer people, lower prices.
April. Cool: 14 °C at best, 5 °C at night. A very wet month, 148 mm of rain over 16 days. Low season: fewer people, lower prices.
May. Mild, 18 °C in the afternoon and 9 °C early in the morning. Frequent rain: 213 mm over 20 days. Low season: fewer people, lower prices.
June. Mild, 23 °C in the afternoon and 14 °C early in the morning. Frequent rain: 178 mm over 18 days. Busy season, without the crush.
July. 25 °C in the afternoon and 16 °C at night. Frequent rain: 170 mm over 17 days. High season: book early.
August. 25 °C in the afternoon and 16 °C at night. Frequent rain: 183 mm over 16 days. High season: book early.
September. Mild, 20 °C in the afternoon and 13 °C early in the morning. Frequent rain: 142 mm over 15 days. Busy season, without the crush.
October. Cool: 17 °C at best, 9 °C at night. Expect 13 days of rain in the month (137 mm). Low season: fewer people, lower prices.
November. Cool: 11 °C at best, 5 °C at night. A very wet month, 135 mm of rain over 14 days. Low season: fewer people, lower prices.
December. Cool: 8 °C at best, 2 °C at night. A very wet month, 144 mm of rain over 14 days. Quiet at the start of the month, then busier as the holidays approach.
Same season, other ideas
Their best time overlaps with this one: worth comparing before you book.
Frequently asked questions
When is the best time to visit Interlaken?
June to September: over these months, recorded highs range from 20 to 25 °C, with 17 days of rain a month on average (2015-2024 records, Interlaken).
Which month should you avoid in Interlaken?
January: it is the wettest of the months to avoid, with 160 mm over 17 days of rain on average, according to 2015-2024 records at the reference point (Interlaken).
What is the hottest month in Interlaken?
July, with 25 °C on average in the afternoon and 16 °C at night. 2015-2024 records (Interlaken).
What is the coldest month in Interlaken?
January, with 6 °C at best during the day and 1 °C at night. 2015-2024 records (Interlaken).
What is the driest month in Interlaken?
February: 110 mm over 13 days of rain, against 213 mm in May, the wettest month.
Plan this trip
📒 The free printable Interlaken guide: itinerary, map, where to sleep→
🧭 When to visit Switzerland: the country overview→
🗓️ Best time to visit: all our destinations→
Compare with other destinations
Photos: Lars Böttcher / Pexels · Patafisik / CC BY-SA 4.0 (Wikimedia Commons) · Nils R / Pexels · INDU BIKASH SARKER / Pexels · Ollie Craig / Pexels · Gotta Be Worth It / Pexels