Switzerland Geneva Weather in June — Climate Guide
June in Geneva is very-high
June is very-high for Geneva.
June in Geneva is one of the sweet-spot months — averaging about 23°C/13°C with long daylight, warm comfortable days, and the lakefront at its liveliest, while avoiding the busiest peak of high summer.
The Jet d'Eau runs full, lake cruises and the Bains des Pâquis swimming jetty are buzzing, and filets de perche are in season. It's perfect for the lakefront, outdoor dining, and the full range of day trips — Mont Blanc/Chamonix, Lausanne and the Lavaux, Annecy, and Montreux/Chillon all shine in good June weather.
Travel score
Geneva June Weather Stats
Avg High
23°C
Avg Low
13°C
Rainy Days
11
75mm total
Sunshine
7.5h
Daily avg
Humidity
67%
comfortable
UV Index
7
High
Wind
8 km/h
Gusts 20
Crowds
Busy
At attractions
June Sunrise & Sunset
Air Quality
PM2.5
16 μg/m³
PM10
30 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
24°C
Nighttime
13°C
Humidity and wind affect how the actual temperature feels.
Wind
8 km/h
Max gust 20 km/h
Activities Recommended for June
June Travel Pros & Cons
Pros
- Warm, comfortable, long days
- Lakefront and swimming in full swing
- Perch season + lakeside dining
- Excellent for all day trips
Cons
- High crowds and prices
- Occasional thunderstorms
- AC not universal in older hotels
- Book popular spots ahead
June Events & Festivals
- Long daylight and peak lakefront season
- Lakeside buvettes and swimming in full swing
- Filets de perche in season
- Music and open-air events begin
Geneva in June — Full Picture
June in Geneva is one of the sweet-spot months — averaging about 23°C/13°C with long daylight, warm comfortable days, and the lakefront at its liveliest, while avoiding the busiest peak of high summer.
The Jet d'Eau runs full, lake cruises and the Bains des Pâquis swimming jetty are buzzing, and filets de perche are in season. It's perfect for the lakefront, outdoor dining, and the full range of day trips — Mont Blanc/Chamonix, Lausanne and the Lavaux, Annecy, and Montreux/Chillon all shine in good June weather.
Crowds and prices are high but not yet at the July-August peak, and the weather is reliably good. Long evenings are ideal for lakeside dinners and a sunset by the fountain.
Note: occasional summer thunderstorms can roll in, and warm days mean air conditioning is worth checking in older hotels.
What to Wear & What to Pack
Warm summer — around 23°C/13°C, comfortable with long daylight; warm days and mild evenings. Summer clothes, a light layer for evenings, sunglasses, SPF, and a swimsuit for the lake. A packable waterproof for the odd thunderstorm.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
15°C
6.3°C
11/mo
Summer (Jun·Jul·Aug)
Current24.7°C
14.3°C
9.7/mo
Autumn (Sep·Oct·Nov)
15°C
7.7°C
10/mo
Winter (Dec·Jan·Feb)
5°C
0.3°C
10.7/mo
Geneva Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 4° | 0° | 11d·76mm | 2h | 82% | 1 | Quiet | Shoulder | |
| 6° | 0° | 10d·64mm | 3.5h | 78% | 2 | Quiet | Shoulder | |
| 11° | 3° | 10d·65mm | 4.5h | 72% | 3 | Quiet | Shoulder | |
| 15° | 6° | 11d·68mm | 5.5h | 70% | 5 | Moderate | Shoulder | |
| May (Best) | 19° | 10° | 12d·80mm | 6.5h | 70% | 6 | Busy | Peak |
| June (Best) | 23° | 13° | 11d·75mm | 7.5h | 67% | 7 | Busy | Peak |
| July (Best) | 26° | 15° | 9d·73mm | 8h | 64% | 8 | Very busy | Peak |
| August (Best) | 25° | 15° | 9d·80mm | 7.5h | 67% | 7 | Very busy | Peak |
| September (Best) | 21° | 12° | 9d·75mm | 6h | 72% | 5 | Busy | Peak |
| 15° | 8° | 10d·86mm | 4h | 78% | 3 | Moderate | Shoulder | |
| 9° | 3° | 11d·82mm | 2.5h | 82% | 1 | Quiet | Shoulder | |
| 5° | 1° | 11d·81mm | 2h | 84% | 1 | Moderate | Peak |
View Other Months
Geneva June Hotel Picks
Frequently Asked Questions
Is June a good time to visit Geneva?
Geneva in June is very-high. Tourist crowds are busy and flight/hotel prices are peak.
What's the average temperature in Geneva in June?
Geneva June averages a high of 23°C and a low of 13°C.
Does it rain much in Geneva in June?
Geneva June averages 75mm of rainfall over about 11 rainy days.
What should I wear in Geneva in June?
Warm summer — around 23°C/13°C, comfortable with long daylight; warm days and mild evenings. Summer clothes, a light layer for evenings, sunglasses, SPF, and a swimsuit for the lake. A packable waterproof for the odd thunderstorm.
What time are sunrise and sunset in Geneva in June?
Geneva June sunrise is 05:45 and sunset is 21:30, with 15h 45min of daylight.
What's the air quality like in Geneva in June?
Geneva June air quality (AQI) averages 44, rated Good. PM2.5 averages 16μg/m³.
What activities are recommended in Geneva in June?
In June, Geneva is great for Lakefront + Jet d'Eau + swimming, Lake Geneva cruise, Mont Blanc / Chamonix day trip.
Is June peak season in Geneva?
Geneva June crowds are busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Geneva
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.