Mid-summer · Weather & things to do
Interlaken in July
Interlaken's warmest month brings highs averaging 77°F (25°C), lows of 61°F (16°C) and about 5.8 in (148 mm) of rain.
It scores 72/100 for comfort, 4th of 12, which makes it a solid shoulder-season month.
- Avg high
- 77°F (25°C)
- Avg low
- 61°F (16°C)
- Rain
- 5.8 in (148 mm)
- Humidity
- 77%
- Cloud cover
- 59%
- Daylight
- ~15 h 18 min
- Comfort score
- 72/100 · Good
What July feels like
Highs settle around 77°F (25°C), warm enough for short sleeves.
After dark, temperatures fall to about 61°F (16°C).
Humidity averages 77%, so the air feels sticky and the heat feels stronger than the thermometer says.
Rain is a real factor, with about 5.8 in (148 mm) across the month.
With about 15 h 18 min of daylight, evenings stay light late.
Plan around July
July is shoulder season: good weather, a step below the best months (September).
- Inside the wettest three-month stretch, June – August.
- Humidity season begins: 77% on average, up from 78% in June.
- Comfort improves from 69/100 in June to 72/100.
- July sits inside the May – Oct window our Swiss Lakes by Rail route recommends.
What to pack for July
- Light, breathable clothes77°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Quick-dry fabrics77% average humidity
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost picks involve some walking
What to do in Interlaken in July
With 5.8 in of rain, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.
Lake Brienz Cruise
BLS boat from Interlaken Ost across turquoise water to Brienz.
Why now Our curated notes say it's best summer.
Rugenbräu
Local brewery in Matten bei Interlaken with tours and a shop.
Why now A sit-down stop to wait out showers in a month with 5.8 in of rain.
Schynige Platte
Historic cog railway to an alpine garden and ridge walks.
Why now Our curated notes say it's best Jun–Oct.
Trümmelbach Falls
Glacial falls thundering inside the mountain, reached by a tunnel lift.
Why now Our curated notes say it's best Apr–Nov.
Giessbach Falls
Waterfalls dropping in 14 tiers, reached by boat and historic funicular.
Why now Our curated notes say it's best May–Oct.
Nearby in July
- Lucerne in July~33 mi · highs 76°F, 6.0 in rain · similar daytime temperatures, about as wet
- Andermatt in July~34 mi · highs 62°F, 6.1 in rain · 8°C (15°F) cooler by day, about as wet
- Zermatt in July~47 mi · highs 65°F, 3.8 in rain · 7°C (12°F) cooler by day, drier
- Zurich in July~57 mi · highs 76°F, 5.7 in rain · similar daytime temperatures, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~1,854 m to Interlaken's ~569 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Interlaken in July: quick answers
Is July a good time to visit Interlaken?
It's a good shoulder-season choice, scoring 72/100 against a best of 82 in September. Expect highs of 77°F (25°C) and 5.8 in (148 mm) of rain. July is inside the May – Oct window our Swiss Lakes by Rail route recommends.
How hot is Interlaken in July?
Average highs are 77°F (25°C) and average lows 61°F (16°C), making it the warmest month by daytime highs.
Does it rain a lot in Interlaken in July?
Yes: about 5.8 in (148 mm) of rain falls across July on average, the 4th-wettest month of the year. The annual total is about 54.3 in (1379 mm).
What should I pack for Interlaken in July?
Bring light, breathable clothes (77°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), quick-dry fabrics (77% average humidity), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most picks involve some walking).
More on Interlaken
Routes in season in July
- Swiss Lakes by Rail May – Oct
Planning Interlaken in July?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.