Your June weather guide
WarmWeather in Switzerland in June
June is a good time to visit Switzerland if you prefer comfortable warmth to strong heat, but it is not a dependable dry-weather choice. Average daytime highs are around 21°C, nights fall to about 12°C, and there are roughly 16 rainy days. For a UK traveller, that means packing for mild afternoons, cooler evenings and rain rather than treating it as a straightforward summer-sun holiday. Flexible outdoor plans will suit the month best.
Long-term climate averages for Zurich, not a forecast · 1991-2020
Switzerland, month by month
Your snapshot
At a glance
The useful details for Zurich.
- Average daytime high
- 21.2°C
- 9 in 10 days stay below 27°C
- Average night-time low
- 12.3°C
- coldest 10% of nights: 9°C or lower
- Compared with London
- +1.6°C
- London averages 19.6°C in June
- Sunshine per day (est.)
- 6.2h
- 39% of 15.7 h of daylight
- Rainy days (1 mm+)
- 16
- 143 mm over the month
- Humidity
- 74%
- Days over 25°C
- 23%
- 3% over 30°C
- Record high 1991-2020
- 33.5°C
- 2019-06-30
- Record low 1991-2020
- 3.9°C
- 2006-06-02
- Flight from London
- ≈ 1 h 42 min
- 760 km, short-haul (estimate for a direct flight)
Records are observed extremes within 1991-2020, not typical holiday conditions. Warm-day percentages are shares of days, not day counts.
How June compares
June is the 3rd warmest month of the year in Switzerland. Against London's average high of 19.6°C in June, Switzerland is 1.6°C warmer by day and 1.0°C warmer at night.
Daytime and night-time in June
The typical June day in Switzerland peaks at 21.2°C, but that is an average: the warmest 10% of days reach 27.1°C or more. Roughly 1 in 4 days top 25°C and 1 in 34 pass 30°C. Nights average 12.3°C; one night in ten drops to 8.9°C or lower, so pack a layer for evenings - it is genuinely cool after dark. Between 1991 and 2020 the hottest June day here reached 33.5°C (2019-06-30) and the coldest night 3.9°C (2006-06-02).
Rain in June
Wet (more than 8 rainy days): about 16 days with 1 mm or more, 143 mm in total. Year to year it varies a lot - the wettest June was 2001 with 236 mm, the driest 2003 with 42 mm. Humidity averages 74%.
Sunshine and daylight
Around 6.2 hours of sunshine a day (estimated from cloud cover), 15.7 hours of daylight: the sun rises about 05:29 and sets about 21:24 local time in mid-June. Average cloud cover is 61%.
Is June a good time to visit Switzerland?
June is not the strongest month here: warm days and frequent rain. The best months for Switzerland on our scoring are July, August, June.
Warm afternoons, but keep a layer for evenings
June suits travellers who want to spend time outdoors without making intense heat the focus of the trip. Days reach 25°C around 23% of the time, so light clothing should earn its place in your bag, although it will not be enough for every day. The warmest days can reach 27°C or more, making a shaded break sensible when it feels hot at midday. Evenings are a different matter: bring a jumper or light jacket rather than expecting to stay comfortable in short sleeves. The coldest nights can fall to around 9°C or below, so layers give you more flexibility than a wardrobe built only for warmth.
Rain is the main compromise
The catch is how often rain may affect your plans. With about 16 rainy days, June calls for a waterproof jacket and footwear you are comfortable wearing in wet conditions. That does not mean every wet day is a write-off, but it does make a rigid schedule of outdoor activities a poor fit. Leave room to move longer walks to a drier forecast and keep an indoor alternative available. If your main aim is to spend the whole holiday outside without adjusting plans, the wet-weather risk may outweigh the pleasant temperatures. If you can adapt, the warmth still makes June a reasonable choice.
A little perspective
Switzerland through the year
June is highlighted. See how it compares with the rest of the year.
| Month | Day | Night | Sun/day | Rain mm | Rainy days | Days 25°C+ |
|---|---|---|---|---|---|---|
| January | 4.5°C | -1.8°C | 2.6 | 89 | 13 | 0% |
| February | 5.8°C | -1.9°C | 3.5 | 84 | 12 | 0% |
| March | 10.0°C | 0.9°C | 4.4 | 95 | 14 | 0% |
| April | 13.9°C | 3.9°C | 5.1 | 104 | 14 | 0% |
| May | 17.7°C | 8.4°C | 5.3 | 142 | 16 | 6% |
| JuneSelectedbest | 21.2°C | 12.3°C | 6.2 | 143 | 16 | 23% |
| Julybest | 23.2°C | 14.5°C | 6.8 | 146 | 15 | 35% |
| Augustbest | 23.1°C | 14.8°C | 6.1 | 146 | 15 | 33% |
| September | 18.8°C | 11.0°C | 4.6 | 122 | 12 | 6% |
| October | 14.4°C | 7.1°C | 3.2 | 99 | 13 | 0% |
| November | 8.6°C | 2.3°C | 2.4 | 106 | 13 | 0% |
| December | 4.9°C | -0.8°C | 2.3 | 103 | 14 | 0% |
Day = average daytime high, night = average night-time low, 1991-2020.Sun is hours per day; rainy days count 1 mm or more.
Day, night and sea
Monthly average temperatures, 1991-2020
- Day
- Night
Best months here
On warmth, low rainfall and sunshine, start with these.
Keep exploring
Similar in June
Closest matches on daytime temperature, sea temperature and sunshine, in other countries.
A little more detail
Switzerland in June FAQs
Plain answers, grounded in the averages.
Is Switzerland hot in June?
Switzerland is warm in June: the average daytime high is 21.2°C and nights average 12.3°C. Roughly 1 in 4 June days reach 25°C.
How much does it rain in Switzerland in June?
Switzerland sees about 16 rainy days (1 mm or more) and 143 mm of rain in a typical June. The wettest June between 1991 and 2020 was 2001 (236 mm) and the driest was 2003 (42 mm).
How sunny is Switzerland in June?
Switzerland gets around 6.2 hours of sunshine a day in June out of 15.7 hours of daylight (estimated from average cloud cover).
How does Switzerland compare with the UK in June?
Switzerland is on average 1.6°C warmer than London by day in June (21.2°C against 19.6°C).
What is the hottest June on record in Switzerland?
Between 1991 and 2020 the hottest June day in Switzerland reached 33.5°C on 2019-06-30, and the coldest night dropped to 3.9°C on 2006-06-02.
Is Switzerland warmer than London in June?
Yes, but the difference is modest. Switzerland's average daytime high is 21.2°C, compared with London's 19.6°C, a gap of 1.6°C. Expect a little more warmth rather than a major change in climate, and still pack for cool evenings.
How much sunshine can I expect?
June averages about 6.2 hours of sunshine within 15.7 hours of daylight. There is plenty of daylight for flexible plans, but long days do not mean clear skies throughout. Plan for some sunshine rather than relying on uninterrupted sun.
Is June among the better months to go?
June sits alongside July and August among the better months for weather. It suits travellers looking for warmth without frequent extreme heat, provided they accept rain as part of the trip. It is less suited to anyone whose priority is reliably dry days.
About these averages
ERA5-Land climate reanalysis via Open-Meteo (11 km grid), 1991-2020
Averages computed from daily values at Zürich (Zurich). Sunshine hours are estimated from average cloud cover.Records are the highest and lowest daily values in that 30-year period, not all-time records. These are climate averages, not a forecast for your trip. How we measure holiday weather
- Hot · 25°C+
- Warm · 20°C to below 25°C
- Mild · 15°C to below 20°C
- Cool · below 15°C